diff options
| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-11-19 16:22:09 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-11-19 16:22:09 +0000 |
| commit | 9c0385aaa91504d40e1625c7a34f681d68be4a27 (patch) | |
| tree | e903eb0b08a32bfc64e93509a261c87f4b2e67f2 | |
| parent | Moved startsis to start. (diff) | |
| download | rtems-9c0385aaa91504d40e1625c7a34f681d68be4a27.tar.bz2 | |
Renaming all BSP specific startXXX directories to use the same name (start).
17 files changed, 0 insertions, 4067 deletions
diff --git a/c/src/lib/libbsp/m68k/efi332/start332/Makefile.in b/c/src/lib/libbsp/m68k/efi332/start332/Makefile.in deleted file mode 100644 index 4698f92eed..0000000000 --- a/c/src/lib/libbsp/m68k/efi332/start332/Makefile.in +++ /dev/null @@ -1,60 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = ../../.. -subdir = m68k/efi332/start332 - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@ - -PGM = ${ARCH}/start332.o - -# C source names, if any, go here -- minus the .c -C_PIECES = start332 -C_FILES = $(C_PIECES:%=%.c) -C_O_FILES = $(C_PIECES:%=${ARCH}/%.o) - -H_FILES = - -SRCS = $(C_FILES) $(H_FILES) -OBJS = $(C_O_FILES) - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/leaf.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ - -# -# (OPTIONAL) Add local stuff here using += -# - -DEFINES += -CPPFLAGS += -CFLAGS += - -LD_PATHS += -LD_LIBS += -LDFLAGS += - -# -# Add your list of files to delete here. The config files -# already know how to delete some stuff, so you may want -# to just run 'make clean' first to see what gets missed. -# 'make clobber' already includes 'make clean' -# - -CLEAN_ADDITIONS += -CLOBBER_ADDITIONS += - -all: ${ARCH} $(SRCS) $(OBJS) $(PGM) - $(INSTALL_VARIANT) -m 755 ${PGM} $(PROJECT_RELEASE)/lib - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/libbsp/m68k/efi332/start332/start332.c b/c/src/lib/libbsp/m68k/efi332/start332/start332.c deleted file mode 100644 index 1029e66b2e..0000000000 --- a/c/src/lib/libbsp/m68k/efi332/start332/start332.c +++ /dev/null @@ -1,227 +0,0 @@ -/* - * $Id - */ - -#include <efi332.h> -#include <sim.h> -#define __START_C__ -#include "bsp.h" - -m68k_isr_entry M68Kvec[256]; -m68k_isr_entry vectors[256]; -char * const __argv[]= {"main", ""}; - -void boot_card(int argc, char * const argv[]); - -/* - * This prototype really should have the noreturn attribute but - * that causes a warning. Not sure how to fix that. - */ -/* void dumby_start () __attribute__ ((noreturn)); */ -void dumby_start (); - -void dumby_start() { - - /* We need to by-pass the link instruction since the RAM chip- - select pins are not yet configured. */ - asm volatile ( ".global start ; - start:"); - - /* disable interrupts, load stack pointer */ - asm volatile ( "oriw #0x0700, %sr; - moveal #M68Kvec, %a0; - movec %a0, %vbr; - movel #_end, %d0; - addl " STACK_SIZE ",%d0; - movel %d0,%sp; - movel %d0,%a6" - ); - - /* include in ram_init.S */ - /* - * Initalize the SIM module. - * The stack pointer is not usable until the RAM chip select lines - * are configured. The following code must remain inline. - */ - - /* Module Configuration Register */ - /* see section(s) 3.1.3-3.1.6 of the SIM Reference Manual */ - *SIMCR = (unsigned short int) - (FRZSW | FRZBM | SAM(0,8,SHEN) | (MM*SIM_MM) | SAM(SIM_IARB,0,IARB)); - - /* Synthesizer Control Register */ - /* see section(s) 4.8 */ - /* end include in ram_init.S */ - *SYNCR = (unsigned short int) - ( SAM(EFI_W,15,W) | SAM(0x0,14,X) | SAM(EFI_Y,8,Y) | STSIM ); - while (! (*SYNCR & SLOCK)); /* protect from clock overshoot */ - /* include in ram_init.S */ - *SYNCR = (unsigned short int) - ( SAM(EFI_W,15,W) | SAM(EFI_X,14,X) | SAM(EFI_Y,8,Y) | STSIM ); - - /* System Protection Control Register */ - /* !!! can only write to once after reset !!! */ - /* see section 3.8.4 of the SIM Reference Manual */ - *SYPCR = (unsigned char)( SAM(0x3,4,SWT) | HME | BME ); - - /* Periodic Interrupr Control Register */ - /* see section 3.8.2 of the SIM Reference Manual */ - *PICR = (unsigned short int) - ( SAM(0,8,PIRQL) | SAM(EFI_PIV,0,PIV) ); - /* ^^^ zero disables interrupt, don't enable here or ram_init will - be wrong. It's enabled below. */ - - /* Periodic Interrupt Timer Register */ - /* see section 3.8.3 of the SIM Reference Manual */ - *PITR = (unsigned short int)( SAM(0x09,0,PITM) ); - /* 1.098mS interrupt */ - - /* Port C Data */ - /* load values before enabled */ - *PORTC = (unsigned char) 0x0; - - /* Chip-Select Base Address Register */ - /* see section 7 of the SIM Reference Manual */ - *CSBARBT = (unsigned short int) - (((0x000000 >> 8)&0xfff8) | BS_512K ); /* 512k bytes located at 0x0000 */ - *CSBAR0 = (unsigned short int) - (((0x000000 >> 8)&0xfff8) | BS_1M ); /* 1M bytes located at 0x0000 */ - *CSBAR1 = (unsigned short int) - (((0x080000 >> 8)&0xfff8) | BS_256K ); /* 256k bytes located at 0x80000 */ - *CSBAR2 = (unsigned short int) - (((0x080000 >> 8)&0xfff8) | BS_256K ); /* 256k bytes located at 0x80000 */ - *CSBAR3 = (unsigned short int) - (((0x0C0000 >> 8)&0xfff8) | BS_256K ); /* 256k bytes located at 0xC0000 */ - *CSBAR4 = (unsigned short int) - (((0x0C0000 >> 8)&0xfff8) | BS_256K ); /* 256 bytes located at 0xC0000 */ - *CSBAR5 = (unsigned short int) - (0xfff8 | BS_64K); /* AVEC interrupts */ -#ifdef EFI332_v040b - *CSBAR6 = (unsigned short int) - (((0x000000 >> 8)&0xfff8) | BS_512K ); /* 512k bytes located at 0x0000 */ - *CSBAR8 = (unsigned short int) /* PCMCIA IOCS */ - (((0x0c0000 >> 8)&0xfff8) | BS_64K ); /* 64k bytes located at 0xc0000 */ - *CSBAR9 = (unsigned short int) /* PCMCIA MEMCS */ - (((0x0D0000 >> 8)&0xfff8) | BS_64K ); /* 64k bytes located at 0xd0000 */ -#else /* EFI332_v040b */ - *CSBAR10 = (unsigned short int) - (((0x000000 >> 8)&0xfff8) | BS_512K ); /* 512k bytes located at 0x0000 */ -#endif /* EFI332_v040b */ - - /* Chip-Select Options Registers */ - /* see section 7 of the SIM Reference Manual */ -#ifdef FLASHWRITE - *CSORBT = (unsigned short int) - ( BothBytes | ReadWrite | SyncAS | WaitStates_2 | UserSupSpace ); -#else /* FLASHWRITE */ - *CSORBT = (unsigned short int) - ( BothBytes | ReadOnly | SyncAS | WaitStates_2 | UserSupSpace ); -#endif /* FLASHWRITE */ - *CSOR0 = (unsigned short int) - ( BothBytes | ReadOnly | SyncAS | External | UserSupSpace ); - *CSOR1 = (unsigned short int) - ( LowerByte | ReadWrite | SyncAS | FastTerm | UserSupSpace ); - *CSOR2 = (unsigned short int) - ( UpperByte | ReadWrite | SyncAS | FastTerm | UserSupSpace ); - *CSOR3 = (unsigned short int) - ( LowerByte | ReadWrite | SyncAS | FastTerm | UserSupSpace ); - *CSOR4 = (unsigned short int) - ( UpperByte | ReadWrite | SyncAS | FastTerm | UserSupSpace ); - *CSOR5 = (unsigned short int) - ( BothBytes | ReadWrite | SyncAS | CPUSpace | IPLevel_any | AVEC ); -#ifdef EFI332_v040b - *CSOR6 = (unsigned short int) - ( BothBytes | ReadOnly | SyncAS | External | UserSupSpace ); - *CSOR8 = (unsigned short int) - ( BothBytes | ReadWrite | SyncAS | External | UserSupSpace ); - *CSOR9 = (unsigned short int) - ( BothBytes | ReadWrite | SyncAS | External | UserSupSpace ); -#else /* EFI332_v040b */ - *CSOR10 = (unsigned short int) - ( BothBytes | ReadOnly | SyncAS | External | UserSupSpace ); -#endif /* EFI332_v040b */ - - /* Chip Select Pin Assignment Register 0 */ - /* see section 7 of the SIM Reference Manual */ - *CSPAR0 = (unsigned short int)( - SAM(DisOut,CS_5,0x3000) | /* AVEC (internally) */ - SAM(CS16bit,CS_4,0x0c00) | /* RAM UDS, bank2 */ - SAM(CS16bit,CS_3,0x0300) | /* RAM LDS, bank2 */ - SAM(CS16bit,CS_2,0x00c0)| /* RAM UDS, bank1 */ - SAM(CS16bit,CS_1,0x0030)| /* RAM LDS, bank1 */ - SAM(CS16bit,CS_0,0x000c)| /* W/!R */ - SAM(CS16bit,CSBOOT,0x0003) /* ROM CS */ - ); - - /* Chip Select Pin Assignment Register 1 */ - /* see section 7 of the SIM Reference Manual */ -#ifdef EFI332_v040b - *CSPAR1 = (unsigned short int)( - SAM(DisOut,CS_10,0x300)| /* ECLK */ - SAM(CS16bit,CS_9,0x0c0) | /* PCMCIA MEMCS */ - SAM(CS16bit,CS_8,0x030) | /* PCMCIA IOCS */ - SAM(DisOut,CS_7,0x00c) | /* PC4 */ - SAM(CS16bit,CS_6,0x003) /* ROM !OE */ - ); -#else /* EFI332_v040b */ - *CSPAR1 = (unsigned short int)( - SAM(CS16bit,CS_10,0x300)| /* ROM !OE */ - SAM(DisOut,CS_9,0x0c0) | /* PC6 */ - SAM(DisOut,CS_8,0x030) | /* PC5 */ - SAM(DisOut,CS_7,0x00c) | /* PC4 */ - SAM(DisOut,CS_6,0x003) /* PC3 */ - ); -#endif /* EFI332_v040b */ - - /* Port E and F Data Register */ - /* see section 9 of the SIM Reference Manual */ - *PORTE0 = (unsigned char) 0; - *PORTF0 = (unsigned char) 0; - - /* Port E and F Data Direction Register */ - /* see section 9 of the SIM Reference Manual */ - *DDRE = (unsigned char) 0xff; - *DDRF = (unsigned char) 0xfd; - - /* Port E and F Pin Assignment Register */ - /* see section 9 of the SIM Reference Manual */ - *PEPAR = (unsigned char) 0; - *PFPAR = (unsigned char) 0; - - /* end of SIM initalization code */ - /* end include in ram_init.S */ - - - - /* - * Initialize RAM by copying the .data section out of ROM (if - * needed) and "zero-ing" the .bss section. - */ - { - register char *src = _endtext; - register char *dst = _sdata; - - if (_copy_data_from_rom) - /* ROM has data at end of text; copy it. */ - while (dst < _edata) - *dst++ = *src++; - - /* Zero bss */ - for (dst = __bss_start; dst< _end; dst++) - *dst = 0; - } - - /* - * Initalize the board. - */ - Spurious_Initialize(); - console_init(); - - /* - * Execute main with arguments argc and agrv. - */ - boot_card(1,__argv); - reboot(); - -} - diff --git a/c/src/lib/libbsp/m68k/efi68k/start68k/Makefile.in b/c/src/lib/libbsp/m68k/efi68k/start68k/Makefile.in deleted file mode 100644 index 1233fa9b9a..0000000000 --- a/c/src/lib/libbsp/m68k/efi68k/start68k/Makefile.in +++ /dev/null @@ -1,60 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = ../../.. -subdir = m68k/efi68k/start68k - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@ - -PGM = ${ARCH}/start68k.o - -# C source names, if any, go here -- minus the .c -C_PIECES = start68k -C_FILES = $(C_PIECES:%=%.c) -C_O_FILES = $(C_PIECES:%=${ARCH}/%.o) - -H_FILES = - -SRCS = $(C_FILES) $(H_FILES) -OBJS = $(C_O_FILES) - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/leaf.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ - -# -# (OPTIONAL) Add local stuff here using += -# - -DEFINES += -CPPFLAGS += -CFLAGS += - -LD_PATHS += -LD_LIBS += -LDFLAGS += - -# -# Add your list of files to delete here. The config files -# already know how to delete some stuff, so you may want -# to just run 'make clean' first to see what gets missed. -# 'make clobber' already includes 'make clean' -# - -CLEAN_ADDITIONS += -CLOBBER_ADDITIONS += - -all: ${ARCH} $(SRCS) $(OBJS) $(PGM) - $(INSTALL_VARIANT) -m 755 ${PGM} $(PROJECT_RELEASE)/lib - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/libbsp/m68k/efi68k/start68k/start68k.c b/c/src/lib/libbsp/m68k/efi68k/start68k/start68k.c deleted file mode 100644 index f63381c57f..0000000000 --- a/c/src/lib/libbsp/m68k/efi68k/start68k/start68k.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * $Id$ - */ - -#include <efi68k.h> -#define __START_C__ -#include "bsp.h" - -m68k_isr_entry M68Kvec[256]; -m68k_isr_entry vectors[256]; -char * const __argv[]= {"main", ""}; -char * const __env[]= {""}; - -/* - * This prototype really should have the noreturn attribute but - * that causes a warning since it appears that the routine does - * return. - * - * void dumby_start () __attribute__ ((noreturn)); - */ - -void dumby_start (); -void dumby_start() { -void boot_card(); - - /* We need to by-pass the link instruction since the RAM chip- - select pins are not yet configured. */ - asm volatile ( ".global start ; - start:"); - - /* disable interrupts, load stack pointer */ - asm volatile ( "oriw #0x0700, %sr; - movel #_end, %d0; - addl " STACK_SIZE ",%d0; - movel %d0,%sp; - link %a6, #0" - ); - /* - * Initialize RAM by copying the .data section out of ROM (if - * needed) and "zero-ing" the .bss section. - */ - { - register char *src = _endtext; - register char *dst = _sdata; - - if (_copy_data_from_rom) - /* ROM has data at end of text; copy it. */ - while (dst < _edata) - *dst++ = *src++; - - /* Zero bss */ - for (dst = __bss_start; dst< _end; dst++) - *dst = 0; - } - - /* - * Initalize the board. - */ - Spurious_Initialize(); - console_init(); - watch_dog_init(); - tcp_init(); - - /* - * Execute main with arguments argv and environment env - */ - /* main(1, __argv, __env); */ - boot_card(); - - reboot(); -} diff --git a/c/src/lib/libbsp/m68k/gen68302/start302/Makefile.in b/c/src/lib/libbsp/m68k/gen68302/start302/Makefile.in deleted file mode 100644 index f9ef3dde4f..0000000000 --- a/c/src/lib/libbsp/m68k/gen68302/start302/Makefile.in +++ /dev/null @@ -1,68 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = ../../.. -subdir = m68k/gen68302/start302 - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@ - -PGMS = ${ARCH}/start302.o - -# C source names, if any, go here -- minus the .c -C_PIECES = -C_FILES = $(C_PIECES:%=%.c) -C_O_FILES = $(C_PIECES:%=${ARCH}/%.o) - -H_FILES = - -# Assembly source names, if any, go here -- minus the .S -S_PIECES = start302 -S_FILES = $(S_PIECES:%=%.S) -S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o) - -SRCS = $(C_FILES) $(H_FILES) $(S_FILES) -OBJS = $(C_O_FILES) $(S_O_FILES) - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/leaf.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ - -# -# (OPTIONAL) Add local stuff here using += -# - -DEFINES += -CPPFLAGS += -CFLAGS += - -LD_PATHS += -LD_LIBS += -LDFLAGS += - -# -# Add your list of files to delete here. The config files -# already know how to delete some stuff, so you may want -# to just run 'make clean' first to see what gets missed. -# 'make clobber' already includes 'make clean' -# - -CLEAN_ADDITIONS += -CLOBBER_ADDITIONS += - -all: ${ARCH} $(SRCS) $(OBJS) $(PGM) - $(INSTALL_VARIANT) -m 755 ${PGMS} $(PROJECT_RELEASE)/lib - -# Install the program(s), appending _g or _p as appropriate. -# for include files, just use $(INSTALL_CHANGE) - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/libbsp/m68k/gen68302/start302/start302.S b/c/src/lib/libbsp/m68k/gen68302/start302/start302.S deleted file mode 100644 index 5e46b06edf..0000000000 --- a/c/src/lib/libbsp/m68k/gen68302/start302/start302.S +++ /dev/null @@ -1,266 +0,0 @@ -/* entry.s - * - * This file contains the entry point for the application. - * The name of this entry point is compiler dependent. - * It jumps to the BSP which is responsible for performing - * all initialization. - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include "asm.h" - - .set BAR, 0xF2 | Base Address Register location - .set SCR, 0xF4 | System Control Register location - .set BAR_VAL, 0x0f7f | BAR value - .set SCR_VAL, 0x00080f00 | SCR value - .set GIMR_VAL, 0x8780 |Global Interrupt Mode Register. (MUST BE WRITTEN). - .set BaseAddr,(BAR_VAL&0x0fff)<<12 | MC68302 internal base address - - .set oSYSRAM, 0x000 | 576 bytes of internal system RAM - - .set oGIMR, 0x812 - - .set oCS0_Base, 0x830 | 16 bits, Chip Sel 0 Base Reg - .set oCS0_Option, 0x832 | 16 bits, Chip Sel 0 Option Reg - .set oCS1_Base, 0x834 | 16 bits, Chip Sel 1 Base Reg - .set oCS1_Option, 0x836 | 16 bits, Chip Sel 1 Option Reg - .set oCS2_Base, 0x838 | 16 bits, Chip Sel 2 Base Reg - .set oCS2_Option, 0x83a | 16 bits, Chip Sel 2 Option Reg - .set oCS3_Base, 0x83c | 16 bits, Chip Sel 3 Base Reg - .set oCS3_Option, 0x83e | 16 bits, Chip Sel 3 Option Reg - - .set tmpSRAM_BASE, 0x400000 | start of temporary SRAM - .set FLASH_BASE, 0xc00000 | start of FLASH''s normal location - - -BEGIN_CODE - PUBLIC (M68Kvec) | Vector Table -SYM (M68Kvec): | standard location for vectors -V___ISSP: .long 0x00001000 |00 0 Reset: Initial SSP -V____IPC: .long SYM(start)-V___ISSP |04 1 Reset: Initial PC -V_BUSERR: .long Bad-V___ISSP |08 2 Bus Error -V_ADRERR: .long Bad-V___ISSP |0c 3 Address Error - .space 240 | reserve space for reset of vectors - -#if ( M68K_HAS_SEPARATE_STACKS == 1 ) -SYM (lowintstack): - .space 4092 | reserve for interrupt stack -SYM (hiintstack): - .space 4 | end of interrupt stack -#endif - - PUBLIC (start) | Default entry point for GNU -SYM (start): - move.w #0x2700,sr | Disable all interrupts - move.w #BAR_VAL,BAR | Set Base Address Register - move.l #SCR_VAL,SCR | Set System Control Register - lea BaseAddr,a5 - move.w #GIMR_VAL,a5@(oGIMR) | Set Global Interrupt Mode Register - -| -| Set up chip select registers for the remapping process. -| - -| -| 0 X x x x x -| 0 000 0 0-- - --- ---- ---- ---- -| x xxx x xxx x xx -| - move.w #0xc001,a5@(oCS0_Base) | Expand CS0 to full size (FLASH) - move.w #0x1f82,a5@(oCS0_Option) | 000000-03ffff, R, 0 WS - -| -| X x x x x x -| 0 100 0 0-- - --- ---- ---- ---- -| x xxx x xxx x xx -| - move.w #0xa801,a5@(oCS1_Base) | Set up and enable CS1 (SRAM) - move.w #0x1f80,a5@(oCS1_Option) | 400000-43ffff, RW, 0 WS - -| -| Copy the initial boot FLASH area to the temporary SRAM location. -| - moveq #0,d0 - movea.l d0,a0 | a0 -> start of FLASH - lea tmpSRAM_BASE,a1 | a1 -> start of tmp SRAM -| moveq #(endPreBoot-V___ISSP)/4,d0 | # longs to copy - moveq #127,d0 -cpy_flash: move.l (a0)+,(a1)+ | copy - subq.l #1,d0 - bne cpy_flash - -| -| Copy remap code to 68302''s internal system RAM. -| - movea.w #begRemap-V___ISSP,a0 | a0 -> remap code - lea a5@(oSYSRAM),a1 | a1 -> internal system RAM -| moveq #(endRemap-begRemap)/2-1,d0 | d0 = # words to copy - moveq #11,d0 -cpy_remap: move.w (a0)+,(a1)+ | copy - dbra d0,cpy_remap - -| -| Jump to the remap code in the 68302''s internal system RAM. -| - jmp a5@(oSYSRAM) | (effectively a jmp begRemap) - -| -| This remap code, when executed from the 68302''s internal system RAM -| will 1) remap CS1 so that SRAM is at 0 -| 2) remap CS0 so that FLASH is at FLASH_BASE -| and 3) jump to executable code in the remapped FLASH. -| -begRemap: move.w #0xa001,a5@(oCS1_Base) | Move CS1 (SRAM) - move.w #0xd801,a5@(oCS0_Base) | Move CS0 (FLASH) - lea FLASH_BASE,a0 - jmp a0@(endRemap-V___ISSP.w) | Jump back to FLASH -endRemap: -| -| Now set up the remaining chip select registers. -| - -| -| 4 0 x x x x -| 1 000 1 111 0 000 0--- ---- ---- -| x xxx x xxx x xx -| - move.w #0xb1e1,a5@(oCS2_Base) | Set up and enable CS2 (dpRAM) - move.w #0x1ff0,a5@(oCS2_Option) | 8f0000-8f07ff, RW, 0 WS - -| -| 8 X x x x x -| 1 000 0 0-- - --- ---- ---- ---- -| x xxx x xxx x xx -| - move.w #0xd001,a5@(oCS3_Base) | Set up and enable CS3 (IO) - move.w #0x1f80,a5@(oCS3_Option) | 800000-83ffff, RW, 0 WS - -endPreBoot: - - move.b #0x30,0x800001 | set status LED amber - - .set oPIOB_Ctrl, 0x824 - .set oPIOB_DDR, 0x826 - .set oPIOB_Data, 0x828 - - .set oPIOA_Ctrl, 0x81e - .set oPIOA_DDR, 0x820 - .set oPIOA_Data, 0x822 - - move.w #0x0ff8,a5@(oPIOB_Data) | Make output follow resistors. - move.w #0x00ff,a5@(oPIOB_DDR) | Set up PB7-PB0 for output. - move.w #0x0080,a5@(oPIOB_Ctrl) | Set up WDOG* as dedicated - | peripheral pins. - - move.w #0x1fff,a5@(oPIOA_Data) | Make output follow resistors. - move.w #0xea2a,a5@(oPIOA_DDR) | Set up PA15-PA0 for in/output. - move.w #0x0003,a5@(oPIOA_Ctrl) | Set up TXD2/RXD2 as dedicated - | peripheral pins. - -| -| Place "Bad" in all vectors from 010 thru 0ec. Vectors 0f0 and 0f4 -| are not set because they are the 68302''s BAR and SCR. -| - movea.w #0x010,a0 - moveq #(0x0f0-0x010)/4-1,d0 - move.l #Bad,d1 -cpy_Bad: move.l d1,(a0)+ - dbra d0,cpy_Bad - - .set vbase, 0x0200 - - lea vbase,a0 - moveq #31,d0 -cpy_Bad1: move.l d1,(a0)+ - dbra d0,cpy_Bad1 - -| -| Fill in special locations to configure OS -| - move.l #Bad,0x008 | Bus Error - move.l #Bad,0x00c | Address Error - move.l #Bad,0x024 | Trace -| move.l #KE_IRET,$0b4 | pSOS+ RET_I Call - -| move.l #_cnsl_isr,vbase+0x028 | SCC2 - move.l #timerisr,vbase+0x018 | Timer ISR - - | - | zero out uninitialized data area - | -zerobss: - moveal # SYM (end),a0 | find end of .bss - moveal # SYM (bss_start),a1 | find beginning of .bss - moveq #0,d0 - -loop: movel d0,a1@+ | to zero out uninitialized - cmpal a0,a1 - jlt loop | loop until _end reached - - movel # SYM (end),d0 | d0 = end of bss/start of heap - addl # SYM (heap_size),d0 | d0 = end of heap - movel d0, SYM (stack_start) | Save for brk() routine - addl # SYM (stack_size),d0 | make room for stack - andl #0xffffffc0,d0 | align it on 16 byte boundary - movw #0x3700,sr | SUPV MODE,INTERRUPTS OFF!!! - movel d0,a7 | set master stack pointer - movel d0,a6 | set base pointer - - /* - * RTEMS should maintain a separate interrupt stack on CPUs - * without one in hardware. This is currently not supported - * on versions of the m68k without a HW intr stack. - */ - -#if ( M68K_HAS_SEPARATE_STACKS == 1 ) - lea SYM (hiintstack),a0 | a0 = high end of intr stack - movec a0,isp | set interrupt stack -#endif - - move.l #0,a7@- | environp - move.l #0,a7@- | argv - move.l #0,a7@- | argc - jsr SYM (boot_card) - - nop -Bad: bra Bad - - nop -END_CODE - - -BEGIN_DATA - - PUBLIC (start_frame) -SYM (start_frame): - .space 4,0 - - PUBLIC (stack_start) -SYM (stack_start): - .space 4,0 -END_DATA - -BEGIN_BSS - - PUBLIC (environ) - .align 2 -SYM (environ): - .long 0 - - PUBLIC (heap_size) - .set SYM (heap_size),0x2000 - - PUBLIC (stack_size) - .set SYM (stack_size),0x1000 - - -END_DATA -END diff --git a/c/src/lib/libbsp/m68k/gen68340/start340/Makefile.in b/c/src/lib/libbsp/m68k/gen68340/start340/Makefile.in deleted file mode 100644 index ff469ffb55..0000000000 --- a/c/src/lib/libbsp/m68k/gen68340/start340/Makefile.in +++ /dev/null @@ -1,68 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = ../../.. -subdir = m68k/gen68340/start340 - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@ - -PGMS = ${ARCH}/start340.o - -# C source names, if any, go here -- minus the .c -C_PIECES = -C_FILES = $(C_PIECES:%=%.c) -C_O_FILES = $(C_PIECES:%=${ARCH}/%.o) - -H_FILES = - -# Assembly source names, if any, go here -- minus the .S -S_PIECES = start340 -S_FILES = $(S_PIECES:%=%.S) -S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o) - -SRCS = $(C_FILES) $(H_FILES) $(S_FILES) -OBJS = $(C_O_FILES) $(S_O_FILES) - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/leaf.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ - -# -# (OPTIONAL) Add local stuff here using += -# - -DEFINES += -CPPFLAGS += -CFLAGS += - -LD_PATHS += -LD_LIBS += -LDFLAGS += - -# -# Add your list of files to delete here. The config files -# already know how to delete some stuff, so you may want -# to just run 'make clean' first to see what gets missed. -# 'make clobber' already includes 'make clean' -# - -CLEAN_ADDITIONS += -CLOBBER_ADDITIONS += - -all: ${ARCH} $(SRCS) $(OBJS) $(PGM) - $(INSTALL_VARIANT) -m 755 ${PGMS} $(PROJECT_RELEASE)/lib - -# Install the program(s), appending _g or _p as appropriate. -# for include files, just use $(INSTALL_CHANGE) - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/libbsp/m68k/gen68340/start340/start340.S b/c/src/lib/libbsp/m68k/gen68340/start340/start340.S deleted file mode 100644 index 43b4186eaf..0000000000 --- a/c/src/lib/libbsp/m68k/gen68340/start340/start340.S +++ /dev/null @@ -1,873 +0,0 @@ -/* - * This file contains the entry point for the application. - * The name of this entry point is compiler dependent. - * It jumps to the BSP which is responsible for performing - * all initialization. - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * Based on the `gen68360' board support package, and covered by the - * original distribution terms. - * - * Geoffroy Montel - * France Telecom - CNET/DSM/TAM/CAT - * 4, rue du Clos Courtel - * 35512 CESSON-SEVIGNE - * FRANCE - * - * e-mail: g_montel@yahoo.com - * - * $Id$ - */ - -#include "asm.h" -#include <m68349.inc> - -#define _OLD_ASTECC 1 /* old addresses for AST68340 only, undefine for AST68349 */ - -BEGIN_CODE - /* - * Step 1: Decide on Reset Stack Pointer and Initial Program Counter - */ -Entry: - .long SYM(m340)+1024 | 0: Initial SSP - .long start | 1: Initial PC - .long SYM(_uhoh) | 2: Bus error - .long SYM(_uhoh) | 3: Address error - .long SYM(_uhoh) | 4: Illegal instruction - .long SYM(_uhoh) | 5: Zero division - .long SYM(_uhoh) | 6: CHK, CHK2 instruction - .long SYM(_uhoh) | 7: TRAPcc, TRAPV instructions - .long SYM(_uhoh) | 8: Privilege violation - .long SYM(_uhoh) | 9: Trace - .long SYM(_uhoh) | 10: Line 1010 emulator - .long SYM(_uhoh) | 11: Line 1111 emulator - .long SYM(_uhoh) | 12: Hardware breakpoint - .long SYM(_uhoh) | 13: Reserved for coprocessor violation - .long SYM(_uhoh) | 14: Format error - .long SYM(_uhoh) | 15: Uninitialized interrupt - .long SYM(_uhoh) | 16: Unassigned, reserved - .long SYM(_uhoh) | 17: - .long SYM(_uhoh) | 18: - .long SYM(_uhoh) | 19: - .long SYM(_uhoh) | 20: - .long SYM(_uhoh) | 21: - .long SYM(_uhoh) | 22: - .long SYM(_uhoh) | 23: - .long SYM(_spuriousInterrupt) | 24: Spurious interrupt - .long SYM(_uhoh) | 25: Level 1 interrupt autovector - .long SYM(_uhoh) | 26: Level 2 interrupt autovector - .long SYM(_uhoh) | 27: Level 3 interrupt autovector - .long SYM(_uhoh) | 28: Level 4 interrupt autovector - .long SYM(_uhoh) | 29: Level 5 interrupt autovector - .long SYM(_uhoh) | 30: Level 6 interrupt autovector - .long SYM(_uhoh) | 31: Level 7 interrupt autovector - .long SYM(_uhoh) | 32: Trap instruction (0-15) - .long SYM(_uhoh) | 33: - .long SYM(_uhoh) | 34: - .long SYM(_uhoh) | 35: - .long SYM(_uhoh) | 36: - .long SYM(_uhoh) | 37: - .long SYM(_uhoh) | 38: - .long SYM(_uhoh) | 39: - .long SYM(_uhoh) | 40: - .long SYM(_uhoh) | 41: - .long SYM(_uhoh) | 42: - .long SYM(_uhoh) | 43: - .long SYM(_uhoh) | 44: - .long SYM(_uhoh) | 45: - .long SYM(_uhoh) | 46: - .long SYM(_uhoh) | 47: - .long SYM(_uhoh) | 48: Reserved for coprocessor - .long SYM(_uhoh) | 49: - .long SYM(_uhoh) | 50: - .long SYM(_uhoh) | 51: - .long SYM(_uhoh) | 52: - .long SYM(_uhoh) | 53: - .long SYM(_uhoh) | 54: - .long SYM(_uhoh) | 55: - .long SYM(_uhoh) | 56: - .long SYM(_uhoh) | 57: - .long SYM(_uhoh) | 58: - .long SYM(_uhoh) | 59: Unassigned, reserved - .long SYM(_uhoh) | 60: - .long SYM(_uhoh) | 61: - .long SYM(_uhoh) | 62: - .long SYM(_uhoh) | 63: - .long SYM(_uhoh) | 64: User defined vectors (192) - .long SYM(_uhoh) | 65: - .long SYM(_uhoh) | 66: - .long SYM(_uhoh) | 67: - .long SYM(_uhoh) | 68: - .long SYM(_uhoh) | 69: - .long SYM(_uhoh) | 70: - .long SYM(_uhoh) | 71: - .long SYM(_uhoh) | 72: - .long SYM(_uhoh) | 73: - .long SYM(_uhoh) | 74: - .long SYM(_uhoh) | 75: - .long SYM(_uhoh) | 76: - .long SYM(_uhoh) | 77: - .long SYM(_uhoh) | 78: - .long SYM(_uhoh) | 79: - .long SYM(_uhoh) | 80: - .long SYM(_uhoh) | 81: - .long SYM(_uhoh) | 82: - .long SYM(_uhoh) | 83: - .long SYM(_uhoh) | 84: - .long SYM(_uhoh) | 85: - .long SYM(_uhoh) | 86: - .long SYM(_uhoh) | 87: - .long SYM(_uhoh) | 88: - .long SYM(_uhoh) | 89: - .long SYM(_uhoh) | 90: - .long SYM(_uhoh) | 91: - .long SYM(_uhoh) | 92: - .long SYM(_uhoh) | 93: - .long SYM(_uhoh) | 94: - .long SYM(_uhoh) | 95: - .long SYM(_uhoh) | 96: - .long SYM(_uhoh) | 97: - .long SYM(_uhoh) | 98: - .long SYM(_uhoh) | 99: - .long SYM(_uhoh) | 100: - .long SYM(_uhoh) | 101: - .long SYM(_uhoh) | 102: - .long SYM(_uhoh) | 103: - .long SYM(_uhoh) | 104: - .long SYM(_uhoh) | 105: - 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.long SYM(_uhoh) | 184: - .long SYM(_uhoh) | 185: - .long SYM(_uhoh) | 186: - .long SYM(_uhoh) | 187: - .long SYM(_uhoh) | 188: - .long SYM(_uhoh) | 189: - .long SYM(_uhoh) | 190: - .long SYM(_uhoh) | 191: - .long SYM(_uhoh) | 192: - .long SYM(_uhoh) | 193: - .long SYM(_uhoh) | 194: - .long SYM(_uhoh) | 195: - .long SYM(_uhoh) | 196: - .long SYM(_uhoh) | 197: - .long SYM(_uhoh) | 198: - .long SYM(_uhoh) | 199: - .long SYM(_uhoh) | 200: - .long SYM(_uhoh) | 201: - .long SYM(_uhoh) | 202: - .long SYM(_uhoh) | 203: - .long SYM(_uhoh) | 204: - .long SYM(_uhoh) | 205: - .long SYM(_uhoh) | 206: - .long SYM(_uhoh) | 207: - .long SYM(_uhoh) | 208: - .long SYM(_uhoh) | 209: - .long SYM(_uhoh) | 210: - .long SYM(_uhoh) | 211: - .long SYM(_uhoh) | 212: - .long SYM(_uhoh) | 213: - .long SYM(_uhoh) | 214: - .long SYM(_uhoh) | 215: - .long SYM(_uhoh) | 216: - .long SYM(_uhoh) | 217: - .long SYM(_uhoh) | 218: - .long SYM(_uhoh) | 219: - .long SYM(_uhoh) | 220: - .long SYM(_uhoh) | 221: - .long SYM(_uhoh) | 222: - .long SYM(_uhoh) | 223: - .long SYM(_uhoh) | 224: - .long SYM(_uhoh) | 225: - .long SYM(_uhoh) | 226: - .long SYM(_uhoh) | 227: - .long SYM(_uhoh) | 228: - .long SYM(_uhoh) | 229: - .long SYM(_uhoh) | 230: - .long SYM(_uhoh) | 231: - .long SYM(_uhoh) | 232: - .long SYM(_uhoh) | 233: - .long SYM(_uhoh) | 234: - .long SYM(_uhoh) | 235: - .long SYM(_uhoh) | 236: - .long SYM(_uhoh) | 237: - .long SYM(_uhoh) | 238: - .long SYM(_uhoh) | 239: - .long SYM(_uhoh) | 240: - .long SYM(_uhoh) | 241: - .long SYM(_uhoh) | 242: - .long SYM(_uhoh) | 243: - .long SYM(_uhoh) | 244: - .long SYM(_uhoh) | 245: - .long SYM(_uhoh) | 246: - .long SYM(_uhoh) | 247: - .long SYM(_uhoh) | 248: - .long SYM(_uhoh) | 249: - .long SYM(_uhoh) | 250: - .long SYM(_uhoh) | 251: - .long SYM(_uhoh) | 252: - .long SYM(_uhoh) | 253: - .long SYM(_uhoh) | 254: - .long SYM(_uhoh) | 255: - -/* - * Default trap handler - * With an oscilloscope you can see AS* stop - */ - PUBLIC (_uhoh) -SYM(_uhoh): nop | Leave spot for breakpoint -/* stop #0x2700 | Stop with interrupts disabled */ - move.w #0x2700,sr - move.w (a7),_boot_panic_registers+4 | SR - move.l 2(a7),_boot_panic_registers | PC - move.w 6(a7),_boot_panic_registers+6 | format & vector - movem.l d0-d7/a0-a7, _boot_panic_registers+8 - movec sfc, d0 - movem.l d0, _boot_panic_registers+72 - movec dfc, d0 - movem.l d0, _boot_panic_registers+76 - movec vbr, d0 - movem.l d0, _boot_panic_registers+80 - jmp SYM(_dbug_dumpanic) - bra.s _crt0_cold_start - -/* - * Log, but otherwise ignore, spurious interrupts - */ - PUBLIC (_spuriousInterrupt) -SYM(_spuriousInterrupt): - addql #1,SYM(_M68kSpuriousInterruptCount) - rte - -/* - * Place the low-order 3 octets of the board's ethernet address at - * a `well-known' fixed location relative to the startup location. - */ - .align 2 - .word 0 | Padding -ethernet_address_buffer: - .word 0x08F3 | Default address - .word 0xDEAD - .word 0xCAFE - -BEGIN_DATA - -/* equates */ - -.equ _CPU340, 0x0 -.equ _CPU349, 0x31 - -#ifdef _OLD_ASTECC /* old addresses for AST68340 only */ -.equ _EPLD_CS_BASE, 0x1 -.equ _PROM_Start, 0x01000000 /* CS0 */ -.equ _FLEX_Start, 0x08000000 /* CS2 */ -.equ _I2C_Start, 0x0c000000 /* CS3 */ - -.equ _BCCram_Start, 0x00000000 /* CS1 64 Kbytes */ -.equ _BCCram_Size, 0x00010000 /* CS1 64 Kbytes */ - -.equ _ExtRam_Start, 0x10000000 /* SRAM */ -.equ _ExtRam_Size, 0x00400000 /* 4 Mbytes */ - -.equ _FastRam_Start, 0x00000000 /* overlap /CS1 for the first 4 Kbytes */ -.equ _FastRam_Size, 0x00001000 /* 4 Kbytes */ - -#else /* new addresses for AST68349 and 68340 */ - -.equ _EPLD_CS_BASE, 0x5 -.equ _PROM_Start, 0x50000000 /* CS0 */ -.equ _FLEX_Start, 0x08000000 /* CS2 */ -.equ _I2C_Start, 0x0c000000 /* CS3 */ - -.equ _BCCram_Start, 0x00000000 /* CS1 64 Kbytes */ -.equ _BCCram_Size, 0x00010000 /* CS1 64 Kbytes */ - -.equ _ExtRam_Start, 0x80000000 /* DRAM */ -.equ _ExtRam_Size, 0x00400000 /* 4 Mbytes */ - -.equ _FastRam_Start, 0x00000000 /* overlap /CS1 for the first 4 Kbytes */ -.equ _FastRam_Size, 0x00001000 /* 4 Kbytes */ -#endif - -.equ _SPEED349, 0xD680 /* 24 Mhz */ -.equ _SPEED340, 0xD700 /* 25 Mhz */ -/* .equ _SPEED340, 0xCE00 16 Mhz */ - -#define crt0_boot_type d0 /* cold/warm start (must be D0) */ -#define crt0_temp d1 -#define crt0_cpu_type d2 -#define crt0_csswitch d3 -#define crt0_buswidth d4 -#define crt0_pdcs d5 -#define crt0_spare6 d6 -#define crt0_spare7 d7 -#define crt0_sim_base a0 -#define crt0_glue a1 -#define crt0_dram a2 -#define crt0_ptr3 a3 -#define crt0_ptr4 a4 -#define crt0_ptr5 a5 -#define crt0_ptr6 a6 - -/* -- PDCS buffer equates -- */ -.equ pdcs_mask, 0x1F /* DRAM configuration */ -.equ pdcs_sw12, 7 /* switch 12 */ -.equ pdcs_sw11, 6 /* switch 11 */ -.equ pdcs_sw14, 5 /* switch 14 */ - -.equ bit_cache, pdcs_sw12 /* enable cache if on */ -.equ bit_meminit, pdcs_sw11 /* init memory if on */ - -/* -- Initialization stack and vars -- */ - -_AsteccBusWidth: ds.b 1 -_AsteccCsSwitch: ds.b 1 -_AsteccCpuName: ds.l 1 - -.align 4 - -_crt0_init_stack: - ds.l 500 -_crt0_init_stktop: - -/* -- Initialization code -- */ -BEGIN_CODE - -.align 4 - dc.l _crt0_init_stktop /* reset SP */ - dc.l _crt0_cold_start /* reset PC */ - dc.l _crt0_warm_start - - .ascii "BOOT XHM68K/Spectra for ASTECC 68349 and 68340 boards" - dc.w 0 -.align 4 - -.globl start -start: - -_crt0_cold_start: - moveq.l #0,crt0_boot_type | signal cold reset - bra.s _crt0_common_start - -_crt0_warm_start: - moveq.l #1,crt0_boot_type | signal warm reset - -_crt0_common_start: - move.w #0x2700,sr | disable interrupts and switch to interrupt mode - movea.l #_crt0_init_stktop,sp | set up initialization stack - - move.l #Entry,crt0_temp | VBR initialization - movec.l crt0_temp,vbr | - moveq.l #0x07,crt0_temp - movec.l crt0_temp,dfc | prepare access in CPU space - move.l #(BASE_SIM+0x111),crt0_temp | mask CPU, RESERVED USER SPACES - moves.l crt0_temp,BASE_REG | base initialization (must be MOVES, PCC-130795) - - movea.l #BASE_SIM,crt0_sim_base - - /* -- disable Bus Monitor -- */ - move.b #0,SIM_SYPCR(crt0_sim_base) | system protection control register - - /* -- enable A31-A24 -- */ - clr.b SIM_PPRA1(crt0_sim_base) - - /* -- show cycles, user acces to SIM, 4 /CS & 4 /IT -- */ - move.w #0x427F,SIM_MCR(crt0_sim_base) - - /* -- enable /IRQ3, 5, 6, 7 -- */ - move.b #0xE8,SIM_PPRB(crt0_sim_base) - - /* -- enable autovector on /IRQ7 -- */ - move.b #0x80,SIM_AVR(crt0_sim_base) - - /* -- test CPU type -- */ - cmp.b #_CPU349,SIM_IDR(crt0_sim_base) - bne cpu_is_68340 - -/*-------------------------------------------------------------------------------------------*/ -cpu_is_68349: - - /* -- set cpu clock -- */ - move.w #_SPEED349,SIM_SYNCR(crt0_sim_base) | clock - -sync_wait349: - btst.b #3,(SIM_SYNCR+1)(crt0_sim_base) - beq sync_wait349 - - /* to allow access to the EPLD internal registers, it is necessary - to disable the global chip-select /CS0 (which decodes every external - cycles). To do that, we initialize the 68349 internal RAM, - copy a part of the initialization code in it, and jump there. - from that moment, /CS0 is not used, therefore it can be initialized - with its default value. Its width may be incorrect, but it will be - adjusted later. The goal is to avoid any conflict with - the accesses to the EPLD registers. - When this is done, we read the RESET parameters (boot prom width - and chip-select switch) and proceed with the initialization - when all is done, we jump back to the boot prom now - decoded with a properly configured /CS0 */ - - /*-------------------------------------*/ - /* -- configure internal SRAM banks -- */ - - move.l #0x00000000,QDMM_MCR(crt0_sim_base) - move.l #_FastRam_Start+0x0005,QDMM_QBAR0(crt0_sim_base) - move.l #_FastRam_Start+0x0405,QDMM_QBAR1(crt0_sim_base) - move.l #_FastRam_Start+0x0805,QDMM_QBAR2(crt0_sim_base) - move.l #_FastRam_Start+0x0c05,QDMM_QBAR3(crt0_sim_base) - - /*--------------------------------------------------------*/ - /* -- copy to address of the 68349 initialization code -- */ - - lea.l _copy_start(%pc),crt0_ptr3 - lea.l _copy_end(%pc),crt0_ptr4 - move.l crt0_ptr4,crt0_temp - sub.l crt0_ptr3,crt0_temp - add.l #3,crt0_temp | adjust to next long word - lsr.l #2,crt0_temp - - move.l #_FastRam_Start,crt0_ptr4 -_copy_loop: - move.l (crt0_ptr3)+,(crt0_ptr4)+ - subq.l #1,crt0_temp - bne.s _copy_loop - bra.l _FastRam_Start | jump to code in internal RAM - - /*------------------------------------*/ - /* -- start of initialization code -- */ - -_copy_start: - bra.l _begin_68349_init - - /*----------------------------------------------------------*/ - /* Astecc 68349 board : chip-select initialization values */ - -_table_csepld: - dc.b (_EPLD_CS_BASE&0x0F)+0x80 | 16 bits, 0ws - dc.b 0x80 | 16 bits, 0 ws - dc.b 0x90 | 16 bits, ext /dsack - dc.b 0x90 | 16 bits, ext /dsack - -_table_cs349: - dc.l 0x003FFFF4 | Mask CS0 (4Mbytes PROM, 32bits, 1WS) - dc.l (_PROM_Start&0xFFFFFF00)+0x00000003 | Base CS0 - dc.l 0x003FFFF1 | MASK CS1 (4Mbytes RAM, 16bits, 0WS) - dc.l (_BCCram_Start&0xFFFFFF00)+0x00000003 | Base CS1 - dc.l 0x000000FF | MASK CS2 (FLEX, ext DTACK, 256 bytes) - dc.l (_FLEX_Start&0xFFFFFF00)+0x00000003 | Base CS2 - dc.l 0x000000FF | Mask CS3 (I2C, ext DTACK, 256 bytes) - dc.l (_I2C_Start&0xFFFFFF00)+0x00000003 | Base CS3 - - /*-------------------------------------------------*/ -_begin_68349_init: - - /*-------------------------------------------------*/ - /* 68349 chip select initialization - - at this stage, the width of /CS0 may be incorrect - it will be corrected later - */ - -_cs68349_init: - lea.l SIM_MASKH0(crt0_sim_base),crt0_ptr4 - lea.l _table_cs349(%pc),crt0_ptr3 - - moveq.l #0x07,crt0_temp -_cs349_init2: - move.l (crt0_ptr3)+,(crt0_ptr4)+ - dbra crt0_temp,_cs349_init2 - - /*-----------------------------------------------*/ - /* -- prepare access to the internal registers --*/ - moveq.l #EPLD_SPACE,crt0_temp - movec.l crt0_temp,dfc - movec.l crt0_temp,sfc - move.l #GLUE_EPLD,crt0_glue - move.l #DRAM_EPLD,crt0_dram - - /*-------------------------------------------*/ - /* EPLD generated /CS[3..0] must be disabled */ - -_csepld_clear: - move.l crt0_glue,crt0_ptr4 - move.w #3,crt0_spare6 - clr.b crt0_temp - -_csepld_clear1: - moves.b crt0_temp,(crt0_ptr4)+ - dbra crt0_spare6,_csepld_clear1 - - /*---------------------------------------------------------*/ - /* -- get width of boot PROM, and active chip-select set --*/ - moves.b REG_BUSWIDTH(crt0_dram),crt0_csswitch - move.b crt0_csswitch,crt0_buswidth - - /* state of CS_SWITCH : sel == 0 => CPU chip_selects (/CS[3..0]) - : sel == 1 => EPLD chip_selects (/CS[3..0]) */ - and.b #1,crt0_csswitch - - /* bus width of /CS0 during reset bw[1..0] : 0 1 2 3 - bus width : 32 16 8 ext./dsackx */ - rol.b #2,crt0_buswidth - and.b #3,crt0_buswidth - - /*----------------------------------------------------*/ - /* -- configure chip select 0 with boot prom width -- */ - lea.l SIM_MASKH0(crt0_sim_base),crt0_ptr4 - lea.l _table_cs349(%pc),crt0_ptr3 - move.l (crt0_ptr3)+,crt0_temp - and.b #0xFC,crt0_temp | clear PS0 & PS1 - or.b crt0_buswidth,crt0_temp | set boot PROM bus width - move.l crt0_temp,(crt0_ptr4)+ - - /*------------------------*/ - /* -- read PDCS buffer -- */ - moves.b REG_PDCS(crt0_glue),crt0_pdcs -/* move.b #0x3F,crt0_pdcs pour test */ - - - /*---------------------------------------*/ - /* -- EPLD chip-select initialization -- */ - /*---------------------------------------*/ - btst.b #0,crt0_csswitch - beq _cs_init_end - - /*--------------------------------------------*/ - /* 68349 generated /CS[3..0] must be disabled */ - lea.l SIM_MASKH0(crt0_sim_base),crt0_ptr4 - lea.l _table_cs349(%pc),crt0_ptr3 - moveq.l #0x03,crt0_temp -_cs349_clear: - move.l (crt0_ptr3)+,(crt0_ptr4)+ - move.l (crt0_ptr3)+,crt0_spare6 - and.b #0xFE,crt0_spare6 | disable chip-select - move.l crt0_spare6,(crt0_ptr4)+ - dbra crt0_temp,_cs349_clear - - /*---------------------------------------------*/ - /* EPLD generated /CS[3..0] must be configured */ -_csepld_init: - move.l crt0_glue,crt0_ptr4 - lea.l _table_csepld(%pc),crt0_ptr3 - - move.b (crt0_ptr3)+,crt0_temp - or.b #0x20,crt0_temp | default width is 32 bits - tst.b crt0_buswidth | is boot PROM bus width 32 bits ? - beq _csepld1 | if not - and.b #0xDF,crt0_temp | set width to 16 bits -_csepld1: - moves.b crt0_temp,(crt0_ptr4)+ - - moveq.l #0x02,crt0_spare6 -_csepld2: - move.b (crt0_ptr3)+,crt0_temp - moves.b crt0_temp,(crt0_ptr4)+ - dbra crt0_spare6,_csepld2 - -_cs_init_end: - - /*--------------------------------------*/ - /* -- DRAM controller initialization -- */ -_dram_init: - move.w #15,crt0_temp - move.l #_ExtRam_Start,crt0_ptr3 - -_dram_init1: - clr.l (crt0_ptr3)+ | must access DRAM - dbra crt0_temp,_dram_init1 | prior to init refresh - -_dram_init2: - move.b #3,crt0_temp - moves.b crt0_temp,REG_WS(crt0_dram) | set 3 wait-states - - move.b #0x81,crt0_temp - moves.b crt0_temp,REG_REFRESH(crt0_dram) | refresh every 10µs - - move.b #0,crt0_temp - moves.b crt0_temp,REG_CONFIG(crt0_dram) | default size = 4Mbytes - - /*-----------------------*/ - /* -- configure cache -- */ -_init_cache: - move.l #0x000001E0,CACHE_MCR(crt0_sim_base) - btst.b #bit_cache,crt0_pdcs - bne _init_cache_end - or.l #0x00000001,CACHE_MCR(crt0_sim_base) - -_init_cache_end: - - /*-----------------------------*/ - /* -- timers initialization -- */ - - clr.b crt0_temp - moves.b crt0_temp,REG_TIMER1(crt0_glue) | disable timer 1 - moves.b crt0_temp,REG_TIMER2(crt0_glue) | disable timer 2 - - /*--------------------------*/ - /* -- I2C initialization -- */ - move.b #3,crt0_temp - moves.b crt0_temp,REG_I2C(crt0_glue) | tri-states I2C ports - - /*-----------------------------------------*/ - /* -- baudrate generator initialization -- */ - move.b #2,crt0_temp - moves.b crt0_temp,REG_BAUDRATE(crt0_glue) | baudrate = 38400 - - /*-------------------------------*/ - /* -- IO port initialization -- */ - clr.b crt0_temp - moves.b crt0_temp,REG_IO(crt0_glue) | set port as input - - /* -- */ - - move.l #68349,crt0_cpu_type - - - /* -- jump back to PROM -- */ - - jmp.l (_fill_test) | must be absolute long - -_copy_end: - -/*------------------------------------------------- - initialization code for the 68340 board - -------------------------------------------------*/ - - /* Astecc 68340 board : chip-select initialization values */ -_table_cs340: - dc.l 0x003FFFF0 /* Mask CS0 (4Mbytes PROM, 32bits, 0WS) */ - dc.l ((_PROM_Start&0xFFFFFF00)+0x00000003) /* Base CS0 */ - dc.l 0x0000FFFD /* MASK CS1 (RAMBCC340, 0WS, FTE) */ - dc.l ((_BCCram_Start&0xFFFFFF00)+0x00000003) /* Base CS1 */ - dc.l 0x000000FF /* MASK CS2 (FLEX, ext DTACK, 256 bytes) */ - dc.l ((_FLEX_Start&0xFFFFFF00)+0x00000003) /* Base CS2 */ - dc.l 0x000000FF /* Mask CS3 (I2C, ext DTACK, 256 bytes) */ - dc.l ((_I2C_Start&0xFFFFFF00)+0x00000003) /* Base CS3 */ - -cpu_is_68340: - - /* -- set cpu clock -- */ - move.w #_SPEED340,SIM_SYNCR(crt0_sim_base) | clock -sync_wait340: - btst.b #3,(SIM_SYNCR+1)(crt0_sim_base) - beq sync_wait340 - - /* -- chip select initialization -- */ - lea.l SIM_MASKH0(crt0_sim_base),crt0_ptr4 - lea.l _table_cs340(%pc),crt0_ptr3 - moveq.l #0x07,crt0_temp -_b_cs340: - move.l (crt0_ptr3)+,crt0_ptr5 - move.l crt0_ptr5,(crt0_ptr4)+ | pour test - dbra crt0_temp,_b_cs340 - - move.l #68340,crt0_cpu_type - move.b #0,crt0_csswitch | CPU - move.b #1,crt0_buswidth | 16 bits - - - /*------------------------------------------------- - fill RAM if COLDSTART - -------------------------------------------------*/ -_fill_test: - - tst.l crt0_boot_type - bne _dont_fill - - cmp.b #_CPU349,SIM_IDR(crt0_sim_base) - bne _fill - btst.b #bit_meminit,crt0_pdcs - bne _dont_fill - - /* fill main memory */ -_fill: - move.l #_crt0_init_stack,crt0_ptr3 | skip Astecc vars - move.l #_ExtRam_Start,crt0_temp - sub.l #_crt0_init_stack,crt0_temp - add.l #_ExtRam_Size,crt0_temp | get size - lsr.l #2,crt0_temp | ajust for long word -_fill_loop: - clr.l (crt0_ptr3)+ - subq.l #1,crt0_temp - bne _fill_loop - - cmp.b #_CPU349,SIM_IDR(crt0_sim_base) - bne _fill_bccram - - /* fill QDMM memory */ - movea.l #_FastRam_Start,crt0_ptr3 | get start - move.l #_FastRam_Size,crt0_temp | get size - lsr.l #2,crt0_temp | ajust for long word - -_QDMMfill_loop: - clr.l (crt0_ptr3)+ - subq.l #1,crt0_temp - bne _QDMMfill_loop - bra _dont_fill - - /* fill BCC memory */ -_fill_bccram: - movea.l #_BCCram_Start,crt0_ptr3 | get start - move.l #_BCCram_Size,crt0_temp | get size - lsr.l #2,crt0_temp | ajust for long word -_BCCfill_loop: - clr.l (crt0_ptr3)+ - subq.l #1,crt0_temp - bne _BCCfill_loop - - *-------------------------------------------------*/ -_dont_fill: - move.b crt0_csswitch,_AsteccCsSwitch - move.b crt0_buswidth,_AsteccBusWidth - move.l crt0_cpu_type,_AsteccCpuName - - jmp SYM(_Init68340) | Start C code (which never returns) - -/* - * Copy DATA segment, clear BSS segment, set up real stack, - * initialize heap, start C program. - * Assume that DATA and BSS sizes are multiples of 4. - */ - PUBLIC (_CopyDataClearBSSAndStart) -SYM(_CopyDataClearBSSAndStart): - lea copy_start,a0 | Get start of DATA in RAM - lea SYM(etext),a2 | Get start of DATA in ROM - cmpl a0,a2 | Are they the same? - beq.s NOCOPY | Yes, no copy necessary - lea copy_end,a1 | Get end of DATA in RAM - bra.s COPYLOOPTEST | Branch into copy loop -COPYLOOP: - movel a2@+,a0@+ | Copy word from ROM to RAM -COPYLOOPTEST: - cmpl a1,a0 | Done? - bcs.s COPYLOOP | No, skip -NOCOPY: - - lea clear_start,a0 | Get start of BSS - lea clear_end,a1 | Get end of BSS - clrl d0 | Value to set - bra.s ZEROLOOPTEST | Branch into clear loop -ZEROLOOP: - movel d0,a0@+ | Clear a word -ZEROLOOPTEST: - cmpl a1,a0 | Done? - bcs.s ZEROLOOP | No, skip - - movel #stack_init,a7 | set master stack pointer - movel d0,a7@- | environp - movel d0,a7@- | argv - movel d0,a7@- | argc - jsr SYM(boot_card) | Call C main - - PUBLIC (_mainDone) -SYM(_mainDone): - nop | Leave spot for breakpoint - movew #1,a7 | Force a double bus error - movel d0,a7@- | This should cause a RESET -/* stop #0x2700 | Stop with interrupts disabled */ - move.w #0x2700,sr - bra.l SYM(_mainDone) | Stuck forever - - .align 2 - PUBLIC (_HeapSize) -SYM (_HeapSize): - .long HeapSize - PUBLIC (_StackSize) -SYM (_StackSize): - .long StackSize -END_CODE - -BEGIN_DATA_DCL - .align 2 - PUBLIC (environ) -SYM (environ): - .long 0 - PUBLIC (_M68kSpuriousInterruptCount) -SYM (_M68kSpuriousInterruptCount): - .long 0 -END_DATA_DCL - -END - diff --git a/c/src/lib/libbsp/m68k/gen68340/start340/startfor340only.S b/c/src/lib/libbsp/m68k/gen68340/start340/startfor340only.S deleted file mode 100644 index 37cd6feb29..0000000000 --- a/c/src/lib/libbsp/m68k/gen68340/start340/startfor340only.S +++ /dev/null @@ -1,498 +0,0 @@ -/* - * This file contains the entry point for the application. - * The name of this entry point is compiler dependent. - * It jumps to the BSP which is responsible for performing - * all initialization. - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * Based on the `gen68360' board support package, and covered by the - * original distribution terms. - * - * Geoffroy Montel - * France Telecom - CNET/DSM/TAM/CAT - * 4, rue du Clos Courtel - * 35512 CESSON-SEVIGNE - * FRANCE - * - * e-mail: g_montel@yahoo.com - * - * $Id$ - */ - -#include "asm.h" -#include <m68340.inc> - -BEGIN_CODE - /* - * Step 1: Decide on Reset Stack Pointer and Initial Program Counter - */ -Entry: - .long SYM(m340)+1024 | 0: Initial SSP - .long start | 1: Initial PC - .long SYM(_uhoh) | 2: Bus error - .long SYM(_uhoh) | 3: Address error - .long SYM(_uhoh) | 4: Illegal instruction - .long SYM(_uhoh) | 5: Zero division - .long SYM(_uhoh) | 6: CHK, CHK2 instruction - .long SYM(_uhoh) | 7: TRAPcc, TRAPV instructions - .long SYM(_uhoh) | 8: Privilege violation - .long SYM(_uhoh) | 9: Trace - .long SYM(_uhoh) | 10: Line 1010 emulator - .long SYM(_uhoh) | 11: Line 1111 emulator - .long SYM(_uhoh) | 12: Hardware breakpoint - .long SYM(_uhoh) | 13: Reserved for coprocessor violation - .long SYM(_uhoh) | 14: Format error - .long SYM(_uhoh) | 15: Uninitialized interrupt - .long SYM(_uhoh) | 16: Unassigned, reserved - .long SYM(_uhoh) | 17: - .long SYM(_uhoh) | 18: - .long SYM(_uhoh) | 19: - .long SYM(_uhoh) | 20: - .long SYM(_uhoh) | 21: - .long SYM(_uhoh) | 22: - .long SYM(_uhoh) | 23: - .long SYM(_spuriousInterrupt) | 24: Spurious interrupt - .long SYM(_uhoh) | 25: Level 1 interrupt autovector - .long SYM(_uhoh) | 26: Level 2 interrupt autovector - .long SYM(_uhoh) | 27: Level 3 interrupt autovector - .long SYM(_uhoh) | 28: Level 4 interrupt autovector - .long SYM(_uhoh) | 29: Level 5 interrupt autovector - .long SYM(_uhoh) | 30: Level 6 interrupt autovector - .long SYM(_uhoh) | 31: Level 7 interrupt autovector - .long SYM(_uhoh) | 32: Trap instruction (0-15) - .long SYM(_uhoh) | 33: - .long SYM(_uhoh) | 34: - .long SYM(_uhoh) | 35: - .long SYM(_uhoh) | 36: - .long SYM(_uhoh) | 37: - .long SYM(_uhoh) | 38: - .long SYM(_uhoh) | 39: - .long SYM(_uhoh) | 40: - .long SYM(_uhoh) | 41: - .long SYM(_uhoh) | 42: - .long SYM(_uhoh) | 43: - .long SYM(_uhoh) | 44: - .long SYM(_uhoh) | 45: - .long SYM(_uhoh) | 46: - .long SYM(_uhoh) | 47: - .long SYM(_uhoh) | 48: Reserved for coprocessor - .long SYM(_uhoh) | 49: - .long SYM(_uhoh) | 50: - .long SYM(_uhoh) | 51: - .long SYM(_uhoh) | 52: - .long SYM(_uhoh) | 53: - .long SYM(_uhoh) | 54: - .long SYM(_uhoh) | 55: - .long SYM(_uhoh) | 56: - .long SYM(_uhoh) | 57: - .long SYM(_uhoh) | 58: - .long SYM(_uhoh) | 59: Unassigned, reserved - .long SYM(_uhoh) | 60: - .long SYM(_uhoh) | 61: - .long SYM(_uhoh) | 62: - .long SYM(_uhoh) | 63: - .long SYM(_uhoh) | 64: User defined vectors (192) - .long SYM(_uhoh) | 65: - .long SYM(_uhoh) | 66: - .long SYM(_uhoh) | 67: - .long SYM(_uhoh) | 68: - .long SYM(_uhoh) | 69: - .long SYM(_uhoh) | 70: - .long SYM(_uhoh) | 71: - .long SYM(_uhoh) | 72: - .long SYM(_uhoh) | 73: - .long SYM(_uhoh) | 74: - .long SYM(_uhoh) | 75: - .long SYM(_uhoh) | 76: - .long SYM(_uhoh) | 77: - .long SYM(_uhoh) | 78: - .long SYM(_uhoh) | 79: - .long SYM(_uhoh) | 80: - .long SYM(_uhoh) | 81: - .long SYM(_uhoh) | 82: - .long SYM(_uhoh) | 83: - .long SYM(_uhoh) | 84: - .long SYM(_uhoh) | 85: - .long SYM(_uhoh) | 86: - .long SYM(_uhoh) | 87: - .long SYM(_uhoh) | 88: - .long SYM(_uhoh) | 89: - .long SYM(_uhoh) | 90: - .long SYM(_uhoh) | 91: - .long SYM(_uhoh) | 92: - .long SYM(_uhoh) | 93: - .long SYM(_uhoh) | 94: - .long SYM(_uhoh) | 95: - .long SYM(_uhoh) | 96: - .long SYM(_uhoh) | 97: - .long SYM(_uhoh) | 98: - .long SYM(_uhoh) | 99: - .long SYM(_uhoh) | 100: - .long SYM(_uhoh) | 101: - .long SYM(_uhoh) | 102: - .long SYM(_uhoh) | 103: - .long SYM(_uhoh) | 104: - .long SYM(_uhoh) | 105: - .long SYM(_uhoh) | 106: - .long SYM(_uhoh) | 107: - .long SYM(_uhoh) | 108: - .long SYM(_uhoh) | 109: - .long SYM(_uhoh) | 110: - .long SYM(_uhoh) | 111: - .long SYM(_uhoh) | 112: - .long SYM(_uhoh) | 113: - .long SYM(_uhoh) | 114: - .long SYM(_uhoh) | 115: - .long SYM(_uhoh) | 116: - .long SYM(_uhoh) | 117: - .long SYM(_uhoh) | 118: - .long SYM(_uhoh) | 119: - .long SYM(_uhoh) | 120: - .long SYM(_uhoh) | 121: - .long SYM(_uhoh) | 122: - .long SYM(_uhoh) | 123: - .long SYM(_uhoh) | 124: - .long SYM(_uhoh) | 125: - .long SYM(_uhoh) | 126: - .long SYM(_uhoh) | 127: - .long SYM(_uhoh) | 128: - .long SYM(_uhoh) | 129: - .long SYM(_uhoh) | 130: - .long SYM(_uhoh) | 131: - .long SYM(_uhoh) | 132: - .long SYM(_uhoh) | 133: - .long SYM(_uhoh) | 134: - .long SYM(_uhoh) | 135: - .long SYM(_uhoh) | 136: - .long SYM(_uhoh) | 137: - .long SYM(_uhoh) | 138: - .long SYM(_uhoh) | 139: - .long SYM(_uhoh) | 140: - .long SYM(_uhoh) | 141: - .long SYM(_uhoh) | 142: - .long SYM(_uhoh) | 143: - .long SYM(_uhoh) | 144: - .long SYM(_uhoh) | 145: - .long SYM(_uhoh) | 146: - .long SYM(_uhoh) | 147: - .long SYM(_uhoh) | 148: - .long SYM(_uhoh) | 149: - .long SYM(_uhoh) | 150: - .long SYM(_uhoh) | 151: - .long SYM(_uhoh) | 152: - .long SYM(_uhoh) | 153: - .long SYM(_uhoh) | 154: - .long SYM(_uhoh) | 155: - .long SYM(_uhoh) | 156: - .long SYM(_uhoh) | 157: - .long SYM(_uhoh) | 158: - .long SYM(_uhoh) | 159: - .long SYM(_uhoh) | 160: - .long SYM(_uhoh) | 161: - .long SYM(_uhoh) | 162: - .long SYM(_uhoh) | 163: - .long SYM(_uhoh) | 164: - .long SYM(_uhoh) | 165: - .long SYM(_uhoh) | 166: - .long SYM(_uhoh) | 167: - .long SYM(_uhoh) | 168: - .long SYM(_uhoh) | 169: - .long SYM(_uhoh) | 170: - .long SYM(_uhoh) | 171: - .long SYM(_uhoh) | 172: - .long SYM(_uhoh) | 173: - .long SYM(_uhoh) | 174: - .long SYM(_uhoh) | 175: - .long SYM(_uhoh) | 176: - .long SYM(_uhoh) | 177: - .long SYM(_uhoh) | 178: - .long SYM(_uhoh) | 179: - .long SYM(_uhoh) | 180: - .long SYM(_uhoh) | 181: - .long SYM(_uhoh) | 182: - .long SYM(_uhoh) | 183: - .long SYM(_uhoh) | 184: - .long SYM(_uhoh) | 185: - .long SYM(_uhoh) | 186: - .long SYM(_uhoh) | 187: - .long SYM(_uhoh) | 188: - .long SYM(_uhoh) | 189: - .long SYM(_uhoh) | 190: - .long SYM(_uhoh) | 191: - .long SYM(_uhoh) | 192: - .long SYM(_uhoh) | 193: - .long SYM(_uhoh) | 194: - .long SYM(_uhoh) | 195: - .long SYM(_uhoh) | 196: - .long SYM(_uhoh) | 197: - .long SYM(_uhoh) | 198: - .long SYM(_uhoh) | 199: - .long SYM(_uhoh) | 200: - .long SYM(_uhoh) | 201: - .long SYM(_uhoh) | 202: - .long SYM(_uhoh) | 203: - .long SYM(_uhoh) | 204: - .long SYM(_uhoh) | 205: - .long SYM(_uhoh) | 206: - .long SYM(_uhoh) | 207: - .long SYM(_uhoh) | 208: - .long SYM(_uhoh) | 209: - .long SYM(_uhoh) | 210: - .long SYM(_uhoh) | 211: - .long SYM(_uhoh) | 212: - .long SYM(_uhoh) | 213: - .long SYM(_uhoh) | 214: - .long SYM(_uhoh) | 215: - .long SYM(_uhoh) | 216: - .long SYM(_uhoh) | 217: - .long SYM(_uhoh) | 218: - .long SYM(_uhoh) | 219: - .long SYM(_uhoh) | 220: - .long SYM(_uhoh) | 221: - .long SYM(_uhoh) | 222: - .long SYM(_uhoh) | 223: - .long SYM(_uhoh) | 224: - .long SYM(_uhoh) | 225: - .long SYM(_uhoh) | 226: - .long SYM(_uhoh) | 227: - .long SYM(_uhoh) | 228: - .long SYM(_uhoh) | 229: - .long SYM(_uhoh) | 230: - .long SYM(_uhoh) | 231: - .long SYM(_uhoh) | 232: - .long SYM(_uhoh) | 233: - .long SYM(_uhoh) | 234: - .long SYM(_uhoh) | 235: - .long SYM(_uhoh) | 236: - .long SYM(_uhoh) | 237: - .long SYM(_uhoh) | 238: - .long SYM(_uhoh) | 239: - .long SYM(_uhoh) | 240: - .long SYM(_uhoh) | 241: - .long SYM(_uhoh) | 242: - .long SYM(_uhoh) | 243: - .long SYM(_uhoh) | 244: - .long SYM(_uhoh) | 245: - .long SYM(_uhoh) | 246: - .long SYM(_uhoh) | 247: - .long SYM(_uhoh) | 248: - .long SYM(_uhoh) | 249: - .long SYM(_uhoh) | 250: - .long SYM(_uhoh) | 251: - .long SYM(_uhoh) | 252: - .long SYM(_uhoh) | 253: - .long SYM(_uhoh) | 254: - .long SYM(_uhoh) | 255: - -/* - * Default trap handler - * With an oscilloscope you can see AS* stop - */ - PUBLIC (_uhoh) -SYM(_uhoh): nop | Leave spot for breakpoint - stop #0x2700 | Stop with interrupts disabled - bra.s SYM(_uhoh) | Stuck forever - -/* - * Log, but otherwise ignore, spurious interrupts - */ - PUBLIC (_spuriousInterrupt) -SYM(_spuriousInterrupt): - addql #1,SYM(_M68kSpuriousInterruptCount) - rte - -/* - * Place the low-order 3 octets of the board's ethernet address at - * a `well-known' fixed location relative to the startup location. - */ - .align 2 - .word 0 | Padding -ethernet_address_buffer: - .word 0x08F3 | Default address - .word 0xDEAD - .word 0xCAFE - -/* -- equates -- */ -.equ _PROM_Start, 0x01000000 /* CS0 */ -.equ _BCCram_Start, 0x00000000 /* CS1 */ -.equ _FLEX_Start, 0x08000000 /* CS2 */ -.equ _I2C_Start, 0x02000000 /* CS3 */ -.equ _EXTram_Start, 0x10000000 /* CS4 */ -.equ _EXTram_Size, 0x000400000 /* 4 Mbytes */ -.equ _SPEED, 0xD780 /* 25 Mhz CPU349 */ -/* .equ _SPEED, 0xD700 25 Mhz */ -/* .equ _SPEED, 0xCE00 16 Mhz */ - -BEGIN_DATA - -_crt0_init_stack: - ds.l 0x1000 -_crt0_init_stktop: - - -BEGIN_CODE - dc.l _crt0_init_stktop /* reset SP */ - dc.l _crt0_cold_start /* reset PC */ - dc.l _crt0_warm_start - - .ascii "RTEMS" - dc.w 0 - -.align 2 - -_table_cs: - /* carte Astecc - 68340 */ - dc.l 0x003FFFF0 /* Mask CS0 (4Mbytes PROM, 32bits, 0WS) */ -/* dc.l 0x003FFFFD Mask CS0 (4Mbytes PROM, 16bits, 3WS) */ - dc.l ((_PROM_Start&0xFFFFFF00)+0x00000003) /* Base CS0 */ -/* dc.l 0x0000FFF1 MASK CS1 (RAMBCC340, 0WS, FTE) */ - dc.l 0x0000FFFD /* MASK CS1 (RAMBCC340, 0WS, FTE) */ -/* dc.l ((_BCCram_Start&0xFFFFFF00)+0x00000007) Base CS1 */ - dc.l ((_BCCram_Start&0xFFFFFF00)+0x00000003) /* Base CS1 */ - dc.l 0x000000FF /* MASK CS2 (FLEX, ext DTACK, 256 bytes) */ - dc.l ((_FLEX_Start&0xFFFFFF00)+0x00000003) /* Base CS2 */ - dc.l 0x000000FF /* Mask CS3 (I2C, ext DTACK, 256 bytes) */ - dc.l ((_I2C_Start&0xFFFFFF00)+0x00000003) /* Base CS3 */ - -/* - * Initial PC - */ -.globl start -start: - -_crt0_cold_start: - moveq.l #0,d0 /* signal cold reset */ - bra.s _crt0_common_start - -_crt0_warm_start: - moveq.l #1,d0 /* signal warm reset */ - -_crt0_common_start: - move.w #0x2700,sr /* disable interrupts and switch to interrupt mode */ - movea.l #_crt0_init_stktop,sp /* set up initialization stack */ - - lea Entry,a0 /* Get base of vector table */ - movec a0,vbr /* Set up the VBR */ - - moveq.l #0x07,d1 - movec.l d1,dfc /* prepare access in CPU space */ - move.l #(BASE_SIM+1),d1 - moves.l d1,BASE_REG /* base initialization (must be MOVES, PCC-130795) */ - moveq.l #0x05,d1 - movec.l d1,dfc - - movea.l #BASE_SIM,a0 - - /* -- disable Bus Monitor -- */ - move.b #0,SIM_SYPCR(a0) /* system protection control register */ - - /* -- set frequency to 25.16 Mhz -- */ - move.w #_SPEED,SIM_SYNCR(a0) /* clock */ - -sync_wait: - btst.b #3,(SIM_SYNCR+1)(a0) - beq sync_wait - - /* -- enable A31-A24 -- */ - clr.b SIM_PPRA1(a0) - - /* -- show cycles, user acces to SIM, 4 /CS & 4 /IT -- */ - move.w #0x427F,SIM_MCR(a0) - - /* -- chip select initialization -- */ - lea.l SIM_MASKH0(a0),a2 - lea.l _table_cs(%pc),a1 - - moveq.l #0x07,d1 - -_b_cs: - move.l (a1)+, (a2)+ - dbra d1,_b_cs - - /* fill RAM if COLDSTART */ - tst.l d0 - bne _dont_fill - - movea.l #_EXTram_Start,a0 /* get start */ - move.l #_EXTram_Size,d1 /* get size */ - lsr.l #2,d1 /* ajust for long word */ - -_fill_loop: - clr.l (a0)+ - subq.l #1,d1 - bne _fill_loop - -_dont_fill: - jmp SYM(_Init68340) | Start C code (which never returns) - -/* - * Copy DATA segment, clear BSS segment, set up real stack, - * initialize heap, start C program. - * Assume that DATA and BSS sizes are multiples of 4. - */ - PUBLIC (_CopyDataClearBSSAndStart) -SYM(_CopyDataClearBSSAndStart): - lea copy_start,a0 | Get start of DATA in RAM - lea SYM(etext),a2 | Get start of DATA in ROM - cmpl a0,a2 | Are they the same? - beq.s NOCOPY | Yes, no copy necessary - lea copy_end,a1 | Get end of DATA in RAM - bra.s COPYLOOPTEST | Branch into copy loop -COPYLOOP: - movel a2@+,a0@+ | Copy word from ROM to RAM -COPYLOOPTEST: - cmpl a1,a0 | Done? - bcs.s COPYLOOP | No, skip -NOCOPY: - - lea clear_start,a0 | Get start of BSS - lea clear_end,a1 | Get end of BSS - clrl d0 | Value to set - bra.s ZEROLOOPTEST | Branch into clear loop -ZEROLOOP: - movel d0,a0@+ | Clear a word -ZEROLOOPTEST: - cmpl a1,a0 | Done? - bcs.s ZEROLOOP | No, skip - - movel #stack_init,a7 | set master stack pointer - movel d0,a7@- | environp - movel d0,a7@- | argv - movel d0,a7@- | argc - jsr SYM(boot_card) | Call C main - - PUBLIC (_mainDone) -SYM(_mainDone): - nop | Leave spot for breakpoint - movew #1,a7 | Force a double bus error - movel d0,a7@- | This should cause a RESET - stop #0x2700 | Stop with interrupts disabled - bra.s SYM(_mainDone) | Stuck forever - - .align 2 - PUBLIC (_HeapSize) -SYM (_HeapSize): - .long HeapSize - PUBLIC (_StackSize) -SYM (_StackSize): - .long StackSize -END_CODE - -BEGIN_DATA_DCL - .align 2 - PUBLIC (environ) -SYM (environ): - .long 0 - PUBLIC (_M68kSpuriousInterruptCount) -SYM (_M68kSpuriousInterruptCount): - .long 0 -END_DATA_DCL - -END - diff --git a/c/src/lib/libbsp/m68k/gen68360/start360/Makefile.in b/c/src/lib/libbsp/m68k/gen68360/start360/Makefile.in deleted file mode 100644 index 6221d77c13..0000000000 --- a/c/src/lib/libbsp/m68k/gen68360/start360/Makefile.in +++ /dev/null @@ -1,68 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = ../../.. -subdir = m68k/gen68360/start360 - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@ - -PGMS = ${ARCH}/start360.o - -# C source names, if any, go here -- minus the .c -C_PIECES = -C_FILES = $(C_PIECES:%=%.c) -C_O_FILES = $(C_PIECES:%=${ARCH}/%.o) - -H_FILES = - -# Assembly source names, if any, go here -- minus the .S -S_PIECES = start360 -S_FILES = $(S_PIECES:%=%.S) -S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o) - -SRCS = $(C_FILES) $(H_FILES) $(S_FILES) -OBJS = $(C_O_FILES) $(S_O_FILES) - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/leaf.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ - -# -# (OPTIONAL) Add local stuff here using += -# - -DEFINES += -CPPFLAGS += -CFLAGS += - -LD_PATHS += -LD_LIBS += -LDFLAGS += - -# -# Add your list of files to delete here. The config files -# already know how to delete some stuff, so you may want -# to just run 'make clean' first to see what gets missed. -# 'make clobber' already includes 'make clean' -# - -CLEAN_ADDITIONS += -CLOBBER_ADDITIONS += - -all: ${ARCH} $(SRCS) $(OBJS) $(PGM) - $(INSTALL_VARIANT) -m 755 ${PGMS} $(PROJECT_RELEASE)/lib - -# Install the program(s), appending _g or _p as appropriate. -# for include files, just use $(INSTALL_CHANGE) - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/libbsp/m68k/gen68360/start360/start360.S b/c/src/lib/libbsp/m68k/gen68360/start360/start360.S deleted file mode 100644 index 4a10e7748c..0000000000 --- a/c/src/lib/libbsp/m68k/gen68360/start360/start360.S +++ /dev/null @@ -1,436 +0,0 @@ -/* - * - * This file contains the entry point for the application. - * The name of this entry point is compiler dependent. - * It jumps to the BSP which is responsible for performing - * all initialization. - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * Based on the `gen68302' board support package, and covered by the - * original distribution terms. - * - * W. Eric Norum - * Saskatchewan Accelerator Laboratory - * University of Saskatchewan - * Saskatoon, Saskatchewan, CANADA - * eric@skatter.usask.ca - * - * $Id$ - */ - -#include "asm.h" - -BEGIN_CODE - /* - * Step 1: Decide on Reset Stack Pointer and Initial Program Counter - */ -Entry: - .long SYM(m360)+1024 | 0: Initial SSP - .long start | 1: Initial PC - .long SYM(_uhoh) | 2: Bus error - .long SYM(_uhoh) | 3: Address error - .long SYM(_uhoh) | 4: Illegal instruction - .long SYM(_uhoh) | 5: Zero division - .long SYM(_uhoh) | 6: CHK, CHK2 instruction - .long SYM(_uhoh) | 7: TRAPcc, TRAPV instructions - .long SYM(_uhoh) | 8: Privilege violation - .long SYM(_uhoh) | 9: Trace - .long SYM(_uhoh) | 10: Line 1010 emulator - .long SYM(_uhoh) | 11: Line 1111 emulator - .long SYM(_uhoh) | 12: Hardware breakpoint - .long SYM(_uhoh) | 13: Reserved for coprocessor violation - .long SYM(_uhoh) | 14: Format error - .long SYM(_uhoh) | 15: Uninitialized interrupt - .long SYM(_uhoh) | 16: Unassigned, reserved - .long SYM(_uhoh) | 17: - .long SYM(_uhoh) | 18: - .long SYM(_uhoh) | 19: - .long SYM(_uhoh) | 20: - .long SYM(_uhoh) | 21: - .long SYM(_uhoh) | 22: - .long SYM(_uhoh) | 23: - .long SYM(_spuriousInterrupt) | 24: Spurious interrupt - .long SYM(_uhoh) | 25: Level 1 interrupt autovector - .long SYM(_uhoh) | 26: Level 2 interrupt autovector - .long SYM(_uhoh) | 27: Level 3 interrupt autovector - .long SYM(_uhoh) | 28: Level 4 interrupt autovector - .long SYM(_uhoh) | 29: Level 5 interrupt autovector - .long SYM(_uhoh) | 30: Level 6 interrupt autovector - .long SYM(_uhoh) | 31: Level 7 interrupt autovector - .long SYM(_uhoh) | 32: Trap instruction (0-15) - .long SYM(_uhoh) | 33: - .long SYM(_uhoh) | 34: - .long SYM(_uhoh) | 35: - .long SYM(_uhoh) | 36: - .long SYM(_uhoh) | 37: - .long SYM(_uhoh) | 38: - .long SYM(_uhoh) | 39: - .long SYM(_uhoh) | 40: - .long SYM(_uhoh) | 41: - .long SYM(_uhoh) | 42: - .long SYM(_uhoh) | 43: - .long SYM(_uhoh) | 44: - .long SYM(_uhoh) | 45: - .long SYM(_uhoh) | 46: - .long SYM(_uhoh) | 47: - .long SYM(_uhoh) | 48: Reserved for coprocessor - .long SYM(_uhoh) | 49: - .long SYM(_uhoh) | 50: - .long SYM(_uhoh) | 51: - .long SYM(_uhoh) | 52: - .long SYM(_uhoh) | 53: - .long SYM(_uhoh) | 54: - .long SYM(_uhoh) | 55: - .long SYM(_uhoh) | 56: - .long SYM(_uhoh) | 57: - .long SYM(_uhoh) | 58: - .long SYM(_uhoh) | 59: Unassigned, reserved - .long SYM(_uhoh) | 60: - .long SYM(_uhoh) | 61: - .long SYM(_uhoh) | 62: - .long SYM(_uhoh) | 63: - .long SYM(_uhoh) | 64: User defined vectors (192) - .long SYM(_uhoh) | 65: - .long SYM(_uhoh) | 66: - .long SYM(_uhoh) | 67: - .long SYM(_uhoh) | 68: - .long SYM(_uhoh) | 69: - .long SYM(_uhoh) | 70: - .long SYM(_uhoh) | 71: - .long SYM(_uhoh) | 72: - .long SYM(_uhoh) | 73: - .long SYM(_uhoh) | 74: - .long SYM(_uhoh) | 75: - .long SYM(_uhoh) | 76: - .long SYM(_uhoh) | 77: - .long SYM(_uhoh) | 78: - .long SYM(_uhoh) | 79: - .long SYM(_uhoh) | 80: - .long SYM(_uhoh) | 81: - .long SYM(_uhoh) | 82: - .long SYM(_uhoh) | 83: - .long SYM(_uhoh) | 84: - .long SYM(_uhoh) | 85: - .long SYM(_uhoh) | 86: - .long SYM(_uhoh) | 87: - .long SYM(_uhoh) | 88: - .long SYM(_uhoh) | 89: - .long SYM(_uhoh) | 90: - .long SYM(_uhoh) | 91: - .long SYM(_uhoh) | 92: - .long SYM(_uhoh) | 93: - .long SYM(_uhoh) | 94: - .long SYM(_uhoh) | 95: - .long SYM(_uhoh) | 96: - .long SYM(_uhoh) | 97: - .long SYM(_uhoh) | 98: - .long SYM(_uhoh) | 99: - .long SYM(_uhoh) | 100: - .long SYM(_uhoh) | 101: - .long SYM(_uhoh) | 102: - .long SYM(_uhoh) | 103: - .long SYM(_uhoh) | 104: - .long SYM(_uhoh) | 105: - .long SYM(_uhoh) | 106: - .long SYM(_uhoh) | 107: - .long SYM(_uhoh) | 108: - .long SYM(_uhoh) | 109: - .long SYM(_uhoh) | 110: - .long SYM(_uhoh) | 111: - .long SYM(_uhoh) | 112: - .long SYM(_uhoh) | 113: - .long SYM(_uhoh) | 114: - .long SYM(_uhoh) | 115: - .long SYM(_uhoh) | 116: - .long SYM(_uhoh) | 117: - .long SYM(_uhoh) | 118: - .long SYM(_uhoh) | 119: - .long SYM(_uhoh) | 120: - .long SYM(_uhoh) | 121: - .long SYM(_uhoh) | 122: - .long SYM(_uhoh) | 123: - .long SYM(_uhoh) | 124: - .long SYM(_uhoh) | 125: - .long SYM(_uhoh) | 126: - .long SYM(_uhoh) | 127: - .long SYM(_uhoh) | 128: - .long SYM(_uhoh) | 129: - .long SYM(_uhoh) | 130: - .long SYM(_uhoh) | 131: - .long SYM(_uhoh) | 132: - .long SYM(_uhoh) | 133: - .long SYM(_uhoh) | 134: - .long SYM(_uhoh) | 135: - .long SYM(_uhoh) | 136: - .long SYM(_uhoh) | 137: - .long SYM(_uhoh) | 138: - .long SYM(_uhoh) | 139: - .long SYM(_uhoh) | 140: - .long SYM(_uhoh) | 141: - .long SYM(_uhoh) | 142: - .long SYM(_uhoh) | 143: - .long SYM(_uhoh) | 144: - .long SYM(_uhoh) | 145: - .long SYM(_uhoh) | 146: - .long SYM(_uhoh) | 147: - .long SYM(_uhoh) | 148: - .long SYM(_uhoh) | 149: - .long SYM(_uhoh) | 150: - .long SYM(_uhoh) | 151: - .long SYM(_uhoh) | 152: - .long SYM(_uhoh) | 153: - .long SYM(_uhoh) | 154: - .long SYM(_uhoh) | 155: - .long SYM(_uhoh) | 156: - .long SYM(_uhoh) | 157: - .long SYM(_uhoh) | 158: - .long SYM(_uhoh) | 159: - .long SYM(_uhoh) | 160: - .long SYM(_uhoh) | 161: - .long SYM(_uhoh) | 162: - .long SYM(_uhoh) | 163: - .long SYM(_uhoh) | 164: - .long SYM(_uhoh) | 165: - .long SYM(_uhoh) | 166: - .long SYM(_uhoh) | 167: - .long SYM(_uhoh) | 168: - .long SYM(_uhoh) | 169: - .long SYM(_uhoh) | 170: - .long SYM(_uhoh) | 171: - .long SYM(_uhoh) | 172: - .long SYM(_uhoh) | 173: - .long SYM(_uhoh) | 174: - .long SYM(_uhoh) | 175: - .long SYM(_uhoh) | 176: - .long SYM(_uhoh) | 177: - .long SYM(_uhoh) | 178: - .long SYM(_uhoh) | 179: - .long SYM(_uhoh) | 180: - .long SYM(_uhoh) | 181: - .long SYM(_uhoh) | 182: - .long SYM(_uhoh) | 183: - .long SYM(_uhoh) | 184: - .long SYM(_uhoh) | 185: - .long SYM(_uhoh) | 186: - .long SYM(_uhoh) | 187: - .long SYM(_uhoh) | 188: - .long SYM(_uhoh) | 189: - .long SYM(_uhoh) | 190: - .long SYM(_uhoh) | 191: - .long SYM(_uhoh) | 192: - .long SYM(_uhoh) | 193: - .long SYM(_uhoh) | 194: - .long SYM(_uhoh) | 195: - .long SYM(_uhoh) | 196: - .long SYM(_uhoh) | 197: - .long SYM(_uhoh) | 198: - .long SYM(_uhoh) | 199: - .long SYM(_uhoh) | 200: - .long SYM(_uhoh) | 201: - .long SYM(_uhoh) | 202: - .long SYM(_uhoh) | 203: - .long SYM(_uhoh) | 204: - .long SYM(_uhoh) | 205: - .long SYM(_uhoh) | 206: - .long SYM(_uhoh) | 207: - .long SYM(_uhoh) | 208: - .long SYM(_uhoh) | 209: - .long SYM(_uhoh) | 210: - .long SYM(_uhoh) | 211: - .long SYM(_uhoh) | 212: - .long SYM(_uhoh) | 213: - .long SYM(_uhoh) | 214: - .long SYM(_uhoh) | 215: - .long SYM(_uhoh) | 216: - .long SYM(_uhoh) | 217: - .long SYM(_uhoh) | 218: - .long SYM(_uhoh) | 219: - .long SYM(_uhoh) | 220: - .long SYM(_uhoh) | 221: - .long SYM(_uhoh) | 222: - .long SYM(_uhoh) | 223: - .long SYM(_uhoh) | 224: - .long SYM(_uhoh) | 225: - .long SYM(_uhoh) | 226: - .long SYM(_uhoh) | 227: - .long SYM(_uhoh) | 228: - .long SYM(_uhoh) | 229: - .long SYM(_uhoh) | 230: - .long SYM(_uhoh) | 231: - .long SYM(_uhoh) | 232: - .long SYM(_uhoh) | 233: - .long SYM(_uhoh) | 234: - .long SYM(_uhoh) | 235: - .long SYM(_uhoh) | 236: - .long SYM(_uhoh) | 237: - .long SYM(_uhoh) | 238: - .long SYM(_uhoh) | 239: - .long SYM(_uhoh) | 240: - .long SYM(_uhoh) | 241: - .long SYM(_uhoh) | 242: - .long SYM(_uhoh) | 243: - .long SYM(_uhoh) | 244: - .long SYM(_uhoh) | 245: - .long SYM(_uhoh) | 246: - .long SYM(_uhoh) | 247: - .long SYM(_uhoh) | 248: - .long SYM(_uhoh) | 249: - .long SYM(_uhoh) | 250: - .long SYM(_uhoh) | 251: - .long SYM(_uhoh) | 252: - .long SYM(_uhoh) | 253: - .long SYM(_uhoh) | 254: - .long SYM(_uhoh) | 255: - -/* - * Default trap handler - * With an oscilloscope you can see AS* stop - */ - PUBLIC (_uhoh) -SYM(_uhoh): nop | Leave spot for breakpoint - stop #0x2700 | Stop with interrupts disabled - bra.l SYM(_uhoh) | Stuck forever - -/* - * Log, but otherwise ignore, spurious interrupts - */ - PUBLIC (_spuriousInterrupt) -SYM(_spuriousInterrupt): - addql #1,SYM(_M68kSpuriousInterruptCount) - rte - -/* - * Place the low-order 3 octets of the board's ethernet address at - * a `well-known' fixed location relative to the startup location. - */ - .align 2 - .word 0 | Padding -ethernet_address_buffer: - .word 0x08F3 | Default address - .word 0xDEAD - .word 0xCAFE - -/* - * Initial PC - */ -.globl start -start: - /* - * Step 2: Stay in Supervisor Mode - */ -#if ( M68K_HAS_SEPARATE_STACKS == 1 ) - oriw #0x3000,sr | Switch to Master Stack Pointer - lea SYM(m360)+1024-64,a7 | Put stack in dual-port ram - | a little below the interrupt stack -#endif - - /* - * Step 3: Write the VBR - */ - lea Entry,a0 | Get base of vector table - movec a0,vbr | Set up the VBR - - /* - * Step 4: Write the MBAR - */ - movec dfc,d1 | Save destination register - moveq #7,d0 | CPU-space funcction code - movec d0,dfc | Set destination function code register - movel #SYM(m360)+0x101,d0 | MBAR value (mask CPU space accesses) - movesl d0,0x3FF00 | Set MBAR - movec d1,dfc | Restore destination register - - /* - * Step 5: Verify a dual-port RAM location - */ - lea SYM(m360),a0 | Point a0 to first DPRAM location - moveb #0x33,d0 | Set the test value - moveb d0,a0@ | Set the memory location - cmpb a0@,d0 | Does it read back? - bne SYM(_uhoh) | If not, bad news! - notb d0 | Flip bits - moveb d0,a0@ | Set the memory location - cmpb a0@,d0 | Does it read back? - bne SYM(_uhoh) | If not, bad news! - - /* - * Remaining steps are handled by C code - */ - jmp SYM(_Init68360) | Start C code (which never returns) - -/* - * Copy DATA segment, clear BSS segment, set up real stack, - * initialize heap, start C program. - * Assume that DATA and BSS sizes are multiples of 4. - */ - PUBLIC (_CopyDataClearBSSAndStart) -SYM(_CopyDataClearBSSAndStart): - lea copy_start,a0 | Get start of DATA in RAM - lea SYM(etext),a2 | Get start of DATA in ROM - cmpl a0,a2 | Are they the same? - beq.s NOCOPY | Yes, no copy necessary - lea copy_end,a1 | Get end of DATA in RAM - bra.s COPYLOOPTEST | Branch into copy loop -COPYLOOP: - movel a2@+,a0@+ | Copy word from ROM to RAM -COPYLOOPTEST: - cmpl a1,a0 | Done? - bcs.s COPYLOOP | No, skip -NOCOPY: - - lea clear_start,a0 | Get start of BSS - lea clear_end,a1 | Get end of BSS - clrl d0 | Value to set - bra.s ZEROLOOPTEST | Branch into clear loop -ZEROLOOP: - movel d0,a0@+ | Clear a word -ZEROLOOPTEST: - cmpl a1,a0 | Done? - bcs.s ZEROLOOP | No, skip - - movel #stack_init,a7 | set master stack pointer - pea env | envp - pea arg | argv - movel d0,a7@- | argc - jsr SYM(boot_card) | Call C main - - PUBLIC (_mainDone) -SYM(_mainDone): - nop | Leave spot for breakpoint - movew #1,a7 | Force a double bus error - movel d0,a7@- | This should cause a RESET - stop #0x2700 | Stop with interrupts disabled - bra.l SYM(_mainDone) | Stuck forever - - .align 2 - PUBLIC (_HeapSize) -SYM (_HeapSize): - .long HeapSize - PUBLIC (_StackSize) -SYM (_StackSize): - .long StackSize -END_CODE - -BEGIN_DATA_DCL - .align 2 - PUBLIC (environ) -SYM (environ): - .long env - PUBLIC (_M68kSpuriousInterruptCount) -SYM (_M68kSpuriousInterruptCount): - .long 0 -END_DATA_DCL - -BEGIN_BSS -env: .long 0 -arg: .long 0 -END_BSS - -END - diff --git a/c/src/lib/libbsp/m68k/ods68302/start302/Makefile.in b/c/src/lib/libbsp/m68k/ods68302/start302/Makefile.in deleted file mode 100644 index ab5654f6fe..0000000000 --- a/c/src/lib/libbsp/m68k/ods68302/start302/Makefile.in +++ /dev/null @@ -1,80 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = ../../.. -subdir = m68k/ods68302/start302 - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@ - -PGM = ${ARCH}/start302.o - -RESET_S_PIECES_yes_V = debugreset -RESET_S_PIECES_no_V = reset -RESET_S_PIECES__V = $(RESET_S_PIECES_no_V) -RESET_S_PIECES = $(RESET_S_PIECES_$(RTEMS_DEBUGGER)_V) - -CFLAGS_no_V = -DGDB_MONITOR_ACTIVE -CFLAGS__V = $(CFLAGS_no_V) -CFLAGS_V = $(CFLAGS_$(RTEMS_DEBUGGER)_V) - -# C source names, if any, go here -- minus the .c -C_PIECES = cpuboot -C_FILES = $(C_PIECES:%=%.c) -C_O_FILES = $(C_PIECES:%=${ARCH}/%.o) - -H_FILES = - -# Assembly source names, if any, go here -- minus the .S -S_PIECES = $(RESET_S_PIECES) -S_FILES = $(S_PIECES:%=%.S) -S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o) - -SRCS = $(C_FILES) $(H_FILES) $(S_FILES) -OBJS = $(S_O_FILES) $(C_O_FILES) - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/leaf.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ - -# -# (OPTIONAL) Add local stuff here using += -# - -DEFINES += -CPPFLAGS += -CFLAGS += $(CFLAGS_V) - -LD_PATHS += -LD_LIBS += -LDFLAGS += - -# -# Add your list of files to delete here. The config files -# already know how to delete some stuff, so you may want -# to just run 'make clean' first to see what gets missed. -# 'make clobber' already includes 'make clean' -# - -CLEAN_ADDITIONS += -CLOBBER_ADDITIONS += - -${PGM}: ${OBJS} - $(make-rel) - -all: ${ARCH} $(SRCS) $(OBJS) $(PGM) - $(INSTALL_VARIANT) -m 755 ${PGM} $(PROJECT_RELEASE)/lib - -# Install the program(s), appending _g or _p as appropriate. -# for include files, just use $(INSTALL_CHANGE) - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/libbsp/m68k/ods68302/start302/cpuboot.c b/c/src/lib/libbsp/m68k/ods68302/start302/cpuboot.c deleted file mode 100644 index fd8a4146de..0000000000 --- a/c/src/lib/libbsp/m68k/ods68302/start302/cpuboot.c +++ /dev/null @@ -1,133 +0,0 @@ -/*****************************************************************************/ -/* - Boot the CPU. - - Occurs in 3 phases for a 68302. - - Phase 1. - - Called as soon as able after reset. The BAR has been programed, and - a small stack exists in the DPRAM. All interrupts are masked, and - the processor is running in supervisor mode. No other hardware or - chip selects are active. - - This phase programs the chip select registers, the parallel ports - are set into default configurations, and basic registers cleared or - reset. The leds are programmed to show the end of phase 1. - - Phase 2. - - This is a piece of code which is copied to DPRAM and executed. It - should not do any more thann is currently present. The return to ROM - is managed by modifing the return address. Again leds show the status. - - Phase 3. - - This code executes with a valid C environment. That is the data - section has been intialised and the bss section set to 0. This phase - performs any special card initialisation and then calls boot card. - - $Id$ - -*/ -/*****************************************************************************/ - -#include <bsp.h> -#include <m68302.h> -#include <debugport.h> -#include <crc.h> - -/* - Open the address, reset all registers - */ - -void boot_phase_1() -{ - M302_SCR = SCR_DEFAULT; - - WRITE_OR(CSEL_ROM, ROM_SIZE, ROM_WAIT_STATES, OR_MASK_RW, OR_MASK_FC); - WRITE_BR(CSEL_ROM, RAM_BASE, BR_READ_ONLY, BR_FC_NULL, BR_ENABLED); - WRITE_OR(CSEL_RAM, RAM_SIZE, RAM_WAIT_STATES, OR_MASK_RW, OR_MASK_FC); - WRITE_BR(CSEL_RAM, ROM_BASE, BR_READ_WRITE, BR_FC_NULL, BR_ENABLED); - -#if defined(CSEL_1) - WRITE_OR(CSEL_1, CSEL_1_SIZE, CSEL_1_WAIT_STATES, OR_MASK_RW, OR_MASK_FC); - WRITE_BR(CSEL_1, CSEL_1_BASE, BR_READ_WRITE, BR_FC_NULL, BR_ENABLED); -#endif - -#if defined(CSEL_2) - WRITE_OR(CSEL_2, CSEL_2_SIZE, CSEL_2_WAIT_STATES, OR_MASK_RW, OR_MASK_FC); - WRITE_BR(CSEL_2, CSEL_2_BASE, BR_READ_WRITE, BR_FC_NULL, BR_ENABLED); -#endif - - m302.reg.gimr = m302.reg.ipr = m302.reg.imr = m302.reg.isr = 0; - - m302.reg.simode = 0; - - m302.reg.pacnt = CARD_PA_CONFIGURATION; - m302.reg.paddr = CARD_PA_DEFAULT_DIRECTIONS; - m302.reg.padat = CARD_PA_DEFAULT_DATA; - - m302.reg.pbcnt = CARD_PB_CONFIGURATION; - m302.reg.pbddr = CARD_PB_DEFAULT_DIRECTIONS; - m302.reg.pbdat = CARD_PB_DEFAULT_DATA; - - m302.reg.wrr = WATCHDOG_TIMEOUT_PERIOD | WATCHDOG_ENABLE; - -#if defined(LED_CONTROL) - LED_CONTROL(LED_1_RED, LED_2_OFF, LED_3_OFF, LED_4_OFF, - LED_5_OFF, LED_6_OFF, LED_7_OFF, LED_8_OFF); -#endif -} - -/* - Swap the chip select mapping for ROM and RAM - */ - -void boot_phase_2(void) -{ - rtems_unsigned32 stack; - -#if defined(LED_CONTROL) - LED_CONTROL(LED_1_RED, LED_2_RED, LED_3_OFF, LED_4_OFF, - LED_5_OFF, LED_6_OFF, LED_7_OFF, LED_8_OFF); -#endif - - WRITE_BR(CSEL_ROM, ROM_BASE, BR_READ_ONLY, BR_FC_NULL, BR_ENABLED); - WRITE_BR(CSEL_RAM, RAM_BASE, BR_READ_WRITE, BR_FC_NULL, BR_ENABLED); - -#if defined(LED_CONTROL) - LED_CONTROL(LED_1_GREEN, LED_2_RED, LED_3_OFF, LED_4_OFF, - LED_5_OFF, LED_6_OFF, LED_7_OFF, LED_8_OFF); -#endif - - /* seems to want 2, looked at assember code output */ - *(&stack + 2) |= ROM_BASE; -} - -/* - Any pre-main initialisation, the C environment is setup, how-ever C++ - static constructors have not been called, and RTEMS is not initialised. - */ - -void boot_card(); -void set_debug_traps(); -void breakpoint(); - -void boot_phase_3(void) -{ - if (GDB_RUN_MONITOR()) - { - set_debug_traps(); - breakpoint(); - } - - debug_port_banner(); - - /* FIXME : add RAM and ROM checks */ - - /* boot the bsp, what ever this means */ - boot_card(); - - WATCHDOG_TRIGGER(); -} diff --git a/c/src/lib/libbsp/m68k/ods68302/start302/debugreset.S b/c/src/lib/libbsp/m68k/ods68302/start302/debugreset.S deleted file mode 100644 index 74049191c4..0000000000 --- a/c/src/lib/libbsp/m68k/ods68302/start302/debugreset.S +++ /dev/null @@ -1,107 +0,0 @@ -/* - * $Id$ - * - * Re-written the gen68302 start-up code. - * - * Uses gas syntax only, removed the OAR asm.h. - * - * Supplies a complete vector table in ROM. - * - * Manages all vectors with seperate handlers to trap unhandled - * execptions. - * - * Uses the target specific header file to get the runtime - * configuration - * - * COPYRIGHT (c) 1996 - * Objective Design Systems Pty Ltd (ODS) - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - */ - -| -| Entry from debugger -| - .sect .text - -| -| Start -| -| Entered from a hardware reset. -| - - .global start | Default entry point for GNU -start: - - move.w #0x2700,%sr | Disable all interrupts - - | - | zero out uninitialized data area - | - -zerobss: - moveal #end,%a0 | find end of .bss - moveal #bss_start,%a1 | find beginning of .bss - moveq #0,%d0 - -zerobss_loop: - - movel %d0,%a1@+ | to zero out uninitialized - cmpal %a0,%a1 - jlt zerobss_loop | loop until _end reached - - movel #end,%d0 | d0 = end of bss/start of heap - addl #heap_size,%d0 | d0 = end of heap - - movel %d0,stack_start | Save for brk() routine - addl #stack_size,%d0 | make room for stack - andl #0xffffffc0,%d0 | align it on 16 byte boundary - - movw #0x3700,%sr | SUPV MODE,INTERRUPTS OFF!!! - movel %d0,%a7 | set master stack pointer - movel %d0,%a6 | set base pointer - - jsr boot_phase_3 - -| -| Initialised data -| - - .sect .data - - .global start_frame - -start_frame: - .space 4,0 - - .global stack_start - -stack_start: - .space 4,0 - -| -| Uninitialised data -| - - .sect .bss - - .global environ - .align 2 - -environ: - .long 0 - - .global heap_size - .set heap_size,0x2000 - - .global stack_size - .set stack_size,0x1000 - - diff --git a/c/src/lib/libbsp/m68k/ods68302/start302/reset.S b/c/src/lib/libbsp/m68k/ods68302/start302/reset.S deleted file mode 100644 index 71d1071243..0000000000 --- a/c/src/lib/libbsp/m68k/ods68302/start302/reset.S +++ /dev/null @@ -1,881 +0,0 @@ -/* - * $Id$ - * - * Re-written the gen68302 start-up code. - * - * Uses gas syntax only, removed the OAR asm.h. - * - * Supplies a complete vector table in ROM. - * - * Manages all vectors with seperate handlers to trap unhandled - * execptions. - * - * Uses the target specific header file to get the runtime - * configuration - * - * COPYRIGHT (c) 1996 - * Objective Design Systems Pty Ltd (ODS) - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - */ - -| -| some basic defined, this is that is required -| -#define MC68302_BAR 0x000000F2 -#define MC68302_BAR_FC_CFC 0x0000 -#define MC68302_SYS_RAM_SIZE 0x240 - -| -| Boot boot code in a special section, ld postions -| -| Initial stack pointer is in the dual ported RAM -| - .sect .text - - .global M68Kvec | Vector Table - -M68Kvec: | standard location for vectors - -| -| Make relative, can have the code positioned any where -| - -V___ISSP: .long MC68302_BASE + MC68302_SYS_RAM_SIZE -V____IPC: .long start - V___ISSP - -| -| Create the rest of the vector table to point to the unhandled expection -| handler -| -| Lots of macros, how-ever it creates a simple ROM vector table -| - -exception_handler = unhandled_exception - V___ISSP -#define MAKE_EXCEPTION_VECTOR(n) V___##n: .long (exception_handler + (n * 8)) - -MAKE_EXCEPTION_VECTOR(2) -MAKE_EXCEPTION_VECTOR(3) -MAKE_EXCEPTION_VECTOR(4) -MAKE_EXCEPTION_VECTOR(5) -MAKE_EXCEPTION_VECTOR(6) -MAKE_EXCEPTION_VECTOR(7) -MAKE_EXCEPTION_VECTOR(8) -MAKE_EXCEPTION_VECTOR(9) - -MAKE_EXCEPTION_VECTOR(10) -MAKE_EXCEPTION_VECTOR(11) -MAKE_EXCEPTION_VECTOR(12) -MAKE_EXCEPTION_VECTOR(13) -MAKE_EXCEPTION_VECTOR(14) -MAKE_EXCEPTION_VECTOR(15) -MAKE_EXCEPTION_VECTOR(16) -MAKE_EXCEPTION_VECTOR(17) -MAKE_EXCEPTION_VECTOR(18) -MAKE_EXCEPTION_VECTOR(19) - -MAKE_EXCEPTION_VECTOR(20) -MAKE_EXCEPTION_VECTOR(21) -MAKE_EXCEPTION_VECTOR(22) -MAKE_EXCEPTION_VECTOR(23) -MAKE_EXCEPTION_VECTOR(24) -MAKE_EXCEPTION_VECTOR(25) -MAKE_EXCEPTION_VECTOR(26) -MAKE_EXCEPTION_VECTOR(27) -MAKE_EXCEPTION_VECTOR(28) -MAKE_EXCEPTION_VECTOR(29) - -MAKE_EXCEPTION_VECTOR(30) -MAKE_EXCEPTION_VECTOR(31) -MAKE_EXCEPTION_VECTOR(32) -MAKE_EXCEPTION_VECTOR(33) -MAKE_EXCEPTION_VECTOR(34) -MAKE_EXCEPTION_VECTOR(35) -MAKE_EXCEPTION_VECTOR(36) -MAKE_EXCEPTION_VECTOR(37) -MAKE_EXCEPTION_VECTOR(38) -MAKE_EXCEPTION_VECTOR(39) - -MAKE_EXCEPTION_VECTOR(40) -MAKE_EXCEPTION_VECTOR(41) -MAKE_EXCEPTION_VECTOR(42) -MAKE_EXCEPTION_VECTOR(43) -MAKE_EXCEPTION_VECTOR(44) -MAKE_EXCEPTION_VECTOR(45) -MAKE_EXCEPTION_VECTOR(46) -MAKE_EXCEPTION_VECTOR(47) -MAKE_EXCEPTION_VECTOR(48) -MAKE_EXCEPTION_VECTOR(49) - 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-MAKE_EXCEPTION_VECTOR(170) -MAKE_EXCEPTION_VECTOR(171) -MAKE_EXCEPTION_VECTOR(172) -MAKE_EXCEPTION_VECTOR(173) -MAKE_EXCEPTION_VECTOR(174) -MAKE_EXCEPTION_VECTOR(175) -MAKE_EXCEPTION_VECTOR(176) -MAKE_EXCEPTION_VECTOR(177) -MAKE_EXCEPTION_VECTOR(178) -MAKE_EXCEPTION_VECTOR(179) - -MAKE_EXCEPTION_VECTOR(180) -MAKE_EXCEPTION_VECTOR(181) -MAKE_EXCEPTION_VECTOR(182) -MAKE_EXCEPTION_VECTOR(183) -MAKE_EXCEPTION_VECTOR(184) -MAKE_EXCEPTION_VECTOR(185) -MAKE_EXCEPTION_VECTOR(186) -MAKE_EXCEPTION_VECTOR(187) -MAKE_EXCEPTION_VECTOR(188) -MAKE_EXCEPTION_VECTOR(189) - -MAKE_EXCEPTION_VECTOR(190) -MAKE_EXCEPTION_VECTOR(191) -MAKE_EXCEPTION_VECTOR(192) -MAKE_EXCEPTION_VECTOR(193) -MAKE_EXCEPTION_VECTOR(194) -MAKE_EXCEPTION_VECTOR(195) -MAKE_EXCEPTION_VECTOR(196) -MAKE_EXCEPTION_VECTOR(197) -MAKE_EXCEPTION_VECTOR(198) -MAKE_EXCEPTION_VECTOR(199) - -MAKE_EXCEPTION_VECTOR(200) -MAKE_EXCEPTION_VECTOR(201) -MAKE_EXCEPTION_VECTOR(202) -MAKE_EXCEPTION_VECTOR(203) -MAKE_EXCEPTION_VECTOR(204) -MAKE_EXCEPTION_VECTOR(205) -MAKE_EXCEPTION_VECTOR(206) -MAKE_EXCEPTION_VECTOR(207) -MAKE_EXCEPTION_VECTOR(208) -MAKE_EXCEPTION_VECTOR(209) - -MAKE_EXCEPTION_VECTOR(210) -MAKE_EXCEPTION_VECTOR(211) -MAKE_EXCEPTION_VECTOR(212) -MAKE_EXCEPTION_VECTOR(213) -MAKE_EXCEPTION_VECTOR(214) -MAKE_EXCEPTION_VECTOR(215) -MAKE_EXCEPTION_VECTOR(216) -MAKE_EXCEPTION_VECTOR(217) -MAKE_EXCEPTION_VECTOR(218) -MAKE_EXCEPTION_VECTOR(219) - -MAKE_EXCEPTION_VECTOR(220) -MAKE_EXCEPTION_VECTOR(221) -MAKE_EXCEPTION_VECTOR(222) -MAKE_EXCEPTION_VECTOR(223) -MAKE_EXCEPTION_VECTOR(224) -MAKE_EXCEPTION_VECTOR(225) -MAKE_EXCEPTION_VECTOR(226) -MAKE_EXCEPTION_VECTOR(227) -MAKE_EXCEPTION_VECTOR(228) -MAKE_EXCEPTION_VECTOR(229) - -MAKE_EXCEPTION_VECTOR(230) -MAKE_EXCEPTION_VECTOR(231) -MAKE_EXCEPTION_VECTOR(232) -MAKE_EXCEPTION_VECTOR(233) -MAKE_EXCEPTION_VECTOR(234) -MAKE_EXCEPTION_VECTOR(235) -MAKE_EXCEPTION_VECTOR(236) -MAKE_EXCEPTION_VECTOR(237) -MAKE_EXCEPTION_VECTOR(238) -MAKE_EXCEPTION_VECTOR(239) - -MAKE_EXCEPTION_VECTOR(240) -MAKE_EXCEPTION_VECTOR(241) -MAKE_EXCEPTION_VECTOR(242) -MAKE_EXCEPTION_VECTOR(243) -MAKE_EXCEPTION_VECTOR(244) -MAKE_EXCEPTION_VECTOR(245) -MAKE_EXCEPTION_VECTOR(246) -MAKE_EXCEPTION_VECTOR(247) -MAKE_EXCEPTION_VECTOR(248) -MAKE_EXCEPTION_VECTOR(249) - -MAKE_EXCEPTION_VECTOR(250) -MAKE_EXCEPTION_VECTOR(251) -MAKE_EXCEPTION_VECTOR(252) -MAKE_EXCEPTION_VECTOR(253) -MAKE_EXCEPTION_VECTOR(254) -MAKE_EXCEPTION_VECTOR(255) - -| -| Start -| -| Entered from a hardware reset. -| - - .global start | Default entry point for GNU -start: - - move.w #0x2700,%sr | Disable all interrupts - - | - | Program the BAR, give us a stack !! - | - - moveq #0,%d0 - move.w #(MC68302_BASE >> 12),%d0 - or.w #(MC68302_BAR_FC_CFC << 12),%d0 - move.l #MC68302_BAR,%a0 - move.w %d0,%a0@(0) - - | - | watch for sign extended maths with the linker on (boot_phase_1-V___ISSP) - | manage the address with code, limited address of 2K at reset for CS0 - | - - move.l #boot_phase_1,%d0 - and.l #0x1FFF,%d0 - move.l %d0,%a0 - jsr %a0@(0) | programs all basic 302 registers - - | - | Map to the 68302 registers - | - - move.l #MC68302_BASE,%a5 - - | - | Make a vector table in RAM - | - - move.l #RAM_BASE,%a0 | a0 -> rom vector table - moveal #ROM_BASE,%a1 | d1 -> start of tmp SRAM - - move.l #255,%d0 - -copy_vec_table: - - move.l (%a0)+,%d1 - or.l #ROM_BASE,%d1 - move.l %d1,(%a1)+ - subq.l #1,%d0 - bne copy_vec_table - -#if defined(SYSTEM_TABLE_ANCHOR_OFFSET) - | - | Clear the system table - | - - move.l #SYSTEM_TABLE_ANCHOR_OFFSET,%a0 - move.l #0,(%a0) -#endif - - | - | Copy the chip select swap code to DPRAM and run it - | - - move.l #boot_phase_2,%d0 - and.l #(ROM_SIZE - 1),%d0 - move.l %d0,%a0 | a0 -> remap code - lea %a5@(0),%a1 | a1 -> internal system RAM - - move.l #boot_phase_3,%d0 - and.l #(ROM_SIZE - 1),%d0 - sub.l %a0,%d0 - -copy_remap: - move.b (%a0)+,(%a1)+ | copy - dbra %d0,copy_remap - - | - | Jump to the remap code in the 68302''s internal system RAM. - | - - jsr %a5@(0) | execute the swap code - - | - | Map to the 68302 registers - | - - move.l #MC68302_BASE,%a5 - - | - | Copy initialized data area from ROM to RAM - | - -copy_data: - moveal #etext,%a0 | find the end of .text - moveal #data_start,%a1 | find the beginning of .data - moveal #edata,%a2 | find the end of .data - -copy_data_loop: - - movel %a0@+,%a1@+ | copy the data - cmpal %a2,%a1 - jlt copy_data_loop | loop until edata reached - - | - | zero out uninitialized data area - | - -zerobss: - moveal #end,%a0 | find end of .bss - moveal #bss_start,%a1 | find beginning of .bss - moveq #0,%d0 - -zerobss_loop: - - movel %d0,%a1@+ | to zero out uninitialized - cmpal %a0,%a1 - jlt zerobss_loop | loop until _end reached - - movel #end,%d0 | d0 = end of bss/start of heap - addl #heap_size,%d0 | d0 = end of heap - - movel %d0,stack_start | Save for brk() routine - addl #stack_size,%d0 | make room for stack - andl #0xffffffc0,%d0 | align it on 16 byte boundary - - movw #0x3700,%sr | SUPV MODE,INTERRUPTS OFF!!! - movel %d0,%a7 | set master stack pointer - movel %d0,%a6 | set base pointer - - jsr boot_phase_3 - -| -| Create an unhandled exception jump table. The table has an entry for -| each vector in the vector table. The entry pushes the vector number onto -| the stack and then calls a common exception handler using PIC. -| -| The macros are to create the labels and format vectors. -| - -#define cat(x, y) x ## y -#define FORMAT_ID(n) (n << 2) -#define EXCEPTION_HANDLER(h, n) EH__##n: move.w cat(h, FORMAT_ID(n)),-(%sp) ; \ - bra common_exception_handler - -unhandled_exception: - -EXCEPTION_HANDLER(#, 0) -EXCEPTION_HANDLER(#, 1) -EXCEPTION_HANDLER(#, 2) -EXCEPTION_HANDLER(#, 3) -EXCEPTION_HANDLER(#, 4) -EXCEPTION_HANDLER(#, 5) -EXCEPTION_HANDLER(#, 6) -EXCEPTION_HANDLER(#, 7) -EXCEPTION_HANDLER(#, 8) -EXCEPTION_HANDLER(#, 9) - -EXCEPTION_HANDLER(#, 10) -EXCEPTION_HANDLER(#, 11) -EXCEPTION_HANDLER(#, 12) -EXCEPTION_HANDLER(#, 13) -EXCEPTION_HANDLER(#, 14) -EXCEPTION_HANDLER(#, 15) -EXCEPTION_HANDLER(#, 16) -EXCEPTION_HANDLER(#, 17) -EXCEPTION_HANDLER(#, 18) -EXCEPTION_HANDLER(#, 19) - -EXCEPTION_HANDLER(#, 20) -EXCEPTION_HANDLER(#, 21) -EXCEPTION_HANDLER(#, 22) -EXCEPTION_HANDLER(#, 23) -EXCEPTION_HANDLER(#, 24) -EXCEPTION_HANDLER(#, 25) -EXCEPTION_HANDLER(#, 26) -EXCEPTION_HANDLER(#, 27) -EXCEPTION_HANDLER(#, 28) -EXCEPTION_HANDLER(#, 29) - -EXCEPTION_HANDLER(#, 30) -EXCEPTION_HANDLER(#, 31) -EXCEPTION_HANDLER(#, 32) -EXCEPTION_HANDLER(#, 33) -EXCEPTION_HANDLER(#, 34) -EXCEPTION_HANDLER(#, 35) -EXCEPTION_HANDLER(#, 36) -EXCEPTION_HANDLER(#, 37) -EXCEPTION_HANDLER(#, 38) -EXCEPTION_HANDLER(#, 39) - -EXCEPTION_HANDLER(#, 40) -EXCEPTION_HANDLER(#, 41) -EXCEPTION_HANDLER(#, 42) -EXCEPTION_HANDLER(#, 43) -EXCEPTION_HANDLER(#, 44) -EXCEPTION_HANDLER(#, 45) -EXCEPTION_HANDLER(#, 46) -EXCEPTION_HANDLER(#, 47) -EXCEPTION_HANDLER(#, 48) -EXCEPTION_HANDLER(#, 49) - -EXCEPTION_HANDLER(#, 50) -EXCEPTION_HANDLER(#, 51) -EXCEPTION_HANDLER(#, 52) -EXCEPTION_HANDLER(#, 53) -EXCEPTION_HANDLER(#, 54) -EXCEPTION_HANDLER(#, 55) -EXCEPTION_HANDLER(#, 56) -EXCEPTION_HANDLER(#, 57) -EXCEPTION_HANDLER(#, 58) -EXCEPTION_HANDLER(#, 59) - -EXCEPTION_HANDLER(#, 60) -EXCEPTION_HANDLER(#, 61) -EXCEPTION_HANDLER(#, 62) -EXCEPTION_HANDLER(#, 63) -EXCEPTION_HANDLER(#, 64) -EXCEPTION_HANDLER(#, 65) -EXCEPTION_HANDLER(#, 66) -EXCEPTION_HANDLER(#, 67) -EXCEPTION_HANDLER(#, 68) -EXCEPTION_HANDLER(#, 69) - -EXCEPTION_HANDLER(#, 70) -EXCEPTION_HANDLER(#, 71) -EXCEPTION_HANDLER(#, 72) -EXCEPTION_HANDLER(#, 73) -EXCEPTION_HANDLER(#, 74) -EXCEPTION_HANDLER(#, 75) -EXCEPTION_HANDLER(#, 76) -EXCEPTION_HANDLER(#, 77) -EXCEPTION_HANDLER(#, 78) -EXCEPTION_HANDLER(#, 79) - -EXCEPTION_HANDLER(#, 80) -EXCEPTION_HANDLER(#, 81) -EXCEPTION_HANDLER(#, 82) -EXCEPTION_HANDLER(#, 83) -EXCEPTION_HANDLER(#, 84) -EXCEPTION_HANDLER(#, 85) -EXCEPTION_HANDLER(#, 86) -EXCEPTION_HANDLER(#, 87) -EXCEPTION_HANDLER(#, 88) -EXCEPTION_HANDLER(#, 89) - -EXCEPTION_HANDLER(#, 90) -EXCEPTION_HANDLER(#, 91) -EXCEPTION_HANDLER(#, 92) -EXCEPTION_HANDLER(#, 93) -EXCEPTION_HANDLER(#, 94) -EXCEPTION_HANDLER(#, 95) -EXCEPTION_HANDLER(#, 96) -EXCEPTION_HANDLER(#, 97) -EXCEPTION_HANDLER(#, 98) -EXCEPTION_HANDLER(#, 99) - -EXCEPTION_HANDLER(#, 100) -EXCEPTION_HANDLER(#, 101) -EXCEPTION_HANDLER(#, 102) -EXCEPTION_HANDLER(#, 103) -EXCEPTION_HANDLER(#, 104) -EXCEPTION_HANDLER(#, 105) -EXCEPTION_HANDLER(#, 106) -EXCEPTION_HANDLER(#, 107) -EXCEPTION_HANDLER(#, 108) -EXCEPTION_HANDLER(#, 109) - -EXCEPTION_HANDLER(#, 110) -EXCEPTION_HANDLER(#, 111) -EXCEPTION_HANDLER(#, 112) -EXCEPTION_HANDLER(#, 113) -EXCEPTION_HANDLER(#, 114) -EXCEPTION_HANDLER(#, 115) -EXCEPTION_HANDLER(#, 116) -EXCEPTION_HANDLER(#, 117) -EXCEPTION_HANDLER(#, 118) -EXCEPTION_HANDLER(#, 119) - -EXCEPTION_HANDLER(#, 120) -EXCEPTION_HANDLER(#, 121) -EXCEPTION_HANDLER(#, 122) -EXCEPTION_HANDLER(#, 123) -EXCEPTION_HANDLER(#, 124) -EXCEPTION_HANDLER(#, 125) -EXCEPTION_HANDLER(#, 126) -EXCEPTION_HANDLER(#, 127) -EXCEPTION_HANDLER(#, 128) -EXCEPTION_HANDLER(#, 129) - -EXCEPTION_HANDLER(#, 130) -EXCEPTION_HANDLER(#, 131) -EXCEPTION_HANDLER(#, 132) -EXCEPTION_HANDLER(#, 133) -EXCEPTION_HANDLER(#, 134) -EXCEPTION_HANDLER(#, 135) -EXCEPTION_HANDLER(#, 136) -EXCEPTION_HANDLER(#, 137) -EXCEPTION_HANDLER(#, 138) -EXCEPTION_HANDLER(#, 139) - -EXCEPTION_HANDLER(#, 140) -EXCEPTION_HANDLER(#, 141) -EXCEPTION_HANDLER(#, 142) -EXCEPTION_HANDLER(#, 143) -EXCEPTION_HANDLER(#, 144) -EXCEPTION_HANDLER(#, 145) -EXCEPTION_HANDLER(#, 146) -EXCEPTION_HANDLER(#, 147) -EXCEPTION_HANDLER(#, 148) -EXCEPTION_HANDLER(#, 149) - -EXCEPTION_HANDLER(#, 150) -EXCEPTION_HANDLER(#, 151) -EXCEPTION_HANDLER(#, 152) -EXCEPTION_HANDLER(#, 153) -EXCEPTION_HANDLER(#, 154) -EXCEPTION_HANDLER(#, 155) -EXCEPTION_HANDLER(#, 156) -EXCEPTION_HANDLER(#, 157) -EXCEPTION_HANDLER(#, 158) -EXCEPTION_HANDLER(#, 159) - -EXCEPTION_HANDLER(#, 160) -EXCEPTION_HANDLER(#, 161) -EXCEPTION_HANDLER(#, 162) -EXCEPTION_HANDLER(#, 163) -EXCEPTION_HANDLER(#, 164) -EXCEPTION_HANDLER(#, 165) -EXCEPTION_HANDLER(#, 166) -EXCEPTION_HANDLER(#, 167) -EXCEPTION_HANDLER(#, 168) -EXCEPTION_HANDLER(#, 169) - -EXCEPTION_HANDLER(#, 170) -EXCEPTION_HANDLER(#, 171) -EXCEPTION_HANDLER(#, 172) -EXCEPTION_HANDLER(#, 173) -EXCEPTION_HANDLER(#, 174) -EXCEPTION_HANDLER(#, 175) -EXCEPTION_HANDLER(#, 176) -EXCEPTION_HANDLER(#, 177) -EXCEPTION_HANDLER(#, 178) -EXCEPTION_HANDLER(#, 179) - -EXCEPTION_HANDLER(#, 180) -EXCEPTION_HANDLER(#, 181) -EXCEPTION_HANDLER(#, 182) -EXCEPTION_HANDLER(#, 183) -EXCEPTION_HANDLER(#, 184) -EXCEPTION_HANDLER(#, 185) -EXCEPTION_HANDLER(#, 186) -EXCEPTION_HANDLER(#, 187) -EXCEPTION_HANDLER(#, 188) -EXCEPTION_HANDLER(#, 189) - -EXCEPTION_HANDLER(#, 190) -EXCEPTION_HANDLER(#, 191) -EXCEPTION_HANDLER(#, 192) -EXCEPTION_HANDLER(#, 193) -EXCEPTION_HANDLER(#, 194) -EXCEPTION_HANDLER(#, 195) -EXCEPTION_HANDLER(#, 196) -EXCEPTION_HANDLER(#, 197) -EXCEPTION_HANDLER(#, 198) -EXCEPTION_HANDLER(#, 199) - -EXCEPTION_HANDLER(#, 200) -EXCEPTION_HANDLER(#, 201) -EXCEPTION_HANDLER(#, 202) -EXCEPTION_HANDLER(#, 203) -EXCEPTION_HANDLER(#, 204) -EXCEPTION_HANDLER(#, 205) -EXCEPTION_HANDLER(#, 206) -EXCEPTION_HANDLER(#, 207) -EXCEPTION_HANDLER(#, 208) -EXCEPTION_HANDLER(#, 209) - -EXCEPTION_HANDLER(#, 210) -EXCEPTION_HANDLER(#, 211) -EXCEPTION_HANDLER(#, 212) -EXCEPTION_HANDLER(#, 213) -EXCEPTION_HANDLER(#, 214) -EXCEPTION_HANDLER(#, 215) -EXCEPTION_HANDLER(#, 216) -EXCEPTION_HANDLER(#, 217) -EXCEPTION_HANDLER(#, 218) -EXCEPTION_HANDLER(#, 219) - -EXCEPTION_HANDLER(#, 220) -EXCEPTION_HANDLER(#, 221) -EXCEPTION_HANDLER(#, 222) -EXCEPTION_HANDLER(#, 223) -EXCEPTION_HANDLER(#, 224) -EXCEPTION_HANDLER(#, 225) -EXCEPTION_HANDLER(#, 226) -EXCEPTION_HANDLER(#, 227) -EXCEPTION_HANDLER(#, 228) -EXCEPTION_HANDLER(#, 229) - -EXCEPTION_HANDLER(#, 230) -EXCEPTION_HANDLER(#, 231) -EXCEPTION_HANDLER(#, 232) -EXCEPTION_HANDLER(#, 233) -EXCEPTION_HANDLER(#, 234) -EXCEPTION_HANDLER(#, 235) -EXCEPTION_HANDLER(#, 236) -EXCEPTION_HANDLER(#, 237) -EXCEPTION_HANDLER(#, 238) -EXCEPTION_HANDLER(#, 239) - -EXCEPTION_HANDLER(#, 240) -EXCEPTION_HANDLER(#, 241) -EXCEPTION_HANDLER(#, 242) -EXCEPTION_HANDLER(#, 243) -EXCEPTION_HANDLER(#, 244) -EXCEPTION_HANDLER(#, 245) -EXCEPTION_HANDLER(#, 246) -EXCEPTION_HANDLER(#, 247) -EXCEPTION_HANDLER(#, 248) -EXCEPTION_HANDLER(#, 249) - -EXCEPTION_HANDLER(#, 250) -EXCEPTION_HANDLER(#, 251) -EXCEPTION_HANDLER(#, 252) -EXCEPTION_HANDLER(#, 253) -EXCEPTION_HANDLER(#, 254) -EXCEPTION_HANDLER(#, 255) - - -common_exception_handler: - - | - | Need to put the format/vector above the PC and status register - | - - move.l %d0,-(%sp) | free a register - move.w 4(%sp),%d0 | get the format/vector id - - | - | If a bus error or address error then trash the extra - | data saved on the stack - | - - cmp.w #0x0008,%d0 - beq ceh_10 - - cmp.w #0x000C,%d0 - beq ceh_10 - - bra ceh_20 - -ceh_10: - - move.w %d0,12(%sp) | need to move the format/id - move.l (%sp)+,%d0 | recover d0 - addq #8,%sp | trash the stack - move.l %d0,-(%sp) | free a register, again - move.w 4(%sp),%d0 | get the format/vector id - -ceh_20: - - move.w 6(%sp),4(%sp) - move.w 8(%sp),6(%sp) - move.w 10(%sp),8(%sp) - move.w %d0,10(%sp) | put the format/vector id - move.l (%sp)+,%d0 - - | - | Save all the registers, pass control to a dump trace routine - | - - movem.l %d0-%d7/%a0-%a7,%sp@- - - | - | check to see if ROM is mapped to zero - | - - move.l #trace_exception,%d1 | get the linked address - and.l #(ROM_SIZE - 1),%d1 | obtain the offset into the ROM - lea.l %pc@(0),%a0 | were are we currently - move.l %a0,%d0 | need to use a data register - and.l #~(ROM_SIZE - 1),%d0 | keep the top part of the address - or.l %d1,%d0 | apply it to the trace exception offset - move.l %d0,%a0 | need an address register for jumping - jsr %a0@(0) - -ceh_30: - jmp ceh_30 -| -| The RAM based vector table -| - - .sect .vtable - - .global vector_table - -vector_table: - .space (256 * 4),0 - -| -| Initialised data -| - - .sect .data - - .global start_frame - -start_frame: - .space 4,0 - - .global stack_start - -stack_start: - .space 4,0 - -| -| Uninitialised data -| - - .sect .bss - - .global environ - .align 2 - -environ: - .long 0 - - .global heap_size - .set heap_size,0x2000 - - .global stack_size - .set stack_size,0x1000 - - diff --git a/c/src/lib/libbsp/powerpc/psim/startsim/Makefile.in b/c/src/lib/libbsp/powerpc/psim/startsim/Makefile.in deleted file mode 100644 index 95fe3bf7de..0000000000 --- a/c/src/lib/libbsp/powerpc/psim/startsim/Makefile.in +++ /dev/null @@ -1,65 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = ../../.. -subdir = powerpc/psim/startsim - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@ - -PGMS = ${ARCH}/startsim.o - -# C source names, if any, go here -- minus the .c -C_PIECES = -C_FILES = $(C_PIECES:%=%.c) -C_O_FILES = $(C_PIECES:%=${ARCH}/%.o) - -H_FILES = - -# Assembly source names, if any, go here -- minus the .S -S_PIECES = startsim -S_FILES = $(S_PIECES:%=%.S) -S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o) - -SRCS = $(C_FILES) $(CC_FILES) $(H_FILES) $(S_FILES) -OBJS = $(C_O_FILES) $(CC_O_FILES) $(S_O_FILES) - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/leaf.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ - -# -# (OPTIONAL) Add local stuff here using += -# - -DEFINES += -CPPFLAGS += -CFLAGS += - -LD_PATHS += -LD_LIBS += -LDFLAGS += - -# -# Add your list of files to delete here. The config files -# already know how to delete some stuff, so you may want -# to just run 'make clean' first to see what gets missed. -# 'make clobber' already includes 'make clean' -# - -CLEAN_ADDITIONS += -CLOBBER_ADDITIONS += - -all: ${ARCH} $(SRCS) $(OBJS) $(PGM) - $(INSTALL_VARIANT) -m 755 ${PGMS} $(PROJECT_RELEASE)/lib - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/libbsp/powerpc/psim/startsim/startsim.S b/c/src/lib/libbsp/powerpc/psim/startsim/startsim.S deleted file mode 100644 index f94a3ca330..0000000000 --- a/c/src/lib/libbsp/powerpc/psim/startsim/startsim.S +++ /dev/null @@ -1,106 +0,0 @@ -/* - * This is based on the mvme-crt0.S file from libgloss/rs6000. - * crt0.S -- startup file for PowerPC systems. - * - * Copyright (c) 1995 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - * - * $Id$ - */ - -#include "ppc-asm.h" - - .file "startsim.s" - .section ".got2","aw" - .align 2 - -.LCTOC1 = .+32768 - - .extern FUNC_NAME(atexit) - .globl FUNC_NAME(__atexit) - .section ".sdata","aw" - .align 2 -FUNC_NAME(__atexit): /* tell C's eabi-ctor's we have an atexit function */ - .long FUNC_NAME(atexit)@fixup /* and that it is to register __do_global_dtors */ - - .section ".fixup","aw" - .align 2 - .long FUNC_NAME(__atexit) - - .section ".got2","aw" -.Ltable = .-.LCTOC1 - .long .LCTOC1 /* address we think .LCTOC1 is loaded at */ - -.Lbss_start = .-.LCTOC1 - .long __bss_start - -.Lend = .-.LCTOC1 - .long _end - -.Lstack = .-.LCTOC1 /* stack address if set by user */ - .long __stack - - .text -.Lptr: - .long .LCTOC1-.Laddr - - .globl _start - .type _start,@function -_start: - bl .Laddr /* get current address */ -.Laddr: - mflr r4 /* real address of .Laddr */ - lwz r5,(.Lptr-.Laddr)(r4) /* linker generated address of .LCTOC1 */ - add r5,r5,r4 /* correct to real pointer */ - lwz r4,.Ltable(r5) /* get linker's idea of where .Laddr is */ - subf r4,r4,r5 /* calculate difference between where linked and current */ - - /* clear bss */ - lwz r6,.Lbss_start(r5) /* calculate beginning of the BSS */ - lwz r7,.Lend(r5) /* calculate end of the BSS */ - add r6,r6,r4 /* adjust pointers */ - add r7,r7,r4 - - cmplw 1,r6,r7 - bc 4,4,.Ldone - - subf r8,r6,r7 /* number of bytes to zero */ - srwi r9,r8,2 /* number of words to zero */ - mtctr r9 - li r0,0 /* zero to clear memory */ - addi r6,r6,-4 /* adjust so we can use stwu */ -.Lloop: - stwu r0,4(r6) /* zero bss */ - bdnz .Lloop - -.Ldone: - - lwz r0,.Lstack(r5) /* stack address or 0 */ - cmplwi 1,r0,0 /* equal to 0? */ - bc 12,6,.Lnostack /* use default stack if == 0 */ - mr sp,r0 /* use user defined stack */ - -.Lnostack: - /* set up initial stack frame */ - addi sp,sp,-4 /* make sure we don't overwrite debug mem */ - lis r0,0 - stw r0,0(sp) /* clear back chain */ - stwu sp,-56(sp) /* push another stack frame */ - - /* Let her rip */ - bl FUNC_NAME(boot_card) - - /* return value from boot_card is argument to exit */ - bl FUNC_NAME(exit) - trap -.Lstart: - .size _start,.Lstart-_start |