diff options
Diffstat (limited to 'c/src/lib/libbsp/mips')
36 files changed, 27 insertions, 3790 deletions
diff --git a/c/src/lib/libbsp/mips/csb350/Makefile.am b/c/src/lib/libbsp/mips/csb350/Makefile.am index fc43b2e3c4..a5c9de4e71 100644 --- a/c/src/lib/libbsp/mips/csb350/Makefile.am +++ b/c/src/lib/libbsp/mips/csb350/Makefile.am @@ -3,7 +3,7 @@ ACLOCAL_AMFLAGS = -I ../../../../aclocal include $(top_srcdir)/../../../../automake/compile.am include $(top_srcdir)/../../bsp.am -dist_project_lib_DATA = startup/bsp_specs +dist_project_lib_DATA = ../../../../../../bsps/mips/csb350/start/bsp_specs #isr @@ -20,9 +20,9 @@ librtemsbsp_a_SOURCES = # startup librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspfatal-default.c -librtemsbsp_a_SOURCES += startup/bspreset.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/csb350/start/bspreset.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspgetworkarea-default.c -librtemsbsp_a_SOURCES += startup/bspstart.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/csb350/start/bspstart.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/getentropy/getentropy-cpucounter.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/sbrk.c # clock diff --git a/c/src/lib/libbsp/mips/csb350/startup/bsp_specs b/c/src/lib/libbsp/mips/csb350/startup/bsp_specs deleted file mode 100644 index 87638cc027..0000000000 --- a/c/src/lib/libbsp/mips/csb350/startup/bsp_specs +++ /dev/null @@ -1,9 +0,0 @@ -%rename endfile old_endfile -%rename startfile old_startfile - -*startfile: -%{!qrtems: %(old_startfile)} \ -%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s}} - -*endfile: -%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s crtn.o%s} diff --git a/c/src/lib/libbsp/mips/csb350/startup/bspreset.c b/c/src/lib/libbsp/mips/csb350/startup/bspreset.c deleted file mode 100644 index 811a6f96c7..0000000000 --- a/c/src/lib/libbsp/mips/csb350/startup/bspreset.c +++ /dev/null @@ -1,24 +0,0 @@ -/* - * COPYRIGHT (c) 1989-2008. - * 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.rtems.org/license/LICENSE. - */ - -#include <rtems.h> -#include <bsp/bootcard.h> -#include <libcpu/au1x00.h> - -void bsp_reset(void) -{ - void (*reset_func)(void); - - reset_func = (void *)0xbfc00000; - - mips_set_sr( 0x00200000 ); /* all interrupts off, boot exception vectors */ - - /* Try to restart bootloader */ - reset_func(); -} diff --git a/c/src/lib/libbsp/mips/csb350/startup/bspstart.c b/c/src/lib/libbsp/mips/csb350/startup/bspstart.c deleted file mode 100644 index 5b9a6aed82..0000000000 --- a/c/src/lib/libbsp/mips/csb350/startup/bspstart.c +++ /dev/null @@ -1,44 +0,0 @@ -/** - * @file - * - * This routine starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before this routine is invoked. - */ - -/* - * COPYRIGHT (c) 1989-2012. - * 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.rtems.org/license/LICENSE. - */ - -#include <string.h> - -#include <bsp.h> -#include <libcpu/au1x00.h> -#include <libcpu/isr_entries.h> -#include <bsp/irq-generic.h> - -void bsp_start( void ); - -au1x00_uart_t *uart0 = (au1x00_uart_t *)AU1X00_UART0_ADDR; -au1x00_uart_t *uart3 = (au1x00_uart_t *)AU1X00_UART3_ADDR; - -/* - * bsp_start - * - * This routine does the bulk of the system initialization. - */ -void bsp_start( void ) -{ - unsigned int compare = 0; - - mips_set_sr( 0x7f00 ); /* all interrupts unmasked but globally off */ - /* depend on the IRC to take care of things */ - __asm__ volatile ("mtc0 %0, $11\n" :: "r" (compare)); - bsp_interrupt_initialize(); -} diff --git a/c/src/lib/libbsp/mips/csb350/startup/linkcmds b/c/src/lib/libbsp/mips/csb350/startup/linkcmds deleted file mode 100644 index b11b73bf42..0000000000 --- a/c/src/lib/libbsp/mips/csb350/startup/linkcmds +++ /dev/null @@ -1,235 +0,0 @@ -/* - * Linker script for CSB350 AU1100 based board - */ - -/* . = 0x80020000; */ - -/* - * Declare some sizes. - */ - -_sdram_base = DEFINED(_sdram_base) ? _sdram_base : 0x80400000; -_sdram_size = DEFINED(_sdram_size) ? _sdram_size : 12M; - -/* standard items provided by RTEMS linkcmds files */ -RamBase = _sdram_base; -RamSize = _sdram_size; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; -_StackSize = DEFINED(_StackSize) ? _StackSize : 0x4000; - -ENTRY(_start) -STARTUP(start.o) - -MEMORY -{ - ram : ORIGIN = 0x80400000, LENGTH = 12M -} - -SECTIONS -{ - .text : - { - _ftext = . ; - - */start.o(.text) - - *(.text*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - *(.reginfo*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - *(.rel.dyn) - PROVIDE (__runtime_reloc_stop = .); - - /* - * Special FreeBSD sysctl sections. - */ - . = ALIGN (16); - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = ABSOLUTE(.); - *(set_domain_*); - *(set_pseudo_*); - - *(.gcc_except_table*) - *(.eh_frame_hdr) - *(.eh_frame) - } >ram - - .init : - { - KEEP(*(.init)) - - } > ram - - .fini : - { - KEEP(*(.fini)) - - } >ram - - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } >ram - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - - etext = .; - _etext = .; - } >ram - - - - .rdata : - { - *(.rdata) - *(.rodata) - *(.rodata.*) - KEEP (*(SORT(.rtemsroset.*))) - *(.gnu.linkonce.r*) - } >ram - - .tdata : { - _TLS_Data_begin = .; - *(.tdata .tdata.* .gnu.linkonce.td.*) - _TLS_Data_end = .; - } >ram - - .tbss : { - _TLS_BSS_begin = .; - *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) - _TLS_BSS_end = .; - } >ram - - _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; - _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; - _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; - _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; - _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; - _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); - - .data : - { - _fdata = ALIGN(16); - - *(.data) - *(.data.*) - KEEP (*(SORT(.rtemsrwset.*))) - *(.gnu.linkonce.d*) - } >ram - - .jcr : - { - . = ALIGN(8); - KEEP (*(.jcr)) - - _gp = ALIGN(16) + 0x7440; - __global = _gp; - } >ram - - .lit8 : - { - *(.lit8) - } >ram - - .lit4 : - { - *(.lit4) - } >ram - - .sdata : - { - *(.sdata*) - *(.gnu.linkonce.s*) - } >ram - - .sbss : - { - edata = .; - _edata = .; - _fbss = .; - *(.sbss*) - *(.scommon) - } >ram - - - .bss : - { - _bss_start = . ; - *(.bss .bss.* .gnu.linkonce.b.*) - *(COMMON) - . = ALIGN (64); - _stack_limit = .; - . += _StackSize; - __stack = .; - _stack_init = .; - _clear_end = .; - end = .; - _end = .; - . = ALIGN (1024); - WorkAreaBase = .; - - } >ram - - -/* -** DWARF debug sections. -** Symbols in the DWARF debugging sections are relative to -** the beginning of the section so we begin them at 0. -*/ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame)} - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/c/src/lib/libbsp/mips/hurricane/Makefile.am b/c/src/lib/libbsp/mips/hurricane/Makefile.am index 61a75df178..ed952418d0 100644 --- a/c/src/lib/libbsp/mips/hurricane/Makefile.am +++ b/c/src/lib/libbsp/mips/hurricane/Makefile.am @@ -3,7 +3,7 @@ ACLOCAL_AMFLAGS = -I ../../../../aclocal include $(top_srcdir)/../../../../automake/compile.am include $(top_srcdir)/../../bsp.am -dist_project_lib_DATA = startup/bsp_specs +dist_project_lib_DATA = ../../../../../../bsps/mips/hurricane/start/bsp_specs #isr @@ -22,14 +22,14 @@ librtemsbsp_a_SOURCES = librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspfatal-default.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspgetworkarea-default.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspreset-empty.c -librtemsbsp_a_SOURCES += startup/bspstart.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/hurricane/start/bspstart.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/getentropy/getentropy-cpucounter.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/sbrk.c -librtemsbsp_a_SOURCES += startup/inittlb.c -librtemsbsp_a_SOURCES += ../shared/startup/idtmem.S -librtemsbsp_a_SOURCES += ../shared/startup/idttlb.S +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/hurricane/start/inittlb.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/shared/start/idtmem.S +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/shared/start/idttlb.S librtemsbsp_a_SOURCES += ../shared/irq/exception.S -librtemsbsp_a_SOURCES += startup/usc.S +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/hurricane/start/usc.S # clock librtemsbsp_a_SOURCES +=../../../../../../bsps/mips/hurricane/clock/ckinit.c diff --git a/c/src/lib/libbsp/mips/hurricane/startup/bsp_specs b/c/src/lib/libbsp/mips/hurricane/startup/bsp_specs deleted file mode 100644 index 87638cc027..0000000000 --- a/c/src/lib/libbsp/mips/hurricane/startup/bsp_specs +++ /dev/null @@ -1,9 +0,0 @@ -%rename endfile old_endfile -%rename startfile old_startfile - -*startfile: -%{!qrtems: %(old_startfile)} \ -%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s}} - -*endfile: -%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s crtn.o%s} diff --git a/c/src/lib/libbsp/mips/hurricane/startup/bspstart.c b/c/src/lib/libbsp/mips/hurricane/startup/bspstart.c deleted file mode 100644 index 8b36b58628..0000000000 --- a/c/src/lib/libbsp/mips/hurricane/startup/bspstart.c +++ /dev/null @@ -1,39 +0,0 @@ -/** - * @file - * - * This routine starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before this routine is invoked. - */ - -/* - * COPYRIGHT (c) 1989-2012. - * 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.rtems.org/license/LICENSE. - */ - -#include <string.h> - -#include <bsp.h> -#include <libcpu/isr_entries.h> -#include <bsp/irq-generic.h> - -void bsp_start( void ); -uint32_t bsp_clicks_per_microsecond; - -/* - * bsp_start - * - * This routine does the bulk of the system initialization. - */ -void bsp_start( void ) -{ - - bsp_clicks_per_microsecond = CPU_CLOCK_RATE_MHZ; - - bsp_interrupt_initialize(); -} diff --git a/c/src/lib/libbsp/mips/hurricane/startup/ghlinkcmds b/c/src/lib/libbsp/mips/hurricane/startup/ghlinkcmds deleted file mode 100644 index 9b6c6dce87..0000000000 --- a/c/src/lib/libbsp/mips/hurricane/startup/ghlinkcmds +++ /dev/null @@ -1,19 +0,0 @@ -# -# ghlinkcmds -# - --map --sec -{ - .text 0x80010000 : - .data align(16) : - .rodata : - .fini : -# .sdata : - .symtab : - .strtab : - .debug : -# .sbss : - .bss align(8) : - .init 0xbfc00000 : -} diff --git a/c/src/lib/libbsp/mips/hurricane/startup/inittlb.c b/c/src/lib/libbsp/mips/hurricane/startup/inittlb.c deleted file mode 100644 index 800cf3d23c..0000000000 --- a/c/src/lib/libbsp/mips/hurricane/startup/inittlb.c +++ /dev/null @@ -1,10 +0,0 @@ -#include <bsp.h> -#include <rtems/mips/idtcpu.h> - -void init_tlb(void) -{ - int i; - - for (i = 0; i < N_TLB_ENTRIES; i++ ) - resettlb(i); -} diff --git a/c/src/lib/libbsp/mips/hurricane/startup/linkcmds b/c/src/lib/libbsp/mips/hurricane/startup/linkcmds deleted file mode 100644 index 4e10c29f6e..0000000000 --- a/c/src/lib/libbsp/mips/hurricane/startup/linkcmds +++ /dev/null @@ -1,188 +0,0 @@ -/* - * linkcmds - */ - -/* - * Declare some sizes. - */ -RamBase = DEFINED(RamBase) ? RamBase : 0x80000000; -RamSize = DEFINED(RamSize) ? RamSize : 4M; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; -_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; - -ENTRY(start) -STARTUP(start.o) - -SECTIONS -{ - /* 0x80000000 - 0x8001FFFF used by PMON (with 0x80010000 - 0x8001FFFF as heap for symbol storage) - 0x80020000 - 0x8002FFFF reserved for shared memory - 0x80030000 beginning of text (code) section - */ - .text 0x80030000 : - { - _ftext = . ; - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - - /* - * Special FreeBSD sysctl sections. - */ - . = ALIGN (16); - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = ABSOLUTE(.); - *(set_domain_*); - *(set_pseudo_*); - - *(.gcc_except_table*) - *(.eh_frame_hdr) - *(.eh_frame) - } - - .init : - { - KEEP(*crti.o(.init)) - KEEP(*(.init)) - KEEP(*crtn.o(.init)) - } - - .fini : - { - KEEP(*crti.o(.fini)) - KEEP(*(.fini)) - KEEP(*crtn.o(.fini)) - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - - etext = .; - _etext = .; - } - - .rdata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - KEEP (*(SORT(.rtemsroset.*))) - *(.gnu.linkonce.r*) - } - - .tdata : { - _TLS_Data_begin = .; - *(.tdata .tdata.* .gnu.linkonce.td.*) - _TLS_Data_end = .; - } - - .tbss : { - _TLS_BSS_begin = .; - *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) - _TLS_BSS_end = .; - } - - _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; - _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; - _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; - _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; - _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; - _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); - - _fdata = ALIGN(16); - - .data : { - *(.data) - *(.data.*) - KEEP (*(SORT(.rtemsrwset.*))) - *(.gnu.linkonce.d*) - SORT(CONSTRUCTORS) - } - . = ALIGN(8); - - .jcr : { - KEEP (*(.jcr)) - } - - _gp = ALIGN(16) + 0x8000; - __global = _gp; - - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - - edata = .; - _edata = .; - _fbss = .; - - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - . = ALIGN (64); - _stack_limit = .; - . += _StackSize; - __stack = .; - _stack_init = .; - end = .; - _end = .; - WorkAreaBase = .; - } - - - /* Debug sections. These should never be loadable, but they must have - zero addresses for the debuggers to work correctly. */ - .line 0 : { *(.line) } - .debug 0 : { *(.debug) } - .debug_sfnames 0 : { *(.debug_sfnames) } - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_macinfo 0 : { *(.debug_macinfo) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_aranges 0 : { *(.debug_aranges) } -} diff --git a/c/src/lib/libbsp/mips/hurricane/startup/usc.S b/c/src/lib/libbsp/mips/hurricane/startup/usc.S deleted file mode 100644 index 887290e2a9..0000000000 --- a/c/src/lib/libbsp/mips/hurricane/startup/usc.S +++ /dev/null @@ -1,180 +0,0 @@ -/* usc.S - * - * COPYRIGHT (c) 1989-2010. - * 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.rtems.org/license/LICENSE. - */ - -#include <bspopts.h> -#include <rtems/asm.h> -#include <rtems/mips/iregdef.h> -#include <rtems/mips/idtcpu.h> -#if BSP_HAS_USC320 - #include <usc.h> -#endif - - -/*************************************************************************** -** -** The following code was added to support boards using V3 USC320 -** system controller chip. -** -****************************************************************************/ - -/************************************************************* -* init_hbt() -* Initialize the heartbeat timer -*/ -FRAME(init_hbt,sp,0,ra) - .set noreorder - la t0,SYSTEM # Unlock USC registers - li t1,0xA5 - sb t1,(t0) - - la t0,WD_HBI # Initialize heatbeat and watchdog timers - - # (1 / 64 MHz) * 4000 * (63 + 1) = 4000.0 microseconds - # Watchdog period is heartbeat period times watchdog timer constant (bits 7 - 0) - # Watchdog period = 4000 * 5 = 20000 microseconds - li t1,(WD_EN | HBI_4000_PS | 0x00003F00 | 0x5) - - # (1 / 64 MHz) * 4000 * (15 + 1) = 1000.0 microseconds - # Watchdog period is heartbeat period times watchdog timer constant (bits 7 - 0) - # Watchdog period = 1000 * 20 = 20000 microseconds - li t1,(WD_EN | HBI_4000_PS | 0x00000F00 | 0x14) - - # (1 / 64 MHz) * 40000 * (15 + 1) = 10000.0 microseconds - # Watchdog period is heartbeat period times watchdog timer constant (bits 7 - 0) - # Watchdog period = 10000 * 20 = 200000 microseconds - li t1,(WD_EN | HBI_4000_PS | 0x00009600 | 0x14) - - sw t1,(t0) - - la t0,SYSTEM # Lock USC registers - li t1,0x60 - sb t1,(t0) - - .set reorder - j ra - nop - .set reorder -ENDFRAME(init_hbt) - -/************************************************************* -* reset_wdt() -* Reset the watchdog timer -*/ -FRAME(reset_wdt,sp,0,ra) - .set noreorder - - la t0,WD_HBI+2 # Load address watchdog timer reset byte - li t1,WD_INIT - sb t1,(t0) - - .set reorder - j ra - nop - .set reorder -ENDFRAME(reset_wdt) - -/************************************************************* -* disable_wdt() -* Disable watchdog timer -*/ -FRAME(disable_wdt,sp,0,ra) - .set noreorder - la t0,WD_HBI # Clear watchdog enable bit in control register - lw t1,(t0) - li t2,~WD_EN - and t1,t1,t2 - sw t1,(t0) - - .set reorder - j ra - nop - .set reorder -ENDFRAME(disable_wdt) - -/************************************************************* -* enable_hbi(ints) -* Enable the heartbeat interrupt -*/ -FRAME(enable_hbi,sp,0,ra) - .set noreorder - - la t0,INT_CFG3 # Enable heartbeat interrupt in USC320 - lw t1,(t0) - li t2,(HBI_MASK | MODE_TOTEM_POLE) - or t1,t1,t2 - sw t1,(t0) - - .set reorder - j ra - nop - .set reorder -ENDFRAME(enable_hbi) - -/************************************************************* -* disable_hbi(ints) -* Disable the heartbeat interrupt -*/ -FRAME(disable_hbi,sp,0,ra) - .set noreorder - la t0,INT_CFG3 # Disable heartbeat interrupt in USC320 - lw t1,(t0) - li t2,~HBI_MASK - and t1,t1,t2 - sw t1,(t0) - - .set reorder - j ra - nop - .set reorder -ENDFRAME(disable_hbi) - - -/************************************************************* -* enable_wdi() -* Enable the watchdog interrupt -*/ -FRAME(enable_wdi,sp,0,ra) - .set noreorder - - la t0,INT_CFG1 # Enable watchdog interrupt in USC320 - lw t1,(t0) - li t2,(WDI_MASK | MODE_TOTEM_POLE) - or t1,t1,t2 - sw t1,(t0) - - .set reorder - j ra - nop - .set reorder -ENDFRAME(enable_wdi) - -/************************************************************* -* disable_wdi(ints) -* Disable the watchdog interrupt -*/ -FRAME(disable_wdi,sp,0,ra) - .set noreorder - - la t0,INT_CFG1 # Disable watchdog interrupt in USC320 - lw t1,(t0) - li t2,~(WDI_MASK | MODE_TOTEM_POLE) - and t1,t1,t2 - sw t1,(t0) - - la t0,INT_STAT # Clear watchdog interrupt status bit - li t1,WDI_MASK - sw t1,(t0) - - .set reorder - j ra - nop - .set reorder -ENDFRAME(disable_wdi) - diff --git a/c/src/lib/libbsp/mips/jmr3904/Makefile.am b/c/src/lib/libbsp/mips/jmr3904/Makefile.am index 9c9ffcf56d..b0bb53711a 100644 --- a/c/src/lib/libbsp/mips/jmr3904/Makefile.am +++ b/c/src/lib/libbsp/mips/jmr3904/Makefile.am @@ -3,7 +3,7 @@ ACLOCAL_AMFLAGS = -I ../../../../aclocal include $(top_srcdir)/../../../../automake/compile.am include $(top_srcdir)/../../bsp.am -dist_project_lib_DATA = startup/bsp_specs +dist_project_lib_DATA = ../../../../../../bsps/mips/jmr3904/start/bsp_specs #isr @@ -21,7 +21,7 @@ librtemsbsp_a_SOURCES = # startup librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspfatal-default.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspgetworkarea-default.c -librtemsbsp_a_SOURCES += startup/bspstart.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/jmr3904/start/bspstart.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/getentropy/getentropy-cpucounter.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/sbrk.c # clock diff --git a/c/src/lib/libbsp/mips/jmr3904/startup/bsp_specs b/c/src/lib/libbsp/mips/jmr3904/startup/bsp_specs deleted file mode 100644 index 87638cc027..0000000000 --- a/c/src/lib/libbsp/mips/jmr3904/startup/bsp_specs +++ /dev/null @@ -1,9 +0,0 @@ -%rename endfile old_endfile -%rename startfile old_startfile - -*startfile: -%{!qrtems: %(old_startfile)} \ -%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s}} - -*endfile: -%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s crtn.o%s} diff --git a/c/src/lib/libbsp/mips/jmr3904/startup/bspstart.c b/c/src/lib/libbsp/mips/jmr3904/startup/bspstart.c deleted file mode 100644 index 829c8400d8..0000000000 --- a/c/src/lib/libbsp/mips/jmr3904/startup/bspstart.c +++ /dev/null @@ -1,65 +0,0 @@ -/** - * @file - * - * This routine starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before this routine is invoked. - */ - -/* - * COPYRIGHT (c) 1989-2012. - * 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.rtems.org/license/LICENSE. - */ - -#include <bsp.h> -#include <libcpu/isr_entries.h> -#include <bsp/bootcard.h> -#include <bsp/irq-generic.h> -#include <bsp/irq.h> -#include <bsp/irq-generic.h> - -/* Structure filled in by get_mem_info. Only the size field is - * actually used (to clear bss), so the others aren't even filled in. - */ -struct s_mem -{ - unsigned int size; - unsigned int icsize; - unsigned int dcsize; -}; - -void bsp_start( void ); -void clear_cache( void *address, size_t n ); -void get_mem_info( struct s_mem *mem ); - -/* - * bsp_start - * - * This routine does the bulk of the system initialization. - */ -void bsp_start( void ) -{ - mips_set_sr( 0xff00 ); /* all interrupts unmasked but globally off */ - /* depend on the IRC to take care of things */ - bsp_interrupt_initialize(); -} - -/* - * Required routine by some gcc run-times. - */ -void clear_cache( void *address, size_t n ) -{ -} - - -void get_mem_info( - struct s_mem *mem -) -{ - mem->size = 0x1000000; /* XXX figure out something here */ -} diff --git a/c/src/lib/libbsp/mips/jmr3904/startup/linkcmds b/c/src/lib/libbsp/mips/jmr3904/startup/linkcmds deleted file mode 100644 index 12a8a65b09..0000000000 --- a/c/src/lib/libbsp/mips/jmr3904/startup/linkcmds +++ /dev/null @@ -1,212 +0,0 @@ -/* - * Based on jmr3904app-dram.ld from newlib 1.8.2 - */ - -/* - * Declare some sizes. - */ -RamBase = DEFINED(RamBase) ? RamBase : 0x88000000; -RamSize = DEFINED(RamSize) ? RamSize : 4M; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; -_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; - -ENTRY(_start) -STARTUP(start.o) - -SECTIONS -{ - . = 0x88000000; - .text : - { - _ftext = . ; - eprol = .; - *(.text*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - - *(.gcc_except_table*) - *(.eh_frame_hdr) - *(.eh_frame) - } - - .rtemsroset : { - /* for pre rtems-libbsd FreeBSD code */ - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = .; - *(set_domain_*); - *(set_pseudo_*); - - KEEP (*(SORT(.rtemsroset.*))) - - . = ALIGN (16); - _endtext = .; - } - - .init : - { - KEEP(*(.init)) - } - - .fini : - { - KEEP(*(.fini)) - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - - etext = .; - _etext = .; - } - - .rdata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - - .tdata : { - _TLS_Data_begin = .; - *(.tdata .tdata.* .gnu.linkonce.td.*) - _TLS_Data_end = .; - } - - .tbss : { - _TLS_BSS_begin = .; - *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) - _TLS_BSS_end = .; - } - - _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; - _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; - _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; - _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; - _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; - _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); - - _fdata = ALIGN(16); - - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - SORT(CONSTRUCTORS) - } - - .rtemsrwset : { - KEEP (*(SORT(.rtemsrwset.*))) - } - . = ALIGN(8); - - .jcr : { - KEEP (*(.jcr)) - } - - _gp = ALIGN(16) + 0x7440; - __global = _gp; - - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - - edata = .; - _edata = .; - _fbss = .; - - .sbss : { - *(.sbss*) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss*) - *(COMMON) - . = ALIGN (64); - _stack_limit = .; - . += _StackSize; - __stack = .; - _stack_init = .; - WorkAreaBase = .; - _clear_end = .; - } - . = 0x88400000; /* reserve some memory for Work Area */ - end = .; - _end = .; - - -/* Put starting stack in SRAM (8 Kb); this size is the same as the stack from - the original script (when everything was in SRAM). */ - /* __stack = 0x8000A000; */ - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/c/src/lib/libbsp/mips/malta/Makefile.am b/c/src/lib/libbsp/mips/malta/Makefile.am index b7bea74064..ce78801123 100644 --- a/c/src/lib/libbsp/mips/malta/Makefile.am +++ b/c/src/lib/libbsp/mips/malta/Makefile.am @@ -6,7 +6,7 @@ ACLOCAL_AMFLAGS = -I ../../../../aclocal include $(top_srcdir)/../../../../automake/compile.am include $(top_srcdir)/../../bsp.am -dist_project_lib_DATA = startup/bsp_specs +dist_project_lib_DATA = ../../../../../../bsps/mips/malta/start/bsp_specs #isr #pci @@ -23,15 +23,15 @@ project_lib_LIBRARIES = librtemsbsp.a librtemsbsp_a_SOURCES = # startup -librtemsbsp_a_SOURCES += startup/simple_access.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/malta/start/simple_access.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspfatal-default.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspgetworkarea-default.c -librtemsbsp_a_SOURCES += startup/bspstart.c -librtemsbsp_a_SOURCES += startup/bspreset.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/malta/start/bspstart.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/malta/start/bspreset.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/getentropy/getentropy-cpucounter.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/sbrk.c -librtemsbsp_a_SOURCES += startup/inittlb.c -librtemsbsp_a_SOURCES += ../shared/startup/idttlb.S +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/malta/start/inittlb.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/shared/start/idttlb.S # clock librtemsbsp_a_SOURCES +=../../../../../../bsps/mips/shared/clock/clockdrv.c diff --git a/c/src/lib/libbsp/mips/malta/startup/bsp_specs b/c/src/lib/libbsp/mips/malta/startup/bsp_specs deleted file mode 100644 index 87638cc027..0000000000 --- a/c/src/lib/libbsp/mips/malta/startup/bsp_specs +++ /dev/null @@ -1,9 +0,0 @@ -%rename endfile old_endfile -%rename startfile old_startfile - -*startfile: -%{!qrtems: %(old_startfile)} \ -%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s}} - -*endfile: -%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s crtn.o%s} diff --git a/c/src/lib/libbsp/mips/malta/startup/bspreset.c b/c/src/lib/libbsp/mips/malta/startup/bspreset.c deleted file mode 100644 index 6d406ea943..0000000000 --- a/c/src/lib/libbsp/mips/malta/startup/bspreset.c +++ /dev/null @@ -1,34 +0,0 @@ -/** - * @file - * - * This file contains the code necessary to reset the Malta board. - */ - -/* - * COPYRIGHT (c) 1989-2012. - * 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.rtems.org/license/LICENSE. - */ - -#include <rtems.h> -#include <bsp/bootcard.h> - -void bsp_reset(void) -{ - uint32_t *reset; - - reset= (uint32_t *)0x9F000500; - /* - * Qemu understands 0x42 to reset simulated machine. - * We added code to recognize 0xFF to exit simulator. - * - * TBD: Qemu PC simulation has option to exit on reset. - * find processing of that command line option and - * use it to change behaviour of 0x42. - */ - // *reset = 0x42; - *reset = 0xFF; -} diff --git a/c/src/lib/libbsp/mips/malta/startup/bspstart.c b/c/src/lib/libbsp/mips/malta/startup/bspstart.c deleted file mode 100644 index 58eee11027..0000000000 --- a/c/src/lib/libbsp/mips/malta/startup/bspstart.c +++ /dev/null @@ -1,113 +0,0 @@ -/** - * @file - * - * This file contains the bsp_start() method and support. - */ - -/* - * COPYRIGHT (c) 1989-2012. - * 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.rtems.org/license/LICENSE. - */ - -#include <bsp.h> -#include <libcpu/isr_entries.h> -#include <bsp/bootcard.h> -#include <rtems/pci.h> -#include <bsp/irq-generic.h> -#include <bsp/i8259.h> - -/* - * STRUCTURES - */ - -/* Structure filled in by get_mem_info. Only the size field is - * actually used (to clear bss), so the others aren't even filled in. - */ -struct s_mem -{ - unsigned int size; - unsigned int icsize; - unsigned int dcsize; -}; - - -/* - * GLOBALS - */ -uint32_t bsp_clicks_per_microsecond; - - -/* - * PROTOTYPES - */ -void clear_cache( void *address, size_t n ); -void get_mem_info( struct s_mem *mem ); - -/* - * EXTERNs - */ -extern int RamSize; - -/* - * bsp_start - * - * This routine does the bulk of the system initialization. - */ -void bsp_start( void ) -{ - /* uint32_t board_ID = 0x420; */ - static int j = 1; - int pci_init_retval; - - /* - * Note: This is the value that works for qemu, and it was - * unable to be validated on the actual hardware. - */ - mips_set_sr( 0x04100000 ); - - bsp_interrupt_initialize(); - - /* - * XXX need to figure out a real value. :) - * This works for the qemu simulation, but timeing may - * be off for the actual hardware. - */ - bsp_clicks_per_microsecond = 100; - - #if 1 - while ( j != 1 ) { - int i; - printk ("."); - for (i=0; i<1000; i++); - } - #endif - - /* - * init PCI Bios interface... - */ - pci_init_retval = pci_initialize(); - if (pci_init_retval != PCIB_ERR_SUCCESS) { - printk("PCI bus: could not initialize PCI BIOS interface\n"); - } - - BSP_i8259s_init(); - -} - -/* - * Required routine by some gcc run-times. - */ -void clear_cache( void *address, size_t n ) -{ -} - -void get_mem_info( - struct s_mem *mem -) -{ - mem->size = (int) (&RamSize); /* Normally 128 or 256 MB */ -} diff --git a/c/src/lib/libbsp/mips/malta/startup/inittlb.c b/c/src/lib/libbsp/mips/malta/startup/inittlb.c deleted file mode 100644 index 0088b98483..0000000000 --- a/c/src/lib/libbsp/mips/malta/startup/inittlb.c +++ /dev/null @@ -1,27 +0,0 @@ -/** - * @file - */ - -/* - * COPYRIGHT (c) 1989-2012. - * 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.rtems.org/license/LICENSE. - */ - -#include <bsp.h> -#include <rtems/mips/idtcpu.h> - -extern void resettlb( int i ); - -void init_tlb(void); - -void init_tlb(void) -{ - int i; - - for (i = 0; i < N_TLB_ENTRIES; i++ ) - resettlb(i); -} diff --git a/c/src/lib/libbsp/mips/malta/startup/linkcmds b/c/src/lib/libbsp/mips/malta/startup/linkcmds deleted file mode 100644 index 3a71c5af8b..0000000000 --- a/c/src/lib/libbsp/mips/malta/startup/linkcmds +++ /dev/null @@ -1,213 +0,0 @@ -/* - * MIPS Malta Linker Script - */ - -/* - * Declare some sizes. - */ -RamBase = DEFINED(RamBase) ? RamBase : 0x80000000; -RamSize = DEFINED(RamSize) ? RamSize : 128M; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; -_StackSize = DEFINED(_StackSize) ? _StackSize : 0x2000; - -ENTRY(_start) -STARTUP(start.o) - -SECTIONS -{ - . = 0x80010000; - .text : - { - _ftext = . ; - eprol = .; - *(.text*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - - *(.gcc_except_table*) - *(.eh_frame_hdr) - *(.eh_frame) - } - - .init : - { - KEEP(*(.init)) - } - - .fini : - { - KEEP(*(.fini)) - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - - etext = .; - _etext = .; - } - - .rtemsroset : { - /* for pre rtems-libbsd FreeBSD code */ - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = .; - *(set_domain_*); - *(set_pseudo_*); - - KEEP (*(SORT(.rtemsroset.*))) - - . = ALIGN (16); - _endtext = .; - } - - .rdata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r*) - } - - .tdata : { - _TLS_Data_begin = .; - *(.tdata .tdata.* .gnu.linkonce.td.*) - _TLS_Data_end = .; - } - - .tbss : { - _TLS_BSS_begin = .; - *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) - _TLS_BSS_end = .; - } - - _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; - _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; - _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; - _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; - _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; - _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); - - _fdata = ALIGN(16); - - .data : { - *(.data) - *(.data.*) - *(.gnu.linkonce.d*) - SORT(CONSTRUCTORS) - } - - .rtemsrwset : { - KEEP (*(SORT(.rtemsrwset.*))) - } - - . = ALIGN(8); - - .jcr : { - KEEP (*(.jcr)) - } - - _gp = ALIGN(16) + 0x7440; - __global = _gp; - - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - - edata = .; - _edata = .; - _fbss = .; - - .sbss : { - *(.sbss*) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss*) - *(COMMON) - . = ALIGN (64); - _stack_limit = .; - . += _StackSize; - __stack = .; - _stack_init = .; - WorkAreaBase = .; - _clear_end = .; - } - . = 0x88400000; /* reserve some memory for Work Area */ - end = .; - _end = .; - - -/* Put starting stack in SRAM (8 Kb); this size is the same as the stack from - the original script (when everything was in SRAM). */ - /* __stack = 0x8000A000; */ - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } -} diff --git a/c/src/lib/libbsp/mips/malta/startup/simple_access.c b/c/src/lib/libbsp/mips/malta/startup/simple_access.c deleted file mode 100644 index cd15484b1c..0000000000 --- a/c/src/lib/libbsp/mips/malta/startup/simple_access.c +++ /dev/null @@ -1,133 +0,0 @@ -/** - * @file - * - * This file contains the code to do simple memory and io accesses. - */ - -/* - * COPYRIGHT (c) 1989-2012. - * 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.rtems.org/license/LICENSE. - */ - -#include <rtems.h> -#include <bsp.h> - -#include <bsp/pci.h> -#include <bsp/irq.h> -#include <rtems/bspIo.h> -#include <rtems/endian.h> -// #define DEBUG_ACCESSES 1 - -#ifdef DEBUG_ACCESSES - #define JPRINTK(fmt, ...) printk("%s: " fmt, __FUNCTION__, ##__VA_ARGS__) -#else - #define JPRINTK(fmt, ...) -#endif - -/* - * * Simple accesses - * */ -void simple_out_32(uint32_t base, uint32_t addr, uint32_t val) -{ - volatile uint32_t *ptr; - - ptr = (volatile uint32_t *) (base + addr); - *ptr = val; - - JPRINTK( "%p data: 0x%x\n", ptr, val); -} - -void simple_out_le32(uint32_t base, uint32_t addr, uint32_t val) -{ - volatile uint32_t *ptr; - uint32_t data = 0; - - ptr = (volatile uint32_t *) (base + addr); - rtems_uint32_to_little_endian( val, (uint8_t *) &data); - *ptr = data; - - JPRINTK( "%p data: 0x%x\n", ptr, data); -} - -uint8_t simple_in_8( uint32_t base, uint32_t addr ) { - volatile uint8_t *ptr; - uint8_t val; - - ptr = (volatile uint8_t *) (base + addr); - val = *ptr; - JPRINTK( "0x%x data: 0x%x\n", ptr, val); - - return val; -} - -int16_t simple_in_le16( uint32_t base, uint32_t addr ) { - volatile uint16_t *ptr; - uint16_t val; - uint16_t rval; - - ptr = (volatile uint16_t *) (base + addr); - val = *ptr; - rval = rtems_uint16_from_little_endian( (uint8_t *) &val); - JPRINTK( "0x%x data: 0x%x raw: 0x%x\n", ptr, rval, val); - return rval; -} - -int16_t simple_in_16( uint32_t base, uint32_t addr ) { - volatile uint16_t *ptr; - uint16_t val; - - ptr = (volatile uint16_t *) (base + addr); - val = *ptr; - JPRINTK( "0x%x data: 0x%x raw: 0x%x\n", ptr, val, val); - return val; -} - -uint32_t simple_in_le32( uint32_t base, uint32_t addr ) { - volatile uint32_t *ptr; - uint32_t val; - uint32_t rval; - - ptr = (volatile uint32_t *) (base + addr); - val = *ptr; - rval = rtems_uint32_from_little_endian( (uint8_t *) &val); - JPRINTK( "0x%x data: 0x%x raw: 0x%x\n", ptr, rval, val); - return rval; -} - -uint32_t simple_in_32( uint32_t base, uint32_t addr ) { - volatile uint32_t *ptr; - uint32_t val; - - ptr = (volatile uint32_t *) (base + addr); - val = *ptr; - JPRINTK( "0x%x data: 0x%x raw: 0x%x\n", ptr, val, val); - return val; -} - -void simple_out_8( uint32_t base, uint32_t addr, uint8_t val ) { - volatile uint8_t *ptr; - - ptr = (volatile uint8_t *) (base | addr); - JPRINTK( "0x%x data: 0x%x\n", ptr, val); - *ptr = val; -} - -void simple_out_le16( uint32_t base, uint32_t addr, uint16_t val ) { - volatile uint16_t *ptr; - uint16_t data; - ptr = (volatile uint16_t *) (base + addr); - rtems_uint16_to_little_endian( val, (uint8_t *) &data); - *ptr = data; - JPRINTK( "0x%x data: 0x%x\n", ptr, data); -} - -void simple_out_16( uint32_t base, uint32_t addr, uint16_t val ) { - volatile uint16_t *ptr; - ptr = (volatile uint16_t *) (base + addr); - *ptr = val; - JPRINTK( "0x%x data: 0x%x\n", ptr, val); -} diff --git a/c/src/lib/libbsp/mips/rbtx4925/Makefile.am b/c/src/lib/libbsp/mips/rbtx4925/Makefile.am index ca8846dfd4..b483b2413e 100644 --- a/c/src/lib/libbsp/mips/rbtx4925/Makefile.am +++ b/c/src/lib/libbsp/mips/rbtx4925/Makefile.am @@ -3,7 +3,7 @@ ACLOCAL_AMFLAGS = -I ../../../../aclocal include $(top_srcdir)/../../../../automake/compile.am include $(top_srcdir)/../../bsp.am -dist_project_lib_DATA = startup/bsp_specs +dist_project_lib_DATA = ../../../../../../bsps/mips/rbtx4925/start/bsp_specs #isr @@ -23,12 +23,12 @@ librtemsbsp_a_SOURCES = librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspfatal-default.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspgetworkarea-default.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspreset-empty.c -librtemsbsp_a_SOURCES += startup/bspstart.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/rbtx4925/start/bspstart.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/getentropy/getentropy-cpucounter.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/sbrk.c -librtemsbsp_a_SOURCES += startup/inittlb.c -librtemsbsp_a_SOURCES += ../shared/startup/idttlb.S -librtemsbsp_a_SOURCES += ../shared/startup/idtmem.S +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/rbtx4925/start/inittlb.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/shared/start/idttlb.S +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/shared/start/idtmem.S librtemsbsp_a_SOURCES += ../shared/irq/exception.S # clock librtemsbsp_a_SOURCES +=../../../../../../bsps/mips/rbtx4925/clock/clockdrv.c diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/bsp_specs b/c/src/lib/libbsp/mips/rbtx4925/startup/bsp_specs deleted file mode 100644 index 87638cc027..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4925/startup/bsp_specs +++ /dev/null @@ -1,9 +0,0 @@ -%rename endfile old_endfile -%rename startfile old_startfile - -*startfile: -%{!qrtems: %(old_startfile)} \ -%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s}} - -*endfile: -%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s crtn.o%s} diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c b/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c deleted file mode 100644 index fc9fce1d94..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c +++ /dev/null @@ -1,34 +0,0 @@ -/** - * @file - * - * This routine starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before this routine is invoked. - */ - -/* - * COPYRIGHT (c) 1989-2012. - * 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.rtems.org/license/LICENSE. - */ - -#include <bsp.h> -#include <libcpu/isr_entries.h> -#include <bsp/irq-generic.h> - -void bsp_start( void ); - -/* - * bsp_start - * - * This routine does the bulk of the system initialization. - */ -void bsp_start( void ) -{ - bsp_interrupt_initialize(); -} - diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/idttlb.S b/c/src/lib/libbsp/mips/rbtx4925/startup/idttlb.S deleted file mode 100644 index 2574027dc9..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4925/startup/idttlb.S +++ /dev/null @@ -1,388 +0,0 @@ -/* - -Based upon IDT provided code with the following release: - -This source code has been made available to you by IDT on an AS-IS -basis. Anyone receiving this source is licensed under IDT copyrights -to use it in any way he or she deems fit, including copying it, -modifying it, compiling it, and redistributing it either with or -without modifications. No license under IDT patents or patent -applications is to be implied by the copyright license. - -Any user of this software should understand that IDT cannot provide -technical support for this software and will not be responsible for -any consequences resulting from the use of this software. - -Any person who transfers this source code or any derivative work must -include the IDT copyright notice, this paragraph, and the preceeding -two paragraphs in the transferred software. - -COPYRIGHT IDT CORPORATION 1996 -LICENSED MATERIAL - PROGRAM PROPERTY OF IDT -*/ - - -/* -** idttlb.s - fetch the registers associated with and the contents -** of the tlb. -** -*/ -/* 950308: Ketan patched a few tlb functions that would not have worked.*/ -#include <rtems/mips/iregdef.h> -#include <rtems/mips/idtcpu.h> -#include <rtems/asm.h> - - - .text - -#if __mips == 1 -/* -** ret_tlblo -- returns the 'entrylo' contents for the TLB -** 'c' callable - as ret_tlblo(index) - where index is the -** tlb entry to return the lo value for - if called from assembly -** language then index should be in register a0. -*/ -FRAME(ret_tlblo,sp,0,ra) - .set noreorder - mfc0 t0,C0_SR # save sr - nop - and t0,~SR_PE # dont inadvertantly clear PE - mtc0 zero,C0_SR # clear interrupts - mfc0 t1,C0_TLBHI # save pid - sll a0,TLBINX_INXSHIFT # position index - mtc0 a0,C0_INX # write to index register - nop - tlbr # put tlb entry in entrylo and hi - nop - mfc0 v0,C0_TLBLO # get the requested entry lo - mtc0 t1,C0_TLBHI # restore pid - mtc0 t0,C0_SR # restore status register - j ra - nop - .set reorder -ENDFRAME(ret_tlblo) -#endif -#if __mips == 3 -/* -** ret_tlblo[01] -- returns the 'entrylo' contents for the TLB -** 'c' callable - as ret_tlblo(index) - where index is the -** tlb entry to return the lo value for - if called from assembly -** language then index should be in register a0. -*/ -FRAME(ret_tlblo0,sp,0,ra) - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # clear interrupts - mfc0 t1,C0_TLBHI # save pid - mtc0 a0,C0_INX # write to index register - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbr # put tlb entry in entrylo and hi - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v0,C0_TLBLO0 # get the requested entry lo - mtc0 t1,C0_TLBHI # restore pid - mtc0 t0,C0_SR # restore status register - j ra -ENDFRAME(ret_tlblo0) - -FRAME(ret_tlblo1,sp,0,ra) - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # clear interrupts - mfc0 t1,C0_TLBHI # save pid - mtc0 a0,C0_INX # write to index register - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbr # put tlb entry in entrylo and hi - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v0,C0_TLBLO1 # get the requested entry lo - mtc0 t1,C0_TLBHI # restore pid - mtc0 t0,C0_SR # restore status register - j ra -ENDFRAME(ret_tlblo1) - -/* -** ret_pagemask(index) -- return pagemask contents of tlb entry "index" -*/ -FRAME(ret_pagemask,sp,0,ra) - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # disable interrupts - mfc0 t1,C0_TLBHI # save current pid - mtc0 a0,C0_INX # drop it in C0 register - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbr # read entry to entry hi/lo - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v0,C0_PAGEMASK # to return value - mtc0 t1,C0_TLBHI # restore current pid - mtc0 t0,C0_SR # restore sr - j ra -ENDFRAME(ret_pagemask) - -/* -** ret_tlbwired(void) -- return wired register -*/ -FRAME(ret_tlbwired,sp,0,ra) - mfc0 v0,C0_WIRED - j ra -ENDFRAME(ret_tlbwired) -#endif - -/* -** ret_tlbhi -- return the tlb entry high content for tlb entry -** index -*/ -FRAME(ret_tlbhi,sp,0,ra) -#if __mips == 1 - .set noreorder - mfc0 t0,C0_SR # save sr - nop - and t0,~SR_PE - mtc0 zero,C0_SR # disable interrupts - mfc0 t1,C0_TLBHI # save current pid - sll a0,TLBINX_INXSHIFT # position index - mtc0 a0,C0_INX # drop it in C0 register - nop - tlbr # read entry to entry hi/lo - nop - mfc0 v0,C0_TLBHI # to return value - mtc0 t1,C0_TLBHI # restore current pid - mtc0 t0,C0_SR # restore sr - j ra - nop - .set reorder -#endif -#if __mips == 3 - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # disable interrupts - mfc0 t1,C0_TLBHI # save current pid - mtc0 a0,C0_INX # drop it in C0 register - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbr # read entry to entry hi/lo0/lo1/mask - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v0,C0_TLBHI # to return value - mtc0 t1,C0_TLBHI # restore current pid - mtc0 t0,C0_SR # restore sr - j ra -#endif -ENDFRAME(ret_tlbhi) - -/* -** ret_tlbpid() -- return tlb pid contained in the current entry hi -*/ -FRAME(ret_tlbpid,sp,0,ra) -#if __mips == 1 - .set noreorder - mfc0 v0,C0_TLBHI # fetch tlb high - nop - and v0,TLBHI_PIDMASK # isolate and position - srl v0,TLBHI_PIDSHIFT - j ra - nop - .set reorder -#endif -#if __mips == 3 - mfc0 v0,C0_TLBHI # to return value - nop - and v0,TLBHI_PIDMASK - j ra -#endif -ENDFRAME(ret_tlbpid) - -/* -** tlbprobe(address, pid) -- probe the tlb to see if address is currently -** mapped -** a0 = vpn - virtual page numbers are 0=0 1=0x1000, 2=0x2000... -** virtual page numbers for the r3000 are in -** entry hi bits 31-12 -** a1 = pid - this is a process id ranging from 0 to 63 -** this process id is shifted left 6 bits and or'ed into -** the entry hi register -** returns an index value (0-63) if successful -1 -f not -*/ -FRAME(tlbprobe,sp,0,ra) -#if __mips == 1 - .set noreorder - mfc0 t0,C0_SR /* fetch status reg */ - and a0,TLBHI_VPNMASK /* isolate just the vpn */ - and t0,~SR_PE /* don't inadvertantly clear pe */ - mtc0 zero,C0_SR - mfc0 t1,C0_TLBHI - sll a1,TLBHI_PIDSHIFT /* possition the pid */ - and a1,TLBHI_PIDMASK - or a0,a1 /* build entry hi value */ - mtc0 a0,C0_TLBHI - nop - tlbp /* do the probe */ - nop - mfc0 v1,C0_INX - li v0,-1 - bltz v1,1f - nop - sra v0,v1,TLBINX_INXSHIFT /* get index positioned for return */ -1: - mtc0 t1,C0_TLBHI /* restore tlb hi */ - mtc0 t0,C0_SR /* restore the status reg */ - j ra - nop - .set reorder -#endif -#if __mips == 3 - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # disable interrupts - mfc0 t1,C0_TLBHI # save current pid - and a0,TLBHI_VPN2MASK # construct tlbhi for probe - and a1,TLBHI_PIDMASK - or a0,a1 - mtc0 a0,C0_TLBHI - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbp # probe entry to entry hi/lo0/lo1/mask - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v1,C0_INX - li v0,-1 - bltz v1,1f - move v0,v1 -1: mtc0 t1,C0_TLBHI # restore current pid - mtc0 t0,C0_SR # restore sr - j ra -#endif -ENDFRAME(tlbprobe) - -/* -** resettlb(index) Invalidate the TLB entry specified by index -*/ -FRAME(resettlb,sp,0,ra) -#if __mips == 1 - .set noreorder - mfc0 t0,C0_TLBHI # fetch the current hi - mfc0 v0,C0_SR # fetch the status reg. - li t2,K0BASE&TLBHI_VPNMASK - and v0,~SR_PE # dont inadvertantly clear PE - mtc0 zero,C0_SR - mtc0 t2,C0_TLBHI # set up tlbhi - mtc0 zero,C0_TLBLO - sll a0,TLBINX_INXSHIFT - mtc0 a0,C0_INX - nop - tlbwi # do actual invalidate - nop - mtc0 t0,C0_TLBHI - mtc0 v0,C0_SR - j ra - nop - .set reorder -#endif -#if __mips == 3 - li t2,K0BASE&TLBHI_VPN2MASK - mfc0 t0,C0_TLBHI # save current TLBHI - mfc0 v0,C0_SR # save SR and disable interrupts - mtc0 zero,C0_SR - mtc0 t2,C0_TLBHI # invalidate entry - mtc0 zero,C0_TLBLO0 - mtc0 zero,C0_TLBLO1 - mtc0 a0,C0_INX - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbwi - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mtc0 t0,C0_TLBHI - mtc0 v0,C0_SR - j ra -#endif -ENDFRAME(resettlb) - -#if __mips == 1 -/* -** Setup TLB entry -** -** map_tlb(index, tlbhi, phypage) -** a0 = TLB entry index -** a1 = virtual page number and PID -** a2 = physical page -*/ -FRAME(map_tlb,sp,0,ra) - .set noreorder - sll a0,TLBINX_INXSHIFT - mfc0 v0,C0_SR # fetch the current status - mfc0 a3,C0_TLBHI # save the current hi - and v0,~SR_PE # dont inadvertantly clear parity - - mtc0 zero,C0_SR - mtc0 a1,C0_TLBHI # set the hi entry - mtc0 a2,C0_TLBLO # set the lo entry - mtc0 a0,C0_INX # load the index - nop - tlbwi # put the hi/lo in tlb entry indexed - nop - mtc0 a3,C0_TLBHI # put back the tlb hi reg - mtc0 v0,C0_SR # restore the status register - j ra - nop - .set reorder -ENDFRAME(map_tlb) -#endif -#if __mips == 3 -/* -** Setup R4000 TLB entry -** -** map_tlb4000(mask_index, tlbhi, pte_even, pte_odd) -** a0 = TLB entry index and page mask -** a1 = virtual page number and PID -** a2 = pte -- contents of even pte -** a3 = pte -- contents of odd pte -*/ -FRAME(map_tlb4000,sp,0,ra) - and t2,a0,TLBPGMASK_MASK - and a0,TLBINX_INXMASK - mfc0 t1,C0_TLBHI # save current TLBPID - mfc0 v0,C0_SR # save SR and disable interrupts - mtc0 zero,C0_SR - mtc0 t2,C0_PAGEMASK # set - mtc0 a1,C0_TLBHI # set VPN and TLBPID - mtc0 a2,C0_TLBLO0 # set PPN and access bits - mtc0 a3,C0_TLBLO1 # set PPN and access bits - mtc0 a0,C0_INX # set INDEX to wired entry - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbwi # drop it in - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mtc0 t1,C0_TLBHI # restore TLBPID - mtc0 v0,C0_SR # restore SR - j ra -ENDFRAME(map_tlb4000) -#endif - - -/* -** Set current TLBPID. This assumes PID is positioned correctly in reg. -** a0. -*/ -FRAME(set_tlbpid,sp,0,ra) - .set noreorder - mtc0 a0,C0_TLBHI - j ra - nop - .set reorder -ENDFRAME(set_tlbpid) - diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/inittlb.c b/c/src/lib/libbsp/mips/rbtx4925/startup/inittlb.c deleted file mode 100644 index ab09e9c854..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4925/startup/inittlb.c +++ /dev/null @@ -1,17 +0,0 @@ -/* - * inittlb.c - */ - -#include <bsp.h> -#include <rtems/mips/idtcpu.h> - -extern void resettlb( int i ); - -void init_tlb(void) -{ - int i; - - for (i = 0; i < N_TLB_ENTRIES; i++ ) - resettlb(i); -} - diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/linkcmds b/c/src/lib/libbsp/mips/rbtx4925/startup/linkcmds deleted file mode 100644 index 4f7de84115..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4925/startup/linkcmds +++ /dev/null @@ -1,188 +0,0 @@ -/* - * linkcmds - */ - -/* - * Declare some sizes. - */ -RamBase = DEFINED(RamBase) ? RamBase : 0x80000000; -RamSize = DEFINED(RamSize) ? RamSize : 4M; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; -_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; - -ENTRY(start) -STARTUP(start.o) - -SECTIONS -{ - /* 0x80000000 - 0x8001FFFF used by PMON (with 0x80010000 - 0x8001FFFF as heap for symbol storage) - 0x80020000 - 0x8002FFFF reserved for shared memory - 0x80030000 beginning of text (code) section - */ - .text 0x80030000 : - { - _ftext = . ; - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - - /* - * Special FreeBSD sysctl sections. - */ - . = ALIGN (16); - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = ABSOLUTE(.); - *(set_domain_*); - *(set_pseudo_*); - - *(.gcc_except_table*) - *(.eh_frame_hdr) - *(.eh_frame) - } - - .init : - { - KEEP(*crti.o(.init)) - KEEP(*(.init)) - KEEP(*crtn.o(.init)) - } - - .fini : - { - KEEP(*crti.o(.fini)) - KEEP(*(.fini)) - KEEP(*crtn.o(.fini)) - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - - etext = .; - _etext = .; - } - - .rdata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - KEEP (*(SORT(.rtemsroset.*))) - *(.gnu.linkonce.r*) - } - - .tdata : { - _TLS_Data_begin = .; - *(.tdata .tdata.* .gnu.linkonce.td.*) - _TLS_Data_end = .; - } - - .tbss : { - _TLS_BSS_begin = .; - *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) - _TLS_BSS_end = .; - } - - _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; - _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; - _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; - _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; - _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; - _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); - - _fdata = ALIGN(16); - - .data : { - *(.data) - *(.data.*) - KEEP (*(SORT(.rtemsrwset.*))) - *(.gnu.linkonce.d*) - SORT(CONSTRUCTORS) - } - . = ALIGN(8); - - .jcr : { - KEEP (*(.jcr)) - } - - _gp = ALIGN(16) + 0x8000; - __global = _gp; - - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - - edata = .; - _edata = .; - _fbss = .; - - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - . = ALIGN (64); - _stack_limit = .; - . += _StackSize; - __stack = .; - _stack_init = .; - end = .; - _end = .; - WorkAreaBase = .; - } - - - /* Debug sections. These should never be loadable, but they must have - zero addresses for the debuggers to work correctly. */ - .line 0 : { *(.line) } - .debug 0 : { *(.debug) } - .debug_sfnames 0 : { *(.debug_sfnames) } - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_macinfo 0 : { *(.debug_macinfo) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_aranges 0 : { *(.debug_aranges) } -} diff --git a/c/src/lib/libbsp/mips/rbtx4938/Makefile.am b/c/src/lib/libbsp/mips/rbtx4938/Makefile.am index 2125aec0e7..d8b53efe8b 100644 --- a/c/src/lib/libbsp/mips/rbtx4938/Makefile.am +++ b/c/src/lib/libbsp/mips/rbtx4938/Makefile.am @@ -3,7 +3,7 @@ ACLOCAL_AMFLAGS = -I ../../../../aclocal include $(top_srcdir)/../../../../automake/compile.am include $(top_srcdir)/../../bsp.am -dist_project_lib_DATA = startup/bsp_specs +dist_project_lib_DATA = ../../../../../../bsps/mips/rbtx4938/start/bsp_specs #isr @@ -24,12 +24,12 @@ librtemsbsp_a_SOURCES = librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspfatal-default.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspgetworkarea-default.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspreset-empty.c -librtemsbsp_a_SOURCES += startup/bspstart.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/rbtx4938/start/bspstart.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/getentropy/getentropy-cpucounter.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/sbrk.c -librtemsbsp_a_SOURCES += startup/inittlb.c -librtemsbsp_a_SOURCES += ../shared/startup/idttlb.S -librtemsbsp_a_SOURCES += ../shared/startup/idtmem.S +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/rbtx4938/start/inittlb.c +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/shared/start/idttlb.S +librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/shared/start/idtmem.S librtemsbsp_a_SOURCES += ../shared/irq/exception.S # clock librtemsbsp_a_SOURCES +=../../../../../../bsps/mips/rbtx4938/clock/clockdrv.c diff --git a/c/src/lib/libbsp/mips/rbtx4938/startup/bsp_specs b/c/src/lib/libbsp/mips/rbtx4938/startup/bsp_specs deleted file mode 100644 index 87638cc027..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4938/startup/bsp_specs +++ /dev/null @@ -1,9 +0,0 @@ -%rename endfile old_endfile -%rename startfile old_startfile - -*startfile: -%{!qrtems: %(old_startfile)} \ -%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s}} - -*endfile: -%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s crtn.o%s} diff --git a/c/src/lib/libbsp/mips/rbtx4938/startup/bspstart.c b/c/src/lib/libbsp/mips/rbtx4938/startup/bspstart.c deleted file mode 100644 index 4c7ffb0ca3..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4938/startup/bspstart.c +++ /dev/null @@ -1,33 +0,0 @@ -/** - * @file - * - * This routine starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before this routine is invoked. - */ - -/* - * COPYRIGHT (c) 1989-2012. - * 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.rtems.org/license/LICENSE. - */ - -#include <bsp.h> -#include <libcpu/isr_entries.h> -#include <bsp/irq-generic.h> - -void bsp_start( void ); - -/* - * bsp_start - * - * This routine does the bulk of the system initialization. - */ -void bsp_start( void ) -{ - bsp_interrupt_initialize(); -} diff --git a/c/src/lib/libbsp/mips/rbtx4938/startup/inittlb.c b/c/src/lib/libbsp/mips/rbtx4938/startup/inittlb.c deleted file mode 100644 index ab09e9c854..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4938/startup/inittlb.c +++ /dev/null @@ -1,17 +0,0 @@ -/* - * inittlb.c - */ - -#include <bsp.h> -#include <rtems/mips/idtcpu.h> - -extern void resettlb( int i ); - -void init_tlb(void) -{ - int i; - - for (i = 0; i < N_TLB_ENTRIES; i++ ) - resettlb(i); -} - diff --git a/c/src/lib/libbsp/mips/rbtx4938/startup/linkcmds b/c/src/lib/libbsp/mips/rbtx4938/startup/linkcmds deleted file mode 100644 index 246e11debc..0000000000 --- a/c/src/lib/libbsp/mips/rbtx4938/startup/linkcmds +++ /dev/null @@ -1,188 +0,0 @@ -/* - * linkcmds - */ - -/* - * Declare some sizes. - */ -RamBase = DEFINED(RamBase) ? RamBase : 0x80000000; -RamSize = DEFINED(RamSize) ? RamSize : 4M; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; -_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; - -ENTRY(start) -STARTUP(start.o) - -SECTIONS -{ - /* 0x80000000 - 0x800FFFFF used by YAMON - 0x80120000 - 0x8012FFFF reserved for shared memory - 0x80130000 beginning of text (code) section - */ - .text 0x80130000 : - { - _ftext = . ; - eprol = .; - *(.text) - *(.text.*) - *(.gnu.linkonce.t*) - *(.mips16.fn.*) - *(.mips16.call.*) - PROVIDE (__runtime_reloc_start = .); - *(.rel.sdata) - PROVIDE (__runtime_reloc_stop = .); - - /* - * Special FreeBSD sysctl sections. - */ - . = ALIGN (16); - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = ABSOLUTE(.); - *(set_domain_*); - *(set_pseudo_*); - - *(.gcc_except_table*) - *(.eh_frame_hdr) - *(.eh_frame) - } - - .init : - { - KEEP(*crti.o(.init)) - KEEP(*(.init)) - KEEP(*crtn.o(.init)) - } - - .fini : - { - KEEP(*crti.o(.fini)) - KEEP(*(.fini)) - KEEP(*crtn.o(.fini)) - } - - .ctors : - { - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - - KEEP (*crtbegin.o(.ctors)) - - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - } - - .dtors : - { - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - - etext = .; - _etext = .; - } - - .rdata : { - *(.rdata) - *(.rodata) - *(.rodata.*) - KEEP (*(SORT(.rtemsroset.*))) - *(.gnu.linkonce.r*) - } - - .tdata : { - _TLS_Data_begin = .; - *(.tdata .tdata.* .gnu.linkonce.td.*) - _TLS_Data_end = .; - } - - .tbss : { - _TLS_BSS_begin = .; - *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) - _TLS_BSS_end = .; - } - - _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; - _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; - _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; - _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; - _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; - _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); - - _fdata = ALIGN(16); - - .data : { - *(.data) - *(.data.*) - KEEP (*(SORT(.rtemsrwset.*))) - *(.gnu.linkonce.d*) - SORT(CONSTRUCTORS) - } - . = ALIGN(8); - - .jcr : { - KEEP (*(.jcr)) - } - - _gp = ALIGN(16) + 0x8000; - __global = _gp; - - .sdata : { - *(.sdata) - *(.sdata.*) - *(.gnu.linkonce.s*) - } - .lit8 : { - *(.lit8) - } - .lit4 : { - *(.lit4) - } - - edata = .; - _edata = .; - _fbss = .; - - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - _bss_start = . ; - *(.bss) - *(COMMON) - . = ALIGN (64); - _stack_limit = .; - . += _StackSize; - __stack = .; - _stack_init = .; - end = .; - _end = .; - WorkAreaBase = .; - } - - - /* Debug sections. These should never be loadable, but they must have - zero addresses for the debuggers to work correctly. */ - .line 0 : { *(.line) } - .debug 0 : { *(.debug) } - .debug_sfnames 0 : { *(.debug_sfnames) } - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_macinfo 0 : { *(.debug_macinfo) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_aranges 0 : { *(.debug_aranges) } -} diff --git a/c/src/lib/libbsp/mips/shared/startup/idtmem.S b/c/src/lib/libbsp/mips/shared/startup/idtmem.S deleted file mode 100644 index ed51e67362..0000000000 --- a/c/src/lib/libbsp/mips/shared/startup/idtmem.S +++ /dev/null @@ -1,920 +0,0 @@ -/* - -Based upon IDT provided code with the following release: - -This source code has been made available to you by IDT on an AS-IS -basis. Anyone receiving this source is licensed under IDT copyrights -to use it in any way he or she deems fit, including copying it, -modifying it, compiling it, and redistributing it either with or -without modifications. No license under IDT patents or patent -applications is to be implied by the copyright license. - -Any user of this software should understand that IDT cannot provide -technical support for this software and will not be responsible for -any consequences resulting from the use of this software. - -Any person who transfers this source code or any derivative work must -include the IDT copyright notice, this paragraph, and the preceeding -two paragraphs in the transferred software. - -COPYRIGHT IDT CORPORATION 1996 -LICENSED MATERIAL - PROGRAM PROPERTY OF IDT - -*/ - -/************************************************************************ -** -** idtmem.s - memory and cache functions -** -** Copyright 1991 Integrated Device Technology, Inc. -** All Rights Reserved -** -**************************************************************************/ - -/* - * 950313: Ketan fixed bugs in mfc0/mtc0 hazards, and removed hack - * to set mem_size. - */ - -#include <rtems/mips/iregdef.h> -#include <rtems/mips/idtcpu.h> -#include <rtems/asm.h> - - .data -mem_size: - .word 0 -dcache_size: - .word 0 -icache_size: -#if __mips == 1 - .word MINCACHE -#endif -#if __mips == 3 - .word 0 -#endif - -#if __mips == 3 - .data -scache_size: - .word 0 -icache_linesize: - .word 0 -dcache_linesize: - .word 0 -scache_linesize: - .word 0 -#endif - - .text - -#if __mips == 1 -#define CONFIGFRM ((2*4)+4) - -/************************************************************************* -** -** Config_Dcache() -- determine size of Data cache -** -**************************************************************************/ - -FRAME(config_Dcache,sp, CONFIGFRM, ra) - .set noreorder - subu sp,CONFIGFRM - sw ra,CONFIGFRM-4(sp) /* save return address */ - sw s0,4*4(sp) /* save s0 in first regsave slot */ - mfc0 s0,C0_SR /* save SR */ - nop - mtc0 zero,C0_SR /* disable interrupts */ - .set reorder - jal _size_cache /* returns Data cache size in v0 */ - sw v0, dcache_size /* save it */ - and s0, ~SR_PE /* do not clear PE */ - .set noreorder - mtc0 s0,C0_SR /* restore SR */ - nop - .set reorder - lw s0, 4*4(sp) /* restore s0 */ - lw ra,CONFIGFRM-4(sp) /* restore ra */ - addu sp,CONFIGFRM /* pop stack */ - j ra -ENDFRAME(config_Dcache) - -/************************************************************************* -** -** Config_Icache() -- determine size of Instruction cache -** MUST be run in uncached mode/handled in idt_csu.s -** -**************************************************************************/ - -FRAME(config_Icache,sp, CONFIGFRM, ra) - .set noreorder - subu sp,CONFIGFRM - sw ra,CONFIGFRM-4(sp) /* save return address */ - sw s0,4*4(sp) /* save s0 in first regsave slot */ - mfc0 s0,C0_SR /* save SR */ - nop - mtc0 zero, C0_SR /* disable interrupts */ - li v0,SR_SWC /* swap caches/disable ints */ - mtc0 v0,C0_SR - nop - .set reorder - jal _size_cache /* returns instruction cache size */ - .set noreorder - mtc0 zero,C0_SR /* swap back caches */ - nop - and s0,~SR_PE /* do not inadvertantly clear PE */ - mtc0 s0,C0_SR /* restore SR */ - nop - .set reorder - sw v0, icache_size /* save it AFTER caches back */ - lw s0,4*4(sp) /* restore s0 */ - lw ra,CONFIGFRM-4(sp) /* restore ra */ - addu sp,CONFIGFRM /* pop stack */ - j ra -ENDFRAME(config_Icache) - -/************************************************************************ -** -** _size_cache() -** returns cache size in v0 -** -************************************************************************/ - -FRAME(_size_cache,sp,0,ra) - .set noreorder - mfc0 t0,C0_SR /* save current sr */ - nop - and t0,~SR_PE /* do not inadvertently clear PE */ - or v0,t0,SR_ISC /* isolate cache */ - mtc0 v0,C0_SR - /* - * First check if there is a cache there at all - */ - move v0,zero - li v1,0xa5a5a5a5 /* distinctive pattern */ - sw v1,K0BASE /* try to write into cache */ - lw t1,K0BASE /* try to read from cache */ - nop - mfc0 t2,C0_SR - nop - .set reorder - and t2,SR_CM - bne t2,zero,3f /* cache miss, must be no cache */ - bne v1,t1,3f /* data not equal -> no cache */ - /* - * Clear cache size boundries to known state. - */ - li v0,MINCACHE -1: - sw zero,K0BASE(v0) - sll v0,1 - ble v0,MAXCACHE,1b - - li v0,-1 - sw v0,K0BASE(zero) /* store marker in cache */ - li v0,MINCACHE /* MIN cache size */ - -2: lw v1,K0BASE(v0) /* Look for marker */ - bne v1,zero,3f /* found marker */ - sll v0,1 /* cache size * 2 */ - ble v0,MAXCACHE,2b /* keep looking */ - move v0,zero /* must be no cache */ - .set noreorder -3: mtc0 t0,C0_SR /* restore sr */ - j ra - nop -ENDFRAME(_size_cache) - .set reorder - -#define FLUSHFRM (2*4) - -/*************************************************************************** -** -** flush_Dcache() - flush entire Data cache -** -****************************************************************************/ -FRAME(flush_Dcache,sp,FLUSHFRM,ra) - lw t2, dcache_size - .set noreorder - mfc0 t3,C0_SR /* save SR */ - nop - and t3,~SR_PE /* dont inadvertently clear PE */ - beq t2,zero,_Dflush_done /* no D cache, get out! */ - nop - li v0, SR_ISC /* isolate cache */ - mtc0 v0, C0_SR - nop - .set reorder - li t0,K0BASE /* set loop registers */ - or t1,t0,t2 - -2: sb zero,0(t0) - sb zero,4(t0) - sb zero,8(t0) - sb zero,12(t0) - sb zero,16(t0) - sb zero,20(t0) - sb zero,24(t0) - addu t0,32 - sb zero,-4(t0) - bne t0,t1,2b - - .set noreorder -_Dflush_done: - mtc0 t3,C0_SR /* restore Status Register */ - .set reorder - j ra -ENDFRAME(flush_Dcache) - -/*************************************************************************** -** -** flush_Icache() - flush entire Instruction cache -** -** NOTE: Icache can only be flushed/cleared when uncached -** Code forces into uncached memory regardless of calling mode -** -****************************************************************************/ -FRAME(flush_Icache,sp,FLUSHFRM,ra) - lw t1,icache_size - .set noreorder - mfc0 t3,C0_SR /* save SR */ - nop - la v0,1f - li v1,K1BASE - or v0,v1 - j v0 /* force into non-cached space */ - nop -1: - and t3,~SR_PE /* dont inadvertently clear PE */ - beq t1,zero,_Iflush_done /* no i-cache get out */ - nop - li v0,SR_ISC|SR_SWC /* disable intr, isolate and swap */ - mtc0 v0,C0_SR - li t0,K0BASE - .set reorder - or t1,t0,t1 - -1: sb zero,0(t0) - sb zero,4(t0) - sb zero,8(t0) - sb zero,12(t0) - sb zero,16(t0) - sb zero,20(t0) - sb zero,24(t0) - addu t0,32 - sb zero,-4(t0) - bne t0,t1,1b - .set noreorder -_Iflush_done: - mtc0 t3,C0_SR /* un-isolate, enable interrupts */ - .set reorder - j ra -ENDFRAME(flush_Icache) - -/************************************************************************** -** -** clear_Dcache(base_addr, byte_count) - flush portion of Data cache -** -** a0 = base address of portion to be cleared -** a1 = byte count of length -** -***************************************************************************/ -FRAME(clear_Dcache,sp,0,ra) - - lw t2, dcache_size /* Data cache size */ - .set noreorder - mfc0 t3,C0_SR /* save SR */ - nop - and t3,~SR_PE /* dont inadvertently clear PE */ - nop - nop - .set reorder - /* - * flush data cache - */ - - .set noreorder - nop - li v0,SR_ISC /* isolate data cache */ - mtc0 v0,C0_SR - .set reorder - bltu t2,a1,1f /* cache is smaller than region */ - move t2,a1 -1: addu t2,a0 /* ending address + 1 */ - move t0,a0 - -1: sb zero,0(t0) - sb zero,4(t0) - sb zero,8(t0) - sb zero,12(t0) - sb zero,16(t0) - sb zero,20(t0) - sb zero,24(t0) - addu t0,32 - sb zero,-4(t0) - bltu t0,t2,1b - - .set noreorder - mtc0 t3,C0_SR /* un-isolate, enable interrupts */ - nop - .set reorder - j ra -ENDFRAME(clear_Dcache) - -/************************************************************************** -** -** clear_Icache(base_addr, byte_count) - flush portion of Instruction cache -** -** a0 = base address of portion to be cleared -** a1 = byte count of length -** -** NOTE: Icache can only be flushed/cleared when uncached -** Code forces into uncached memory regardless of calling mode -** -***************************************************************************/ -FRAME(clear_Icache,sp,0,ra) - - lw t1, icache_size /* Instruction cache size */ - /* - * flush text cache - */ - .set noreorder - mfc0 t3,C0_SR /* save SR */ - nop - la v0,1f - li v1,K1BASE - or v0,v1 - j v0 /* force into non-cached space */ - nop -1: - and t3,~SR_PE /* dont inadvertently clear PE */ - nop - nop - li v0,SR_ISC|SR_SWC /* disable intr, isolate and swap */ - mtc0 v0,C0_SR - .set reorder - bltu t1,a1,1f /* cache is smaller than region */ - move t1,a1 -1: addu t1,a0 /* ending address + 1 */ - move t0,a0 - - sb zero,0(t0) - sb zero,4(t0) - sb zero,8(t0) - sb zero,12(t0) - sb zero,16(t0) - sb zero,20(t0) - sb zero,24(t0) - addu t0,32 - sb zero,-4(t0) - bltu t0,t1,1b - .set noreorder - mtc0 t3,C0_SR /* un-isolate, enable interrupts */ - nop - nop - nop /* allow time for caches to swap */ - .set reorder - j ra -ENDFRAME(clear_Icache) - -/************************************************************************** -** -** get_mem_conf - get memory configuration -** -***************************************************************************/ - -FRAME(get_mem_conf,sp,0,ra) - - lw t6, mem_size - sw t6, 0(a0) - lw t7, icache_size - sw t7, 4(a0) - lw t8, dcache_size - sw t8, 8(a0) - j ra - -ENDFRAME(get_mem_conf) -#endif /* __mips == 1 */ - -#if __mips == 3 -#define LEAF(label) FRAME(label,sp,0,ra) -#define XLEAF(label) \ - .globl label ; \ -label: - -/* - * cacheop macro to automate cache operations - * first some helpers... - */ -#define _mincache(size, maxsize) \ - bltu size,maxsize,8f ; \ - move size,maxsize ; \ -8: - -#define _align(tmp, minaddr, maxaddr, linesize) \ - subu tmp,linesize,1 ; \ - not tmp ; \ - and minaddr,tmp ; \ - addu maxaddr,-1 ; \ - and maxaddr,tmp - -/* This is a bit of a hack really because it relies on minaddr=a0 */ -#define _doop1(op1) \ - cache op1,0(a0) - -#define _doop2(op1, op2) \ - cache op1,0(a0) ; \ - cache op2,0(a0) - -/* specials for cache initialisation */ -#define _doop1lw1(op1) \ - cache op1,0(a0) ; \ - lw zero,0(a0) ; \ - cache op1,0(a0) - -#define _doop121(op1,op2) \ - cache op1,0(a0) ; \ - nop; \ - cache op2,0(a0) ; \ - nop; \ - cache op1,0(a0) - -#define _oploopn(minaddr, maxaddr, linesize, tag, ops) \ - .set noreorder ; \ -7: _doop##tag##ops ; \ - bne minaddr,maxaddr,7b ; \ - addu minaddr,linesize ; \ - .set reorder - -/* finally the cache operation macros */ -#define icacheopn(kva, n, cache_size, cache_linesize, tag, ops) \ - _mincache(n, cache_size); \ - blez n,9f ; \ - addu n,kva ; \ - _align(t1, kva, n, cache_linesize) ; \ - _oploopn(kva, n, cache_linesize, tag, ops) ; \ -9: - -#define vcacheopn(kva, n, cache_size, cache_linesize, tag, ops) \ - blez n,9f ; \ - addu n,kva ; \ - _align(t1, kva, n, cache_linesize) ; \ - _oploopn(kva, n, cache_linesize, tag, ops) ; \ -9: - -#define icacheop(kva, n, cache_size, cache_linesize, op) \ - icacheopn(kva, n, cache_size, cache_linesize, 1, (op)) - -#define vcacheop(kva, n, cache_size, cache_linesize, op) \ - vcacheopn(kva, n, cache_size, cache_linesize, 1, (op)) - - .text - -/* - * static void _size_cache() R4000 - * - * Internal routine to determine cache sizes by looking at R4000 config - * register. Sizes are returned in registers, as follows: - * t2 icache size - * t3 dcache size - * t6 scache size - * t4 icache line size - * t5 dcache line size - * t7 scache line size - */ -LEAF(_size_cache) - mfc0 t0,C0_CONFIG - - and t1,t0,CFG_ICMASK - srl t1,CFG_ICSHIFT - li t2,0x1000 - sll t2,t1 - - and t1,t0,CFG_DCMASK - srl t1,CFG_DCSHIFT - li t3,0x1000 - sll t3,t1 - - li t4,32 - and t1,t0,CFG_IB - bnez t1,1f - li t4,16 -1: - - li t5,32 - and t1,t0,CFG_DB - bnez t1,1f - li t5,16 -1: - - move t6,zero # default to no scache - move t7,zero # - - and t1,t0,CFG_C_UNCACHED # test config register - bnez t1,1f # no scache if uncached/non-coherent - - li t6,0x100000 # assume 1Mb scache <<-NOTE - and t1,t0,CFG_SBMASK - srl t1,CFG_SBSHIFT - li t7,16 - sll t7,t1 -1: j ra -ENDFRAME(_size_cache) - -/* - * void config_cache() R4000 - * - * Work out size of I, D & S caches, assuming they are already initialised. - */ -LEAF(config_cache) - lw t0,icache_size - bgtz t0,8f # already known? - move v0,ra - bal _size_cache - move ra,v0 - - sw t2,icache_size - sw t3,dcache_size - sw t6,scache_size - sw t4,icache_linesize - sw t5,dcache_linesize - sw t7,scache_linesize -8: j ra -ENDFRAME(config_cache) - -/* - * void _init_cache() R4000 - */ -LEAF(_init_cache) - /* - * First work out the sizes - */ - move v0,ra - bal _size_cache - move ra,v0 - - /* - * The caches may be in an indeterminate state, - * so we force good parity into them by doing an - * invalidate, load/fill, invalidate for each line. - */ - - /* disable all i/u and cache exceptions */ - mfc0 v0,C0_SR - and v1,v0,~SR_IE - or v1,SR_DE - mtc0 v1,C0_SR - - mtc0 zero,C0_TAGLO - mtc0 zero,C0_TAGHI - - /* assume bottom of RAM will generate good parity for the cache */ - li a0,PHYS_TO_K0(0) - move a2,t2 # icache_size - move a3,t4 # icache_linesize - move a1,a2 - icacheopn(a0,a1,a2,a3,121,(Index_Store_Tag_I,Fill_I)) - - li a0,PHYS_TO_K0(0) - move a2,t3 # dcache_size - move a3,t5 # dcache_linesize - move a1,a2 - icacheopn(a0,a1,a2,a3,1lw1,(Index_Store_Tag_D)) - - /* assume unified I & D in scache <<-NOTE */ - blez t6,1f - li a0,PHYS_TO_K0(0) - move a2,t6 - move a3,t7 - move a1,a2 - icacheopn(a0,a1,a2,a3,1lw1,(Index_Store_Tag_SD)) - -1: mtc0 v0,C0_SR - j ra -ENDFRAME(_init_cache) - -/* - * void flush_cache (void) R4000 - * - * Flush and invalidate all caches - */ -LEAF(flush_cache) - /* secondary cacheops do all the work if present */ - lw a2,scache_size - blez a2,1f - lw a3,scache_linesize - li a0,PHYS_TO_K0(0) - move a1,a2 - icacheop(a0,a1,a2,a3,Index_Writeback_Inv_SD) - b 2f - -1: - lw a2,icache_size - blez a2,2f - lw a3,icache_linesize - li a0,PHYS_TO_K0(0) - move a1,a2 - icacheop(a0,a1,a2,a3,Index_Invalidate_I) - - lw a2,dcache_size - lw a3,dcache_linesize - li a0,PHYS_TO_K0(0) - move a1,a2 - icacheop(a0,a1,a2,a3,Index_Writeback_Inv_D) - -2: j ra -ENDFRAME(flush_cache) - -/* - * void flush_cache_nowrite (void) R4000 - * - * Invalidate all caches - */ -LEAF(flush_cache_nowrite) - mfc0 v0,C0_SR - and v1,v0,~SR_IE - mtc0 v1,C0_SR - - mtc0 zero,C0_TAGLO - mtc0 zero,C0_TAGHI - - lw a2,icache_size - blez a2,2f - lw a3,icache_linesize - li a0,PHYS_TO_K0(0) - move a1,a2 - icacheop(a0,a1,a2,a3,Index_Invalidate_I) - - lw a2,dcache_size - lw a3,dcache_linesize - li a0,PHYS_TO_K0(0) - move a1,a2 - icacheop(a0,a1,a2,a3,Index_Store_Tag_D) - - lw a2,scache_size - blez a2,2f - lw a3,scache_linesize - li a0,PHYS_TO_K0(0) - move a1,a2 - icacheop(a0,a1,a2,a3,Index_Store_Tag_SD) - -2: mtc0 v0,C0_SR - j ra -ENDFRAME(flush_cache_nowrite) - -/* - * void clean_cache (unsigned kva, size_t n) R4000 - * - * Writeback and invalidate address range in all caches - */ -LEAF(clean_cache) -XLEAF(clear_cache) - - /* secondary cacheops do all the work (if fitted) */ - lw a2,scache_size - blez a2,1f - lw a3,scache_linesize - vcacheop(a0,a1,a2,a3,Hit_Writeback_Inv_SD) - b 2f - -1: lw a2,icache_size - blez a2,2f - lw a3,icache_linesize - /* save kva & n for subsequent loop */ - move t8,a0 - move t9,a1 - vcacheop(a0,a1,a2,a3,Hit_Invalidate_I) - - lw a2,dcache_size - lw a3,dcache_linesize - /* restore kva & n */ - move a0,t8 - move a1,t9 - vcacheop(a0,a1,a2,a3,Hit_Writeback_Inv_D) - -2: j ra -ENDFRAME(clean_cache) - -/* - * void clean_dcache (unsigned kva, size_t n) R4000 - * - * Writeback and invalidate address range in primary data cache - */ -LEAF(clean_dcache) - lw a2,dcache_size - blez a2,2f - lw a3,dcache_linesize - - vcacheop(a0,a1,a2,a3,Hit_Writeback_Inv_D) - -2: j ra -ENDFRAME(clean_dcache) - -/* - * void clean_dcache_indexed (unsigned kva, size_t n) R4000 - * - * Writeback and invalidate indexed range in primary data cache - */ -LEAF(clean_dcache_indexed) - lw a2,dcache_size - blez a2,2f - lw a3,dcache_linesize - -#ifdef CPU_ORION - srl a2,1 # do one set (half cache) at a time - move t8,a0 # save kva & n - move t9,a1 - icacheop(a0,a1,a2,a3,Index_Writeback_Inv_D) - - addu a0,t8,a2 # do next set - move a1,t9 # restore n -#endif - icacheop(a0,a1,a2,a3,Index_Writeback_Inv_D) - -2: j ra -ENDFRAME(clean_dcache_indexed) - -/* - * void clean_dcache_nowrite (unsigned kva, size_t n) R4000 - * - * Invalidate an address range in primary data cache - */ -LEAF(clean_dcache_nowrite) - lw a2,dcache_size - blez a2,2f - lw a3,dcache_linesize - - vcacheop(a0,a1,a2,a3,Hit_Invalidate_D) - -2: j ra -ENDFRAME(clean_dcache_nowrite) - -/* - * void clean_dcache_nowrite_indexed (unsigned kva, size_t n) R4000 - * - * Invalidate indexed range in primary data cache - */ -LEAF(clean_dcache_nowrite_indexed) - mfc0 v0,C0_SR - and v1,v0,~SR_IE - mtc0 v1,C0_SR - - mtc0 zero,C0_TAGLO - mtc0 zero,C0_TAGHI - - lw a2,dcache_size - blez a2,2f - lw a3,dcache_linesize - -#ifdef CPU_ORION - srl a2,1 # do one set (half cache) at a time - move t8,a0 # save kva & n - move t9,a1 - icacheop(a0,a1,a2,a3,Index_Store_Tag_D) - - addu a0,t8,a2 # do next set - move a1,t9 # restore n -#endif - icacheop(a0,a1,a2,a3,Index_Store_Tag_D) - -2: mtc0 v0,C0_SR - j ra -ENDFRAME(clean_dcache_nowrite_indexed) - -/* - * void clean_icache (unsigned kva, size_t n) R4000 - * - * Invalidate address range in primary instruction cache - */ -LEAF(clean_icache) - lw a2,icache_size - blez a2,2f - lw a3,icache_linesize - - vcacheop(a0,a1,a2,a3,Hit_Invalidate_I) - -2: j ra -ENDFRAME(clean_icache) - -/* - * void clean_icache_indexed (unsigned kva, size_t n) R4000 - * - * Invalidate indexed range in primary instruction cache - */ -LEAF(clean_icache_indexed) - lw a2,icache_size - blez a2,2f - lw a3,icache_linesize - -#ifdef CPU_ORION - srl a2,1 # do one set (half cache) at a time - move t8,a0 # save kva & n - move t9,a1 - icacheop(a0,a1,a2,a3,Index_Invalidate_I) - - addu a0,t8,a2 # do next set - move a1,t9 # restore n -#endif - icacheop(a0,a1,a2,a3,Index_Invalidate_I) - -2: j ra -ENDFRAME(clean_icache_indexed) - -/* - * void clean_scache (unsigned kva, size_t n) R4000 - * - * Writeback and invalidate address range in secondary cache - */ -LEAF(clean_scache) - lw a2,scache_size - blez a2,2f - lw a3,scache_linesize - vcacheop(a0,a1,a2,a3,Hit_Writeback_Inv_SD) - -2: j ra -ENDFRAME(clean_scache) - -/* - * void clean_scache_indexed (unsigned kva, size_t n) R4000 - * - * Writeback and invalidate indexed range in secondary cache - */ -LEAF(clean_scache_indexed) - lw a2,scache_size - blez a2,2f - lw a3,scache_linesize - - icacheop(a0,a1,a2,a3,Index_Writeback_Inv_SD) - -2: j ra -ENDFRAME(clean_scache_indexed) - -/* - * void clean_scache_nowrite (unsigned kva, size_t n) R4000 - * - * Invalidate an address range in secondary cache - */ -LEAF(clean_scache_nowrite) - lw a2,scache_size - blez a2,2f - lw a3,scache_linesize - - vcacheop(a0,a1,a2,a3,Hit_Invalidate_SD) - -2: j ra -ENDFRAME(clean_scache_nowrite) - -/* - * void clean_scache_nowrite_indexed (unsigned kva, size_t n) R4000 - * - * Invalidate indexed range in secondary cache - */ -LEAF(clean_scache_nowrite_indexed) - mfc0 v0,C0_SR - and v1,v0,~SR_IE - mtc0 v1,C0_SR - - mtc0 zero,C0_TAGLO - mtc0 zero,C0_TAGHI - - lw a2,scache_size - blez a2,2f - lw a3,scache_linesize - - icacheop(a0,a1,a2,a3,Index_Store_Tag_SD) - -2: mtc0 v0,C0_SR - j ra -ENDFRAME(clean_scache_nowrite_indexed) - -/************************************************************************** -** -** get_mem_conf - get memory configuration R4000 -** -***************************************************************************/ - -FRAME(get_mem_conf,sp,0,ra) - - lw t6, mem_size - sw t6, 0(a0) - lw t7, icache_size - sw t7, 4(a0) - lw t8, dcache_size - sw t8, 8(a0) - lw t7, scache_size - sw t7, 12(a0) - j ra - -ENDFRAME(get_mem_conf) - -#endif /* __mips == 3 */ - -/* - * void set_mem_size (mem_size) - * - * config_memory()'s memory size gets written into mem_size here. - * Now we don't need to call config_cache() with memory size - New to IDTC6.0 - */ -FRAME(set_memory_size,sp,0,ra) - sw a0, mem_size - j ra -ENDFRAME(set_memory_size) diff --git a/c/src/lib/libbsp/mips/shared/startup/idttlb.S b/c/src/lib/libbsp/mips/shared/startup/idttlb.S deleted file mode 100644 index 2574027dc9..0000000000 --- a/c/src/lib/libbsp/mips/shared/startup/idttlb.S +++ /dev/null @@ -1,388 +0,0 @@ -/* - -Based upon IDT provided code with the following release: - -This source code has been made available to you by IDT on an AS-IS -basis. Anyone receiving this source is licensed under IDT copyrights -to use it in any way he or she deems fit, including copying it, -modifying it, compiling it, and redistributing it either with or -without modifications. No license under IDT patents or patent -applications is to be implied by the copyright license. - -Any user of this software should understand that IDT cannot provide -technical support for this software and will not be responsible for -any consequences resulting from the use of this software. - -Any person who transfers this source code or any derivative work must -include the IDT copyright notice, this paragraph, and the preceeding -two paragraphs in the transferred software. - -COPYRIGHT IDT CORPORATION 1996 -LICENSED MATERIAL - PROGRAM PROPERTY OF IDT -*/ - - -/* -** idttlb.s - fetch the registers associated with and the contents -** of the tlb. -** -*/ -/* 950308: Ketan patched a few tlb functions that would not have worked.*/ -#include <rtems/mips/iregdef.h> -#include <rtems/mips/idtcpu.h> -#include <rtems/asm.h> - - - .text - -#if __mips == 1 -/* -** ret_tlblo -- returns the 'entrylo' contents for the TLB -** 'c' callable - as ret_tlblo(index) - where index is the -** tlb entry to return the lo value for - if called from assembly -** language then index should be in register a0. -*/ -FRAME(ret_tlblo,sp,0,ra) - .set noreorder - mfc0 t0,C0_SR # save sr - nop - and t0,~SR_PE # dont inadvertantly clear PE - mtc0 zero,C0_SR # clear interrupts - mfc0 t1,C0_TLBHI # save pid - sll a0,TLBINX_INXSHIFT # position index - mtc0 a0,C0_INX # write to index register - nop - tlbr # put tlb entry in entrylo and hi - nop - mfc0 v0,C0_TLBLO # get the requested entry lo - mtc0 t1,C0_TLBHI # restore pid - mtc0 t0,C0_SR # restore status register - j ra - nop - .set reorder -ENDFRAME(ret_tlblo) -#endif -#if __mips == 3 -/* -** ret_tlblo[01] -- returns the 'entrylo' contents for the TLB -** 'c' callable - as ret_tlblo(index) - where index is the -** tlb entry to return the lo value for - if called from assembly -** language then index should be in register a0. -*/ -FRAME(ret_tlblo0,sp,0,ra) - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # clear interrupts - mfc0 t1,C0_TLBHI # save pid - mtc0 a0,C0_INX # write to index register - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbr # put tlb entry in entrylo and hi - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v0,C0_TLBLO0 # get the requested entry lo - mtc0 t1,C0_TLBHI # restore pid - mtc0 t0,C0_SR # restore status register - j ra -ENDFRAME(ret_tlblo0) - -FRAME(ret_tlblo1,sp,0,ra) - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # clear interrupts - mfc0 t1,C0_TLBHI # save pid - mtc0 a0,C0_INX # write to index register - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbr # put tlb entry in entrylo and hi - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v0,C0_TLBLO1 # get the requested entry lo - mtc0 t1,C0_TLBHI # restore pid - mtc0 t0,C0_SR # restore status register - j ra -ENDFRAME(ret_tlblo1) - -/* -** ret_pagemask(index) -- return pagemask contents of tlb entry "index" -*/ -FRAME(ret_pagemask,sp,0,ra) - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # disable interrupts - mfc0 t1,C0_TLBHI # save current pid - mtc0 a0,C0_INX # drop it in C0 register - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbr # read entry to entry hi/lo - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v0,C0_PAGEMASK # to return value - mtc0 t1,C0_TLBHI # restore current pid - mtc0 t0,C0_SR # restore sr - j ra -ENDFRAME(ret_pagemask) - -/* -** ret_tlbwired(void) -- return wired register -*/ -FRAME(ret_tlbwired,sp,0,ra) - mfc0 v0,C0_WIRED - j ra -ENDFRAME(ret_tlbwired) -#endif - -/* -** ret_tlbhi -- return the tlb entry high content for tlb entry -** index -*/ -FRAME(ret_tlbhi,sp,0,ra) -#if __mips == 1 - .set noreorder - mfc0 t0,C0_SR # save sr - nop - and t0,~SR_PE - mtc0 zero,C0_SR # disable interrupts - mfc0 t1,C0_TLBHI # save current pid - sll a0,TLBINX_INXSHIFT # position index - mtc0 a0,C0_INX # drop it in C0 register - nop - tlbr # read entry to entry hi/lo - nop - mfc0 v0,C0_TLBHI # to return value - mtc0 t1,C0_TLBHI # restore current pid - mtc0 t0,C0_SR # restore sr - j ra - nop - .set reorder -#endif -#if __mips == 3 - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # disable interrupts - mfc0 t1,C0_TLBHI # save current pid - mtc0 a0,C0_INX # drop it in C0 register - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbr # read entry to entry hi/lo0/lo1/mask - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v0,C0_TLBHI # to return value - mtc0 t1,C0_TLBHI # restore current pid - mtc0 t0,C0_SR # restore sr - j ra -#endif -ENDFRAME(ret_tlbhi) - -/* -** ret_tlbpid() -- return tlb pid contained in the current entry hi -*/ -FRAME(ret_tlbpid,sp,0,ra) -#if __mips == 1 - .set noreorder - mfc0 v0,C0_TLBHI # fetch tlb high - nop - and v0,TLBHI_PIDMASK # isolate and position - srl v0,TLBHI_PIDSHIFT - j ra - nop - .set reorder -#endif -#if __mips == 3 - mfc0 v0,C0_TLBHI # to return value - nop - and v0,TLBHI_PIDMASK - j ra -#endif -ENDFRAME(ret_tlbpid) - -/* -** tlbprobe(address, pid) -- probe the tlb to see if address is currently -** mapped -** a0 = vpn - virtual page numbers are 0=0 1=0x1000, 2=0x2000... -** virtual page numbers for the r3000 are in -** entry hi bits 31-12 -** a1 = pid - this is a process id ranging from 0 to 63 -** this process id is shifted left 6 bits and or'ed into -** the entry hi register -** returns an index value (0-63) if successful -1 -f not -*/ -FRAME(tlbprobe,sp,0,ra) -#if __mips == 1 - .set noreorder - mfc0 t0,C0_SR /* fetch status reg */ - and a0,TLBHI_VPNMASK /* isolate just the vpn */ - and t0,~SR_PE /* don't inadvertantly clear pe */ - mtc0 zero,C0_SR - mfc0 t1,C0_TLBHI - sll a1,TLBHI_PIDSHIFT /* possition the pid */ - and a1,TLBHI_PIDMASK - or a0,a1 /* build entry hi value */ - mtc0 a0,C0_TLBHI - nop - tlbp /* do the probe */ - nop - mfc0 v1,C0_INX - li v0,-1 - bltz v1,1f - nop - sra v0,v1,TLBINX_INXSHIFT /* get index positioned for return */ -1: - mtc0 t1,C0_TLBHI /* restore tlb hi */ - mtc0 t0,C0_SR /* restore the status reg */ - j ra - nop - .set reorder -#endif -#if __mips == 3 - mfc0 t0,C0_SR # save sr - mtc0 zero,C0_SR # disable interrupts - mfc0 t1,C0_TLBHI # save current pid - and a0,TLBHI_VPN2MASK # construct tlbhi for probe - and a1,TLBHI_PIDMASK - or a0,a1 - mtc0 a0,C0_TLBHI - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbp # probe entry to entry hi/lo0/lo1/mask - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mfc0 v1,C0_INX - li v0,-1 - bltz v1,1f - move v0,v1 -1: mtc0 t1,C0_TLBHI # restore current pid - mtc0 t0,C0_SR # restore sr - j ra -#endif -ENDFRAME(tlbprobe) - -/* -** resettlb(index) Invalidate the TLB entry specified by index -*/ -FRAME(resettlb,sp,0,ra) -#if __mips == 1 - .set noreorder - mfc0 t0,C0_TLBHI # fetch the current hi - mfc0 v0,C0_SR # fetch the status reg. - li t2,K0BASE&TLBHI_VPNMASK - and v0,~SR_PE # dont inadvertantly clear PE - mtc0 zero,C0_SR - mtc0 t2,C0_TLBHI # set up tlbhi - mtc0 zero,C0_TLBLO - sll a0,TLBINX_INXSHIFT - mtc0 a0,C0_INX - nop - tlbwi # do actual invalidate - nop - mtc0 t0,C0_TLBHI - mtc0 v0,C0_SR - j ra - nop - .set reorder -#endif -#if __mips == 3 - li t2,K0BASE&TLBHI_VPN2MASK - mfc0 t0,C0_TLBHI # save current TLBHI - mfc0 v0,C0_SR # save SR and disable interrupts - mtc0 zero,C0_SR - mtc0 t2,C0_TLBHI # invalidate entry - mtc0 zero,C0_TLBLO0 - mtc0 zero,C0_TLBLO1 - mtc0 a0,C0_INX - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbwi - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mtc0 t0,C0_TLBHI - mtc0 v0,C0_SR - j ra -#endif -ENDFRAME(resettlb) - -#if __mips == 1 -/* -** Setup TLB entry -** -** map_tlb(index, tlbhi, phypage) -** a0 = TLB entry index -** a1 = virtual page number and PID -** a2 = physical page -*/ -FRAME(map_tlb,sp,0,ra) - .set noreorder - sll a0,TLBINX_INXSHIFT - mfc0 v0,C0_SR # fetch the current status - mfc0 a3,C0_TLBHI # save the current hi - and v0,~SR_PE # dont inadvertantly clear parity - - mtc0 zero,C0_SR - mtc0 a1,C0_TLBHI # set the hi entry - mtc0 a2,C0_TLBLO # set the lo entry - mtc0 a0,C0_INX # load the index - nop - tlbwi # put the hi/lo in tlb entry indexed - nop - mtc0 a3,C0_TLBHI # put back the tlb hi reg - mtc0 v0,C0_SR # restore the status register - j ra - nop - .set reorder -ENDFRAME(map_tlb) -#endif -#if __mips == 3 -/* -** Setup R4000 TLB entry -** -** map_tlb4000(mask_index, tlbhi, pte_even, pte_odd) -** a0 = TLB entry index and page mask -** a1 = virtual page number and PID -** a2 = pte -- contents of even pte -** a3 = pte -- contents of odd pte -*/ -FRAME(map_tlb4000,sp,0,ra) - and t2,a0,TLBPGMASK_MASK - and a0,TLBINX_INXMASK - mfc0 t1,C0_TLBHI # save current TLBPID - mfc0 v0,C0_SR # save SR and disable interrupts - mtc0 zero,C0_SR - mtc0 t2,C0_PAGEMASK # set - mtc0 a1,C0_TLBHI # set VPN and TLBPID - mtc0 a2,C0_TLBLO0 # set PPN and access bits - mtc0 a3,C0_TLBLO1 # set PPN and access bits - mtc0 a0,C0_INX # set INDEX to wired entry - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - tlbwi # drop it in - .set noreorder - nop; nop; nop; nop; nop; nop; nop; nop - .set reorder - mtc0 t1,C0_TLBHI # restore TLBPID - mtc0 v0,C0_SR # restore SR - j ra -ENDFRAME(map_tlb4000) -#endif - - -/* -** Set current TLBPID. This assumes PID is positioned correctly in reg. -** a0. -*/ -FRAME(set_tlbpid,sp,0,ra) - .set noreorder - mtc0 a0,C0_TLBHI - j ra - nop - .set reorder -ENDFRAME(set_tlbpid) - |