diff options
| author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2008-09-30 16:03:11 +0000 |
|---|---|---|
| committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2008-09-30 16:03:11 +0000 |
| commit | 882b5f28f2cf7c4a5390a9bf37407e96460e3476 (patch) | |
| tree | 0c12ef354e0178ec4ebca816bb22b4c1b367d41d /c/src/lib | |
| parent | 2008-09-30 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
| download | rtems-882b5f28f2cf7c4a5390a9bf37407e96460e3476.tar.bz2 | |
2008-09-30 Ralf Corsépius <ralf.corsepius@rtems.org>
* Makefile.am: Eliminate bsp.am. Build startup files as side-effect
of building libbspstart.a, using automake-rules.
* start/startfor340only.S: Remove (Unused).
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/m68k/gen68340/ChangeLog | 6 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/gen68340/Makefile.am | 8 | ||||
| -rw-r--r-- | c/src/lib/libbsp/m68k/gen68340/start/startfor340only.S | 489 |
3 files changed, 9 insertions, 494 deletions
diff --git a/c/src/lib/libbsp/m68k/gen68340/ChangeLog b/c/src/lib/libbsp/m68k/gen68340/ChangeLog index 5cd1784fcc..70867ceb4d 100644 --- a/c/src/lib/libbsp/m68k/gen68340/ChangeLog +++ b/c/src/lib/libbsp/m68k/gen68340/ChangeLog @@ -1,3 +1,9 @@ +2008-09-30 Ralf Corsépius <ralf.corsepius@rtems.org> + + * Makefile.am: Eliminate bsp.am. Build startup files as side-effect + of building libbspstart.a, using automake-rules. + * start/startfor340only.S: Remove (Unused). + 2008-09-29 Ralf Corsépius <ralf.corsepius@rtems.org> * Makefile.am: Eliminate *_SOURCES. diff --git a/c/src/lib/libbsp/m68k/gen68340/Makefile.am b/c/src/lib/libbsp/m68k/gen68340/Makefile.am index f8f96c1bf6..c2d3f5864d 100644 --- a/c/src/lib/libbsp/m68k/gen68340/Makefile.am +++ b/c/src/lib/libbsp/m68k/gen68340/Makefile.am @@ -5,7 +5,6 @@ ACLOCAL_AMFLAGS = -I ../../../../aclocal include $(top_srcdir)/../../../../automake/compile.am -include $(top_srcdir)/../../bsp.am include_bspdir = $(includedir)/bsp @@ -26,14 +25,13 @@ include_HEADERS += include/m68340.h include_HEADERS += include/m68340.inc include_HEADERS += include/m68349.inc -EXTRA_DIST = start/start.S start/startfor340only.S -start.$(OBJEXT): start/start.S - $(CPPASCOMPILE) -o $@ -c $< +noinst_LIBRARIES = libbspstart.a +libbspstart_a_SOURCES = start/start.S project_lib_DATA = start.$(OBJEXT) dist_project_lib_DATA += startup/linkcmds -noinst_LIBRARIES = libbsp.a +noinst_LIBRARIES += libbsp.a libbsp_a_SOURCES = # startup diff --git a/c/src/lib/libbsp/m68k/gen68340/start/startfor340only.S b/c/src/lib/libbsp/m68k/gen68340/start/startfor340only.S deleted file mode 100644 index 2a66ea2d90..0000000000 --- a/c/src/lib/libbsp/m68k/gen68340/start/startfor340only.S +++ /dev/null @@ -1,489 +0,0 @@ -/* - * This file contains the entry point for the application. - * The name of this entry point is compiler dependent. - * It jumps to the BSP which is responsible for performing - * all initialization. - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - * - * Based on the `gen68360' board support package, and covered by the - * original distribution terms. - * - * Geoffroy Montel - * France Telecom - CNET/DSM/TAM/CAT - * 4, rue du Clos Courtel - * 35512 CESSON-SEVIGNE - * FRANCE - * - * e-mail: g_montel@yahoo.com - * - * $Id$ - */ - -#include <rtems/asm.h> -#include <m68340.inc> - -BEGIN_CODE - /* - * Step 1: Decide on Reset Stack Pointer and Initial Program Counter - */ -Entry: - .long SYM(m340)+1024 | 0: Initial SSP - .long start | 1: Initial PC - .long SYM(_uhoh) | 2: Bus error - .long SYM(_uhoh) | 3: Address error - .long SYM(_uhoh) | 4: Illegal instruction - .long SYM(_uhoh) | 5: Zero division - .long SYM(_uhoh) | 6: CHK, CHK2 instruction - .long SYM(_uhoh) | 7: TRAPcc, TRAPV instructions - .long SYM(_uhoh) | 8: Privilege violation - .long SYM(_uhoh) | 9: Trace - .long SYM(_uhoh) | 10: Line 1010 emulator - .long SYM(_uhoh) | 11: Line 1111 emulator - .long SYM(_uhoh) | 12: Hardware breakpoint - .long SYM(_uhoh) | 13: Reserved for coprocessor violation - .long SYM(_uhoh) | 14: Format error - .long SYM(_uhoh) | 15: Uninitialized interrupt - .long SYM(_uhoh) | 16: Unassigned, reserved - .long SYM(_uhoh) | 17: - .long SYM(_uhoh) | 18: - .long SYM(_uhoh) | 19: - .long SYM(_uhoh) | 20: - .long SYM(_uhoh) | 21: - .long SYM(_uhoh) | 22: - .long SYM(_uhoh) | 23: - .long SYM(_spuriousInterrupt) | 24: Spurious interrupt - .long SYM(_uhoh) | 25: Level 1 interrupt autovector - .long SYM(_uhoh) | 26: Level 2 interrupt autovector - .long SYM(_uhoh) | 27: Level 3 interrupt autovector - .long SYM(_uhoh) | 28: Level 4 interrupt autovector - .long SYM(_uhoh) | 29: Level 5 interrupt autovector - .long SYM(_uhoh) | 30: Level 6 interrupt autovector - .long SYM(_uhoh) | 31: Level 7 interrupt autovector - .long SYM(_uhoh) | 32: Trap instruction (0-15) - .long SYM(_uhoh) | 33: - .long SYM(_uhoh) | 34: - .long SYM(_uhoh) | 35: - .long SYM(_uhoh) | 36: - .long SYM(_uhoh) | 37: - .long SYM(_uhoh) | 38: - .long SYM(_uhoh) | 39: - .long SYM(_uhoh) | 40: - .long SYM(_uhoh) | 41: - .long SYM(_uhoh) | 42: - .long SYM(_uhoh) | 43: - .long SYM(_uhoh) | 44: - .long SYM(_uhoh) | 45: - .long SYM(_uhoh) | 46: - .long SYM(_uhoh) | 47: - .long SYM(_uhoh) | 48: Reserved for coprocessor - .long SYM(_uhoh) | 49: - .long SYM(_uhoh) | 50: - .long SYM(_uhoh) | 51: - .long SYM(_uhoh) | 52: - .long SYM(_uhoh) | 53: - .long SYM(_uhoh) | 54: - .long SYM(_uhoh) | 55: - .long SYM(_uhoh) | 56: - .long SYM(_uhoh) | 57: - .long SYM(_uhoh) | 58: - .long SYM(_uhoh) | 59: Unassigned, reserved - .long SYM(_uhoh) | 60: - .long SYM(_uhoh) | 61: - .long SYM(_uhoh) | 62: - .long SYM(_uhoh) | 63: - .long SYM(_uhoh) | 64: User defined vectors (192) - .long SYM(_uhoh) | 65: - .long SYM(_uhoh) | 66: - .long SYM(_uhoh) | 67: - .long SYM(_uhoh) | 68: - .long SYM(_uhoh) | 69: - .long SYM(_uhoh) | 70: - .long SYM(_uhoh) | 71: - .long SYM(_uhoh) | 72: - .long SYM(_uhoh) | 73: - .long SYM(_uhoh) | 74: - .long SYM(_uhoh) | 75: - .long SYM(_uhoh) | 76: - .long SYM(_uhoh) | 77: - .long SYM(_uhoh) | 78: - .long SYM(_uhoh) | 79: - .long SYM(_uhoh) | 80: - .long SYM(_uhoh) | 81: - .long SYM(_uhoh) | 82: - .long SYM(_uhoh) | 83: - .long SYM(_uhoh) | 84: - .long SYM(_uhoh) | 85: - .long SYM(_uhoh) | 86: - .long SYM(_uhoh) | 87: - .long SYM(_uhoh) | 88: - .long SYM(_uhoh) | 89: - .long SYM(_uhoh) | 90: - .long SYM(_uhoh) | 91: - .long SYM(_uhoh) | 92: - .long SYM(_uhoh) | 93: - .long SYM(_uhoh) | 94: - .long SYM(_uhoh) | 95: - .long SYM(_uhoh) | 96: - .long SYM(_uhoh) | 97: - .long SYM(_uhoh) | 98: - .long SYM(_uhoh) | 99: - .long SYM(_uhoh) | 100: - .long SYM(_uhoh) | 101: - 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*/ - PUBLIC (_uhoh) -SYM(_uhoh): nop | Leave spot for breakpoint - stop #0x2700 | Stop with interrupts disabled - bra.s SYM(_uhoh) | Stuck forever - -/* - * Log, but otherwise ignore, spurious interrupts - */ - PUBLIC (_spuriousInterrupt) -SYM(_spuriousInterrupt): - addql #1,SYM(_M68kSpuriousInterruptCount) - rte - -/* - * Place the low-order 3 octets of the board's ethernet address at - * a `well-known' fixed location relative to the startup location. - */ - .align 2 - .word 0 | Padding -ethernet_address_buffer: - .word 0x08F3 | Default address - .word 0xDEAD - .word 0xCAFE - -/* -- equates -- */ -.equ _PROM_Start, 0x01000000 /* CS0 */ -.equ _BCCram_Start, 0x00000000 /* CS1 */ -.equ _FLEX_Start, 0x08000000 /* CS2 */ -.equ _I2C_Start, 0x02000000 /* CS3 */ -.equ _EXTram_Start, 0x10000000 /* CS4 */ -.equ _EXTram_Size, 0x000400000 /* 4 Mbytes */ -.equ _SPEED, 0xD780 /* 25 Mhz CPU349 */ -/* .equ _SPEED, 0xD700 25 Mhz */ -/* .equ _SPEED, 0xCE00 16 Mhz */ - -BEGIN_DATA - -_crt0_init_stack: - ds.l 0x1000 -_crt0_init_stktop: - -BEGIN_CODE - dc.l _crt0_init_stktop /* reset SP */ - dc.l _crt0_cold_start /* reset PC */ - dc.l _crt0_warm_start - - .ascii "RTEMS" - dc.w 0 - -.align 2 - -_table_cs: - /* carte Astecc - 68340 */ - dc.l 0x003FFFF0 /* Mask CS0 (4Mbytes PROM, 32bits, 0WS) */ -/* dc.l 0x003FFFFD Mask CS0 (4Mbytes PROM, 16bits, 3WS) */ - dc.l ((_PROM_Start&0xFFFFFF00)+0x00000003) /* Base CS0 */ -/* dc.l 0x0000FFF1 MASK CS1 (RAMBCC340, 0WS, FTE) */ - dc.l 0x0000FFFD /* MASK CS1 (RAMBCC340, 0WS, FTE) */ -/* dc.l ((_BCCram_Start&0xFFFFFF00)+0x00000007) Base CS1 */ - dc.l ((_BCCram_Start&0xFFFFFF00)+0x00000003) /* Base CS1 */ - dc.l 0x000000FF /* MASK CS2 (FLEX, ext DTACK, 256 bytes) */ - dc.l ((_FLEX_Start&0xFFFFFF00)+0x00000003) /* Base CS2 */ - dc.l 0x000000FF /* Mask CS3 (I2C, ext DTACK, 256 bytes) */ - dc.l ((_I2C_Start&0xFFFFFF00)+0x00000003) /* Base CS3 */ - -/* - * Initial PC - */ -.globl start -start: - -_crt0_cold_start: - moveq.l #0,d0 /* signal cold reset */ - bra.s _crt0_common_start - -_crt0_warm_start: - moveq.l #1,d0 /* signal warm reset */ - -_crt0_common_start: - move.w #0x2700,sr /* disable interrupts and switch to interrupt mode */ - movea.l #_crt0_init_stktop,sp /* set up initialization stack */ - - lea Entry,a0 /* Get base of vector table */ - movec a0,vbr /* Set up the VBR */ - - moveq.l #0x07,d1 - movec.l d1,dfc /* prepare access in CPU space */ - move.l #(BASE_SIM+1),d1 - moves.l d1,BASE_REG /* base initialization (must be MOVES, PCC-130795) */ - moveq.l #0x05,d1 - movec.l d1,dfc - - movea.l #BASE_SIM,a0 - - /* -- disable Bus Monitor -- */ - move.b #0,SIM_SYPCR(a0) /* system protection control register */ - - /* -- set frequency to 25.16 Mhz -- */ - move.w #_SPEED,SIM_SYNCR(a0) /* clock */ - -sync_wait: - btst.b #3,(SIM_SYNCR+1)(a0) - beq sync_wait - - /* -- enable A31-A24 -- */ - clr.b SIM_PPRA1(a0) - - /* -- show cycles, user acces to SIM, 4 /CS & 4 /IT -- */ - move.w #0x427F,SIM_MCR(a0) - - /* -- chip select initialization -- */ - lea.l SIM_MASKH0(a0),a2 - lea.l _table_cs(%pc),a1 - - moveq.l #0x07,d1 - -_b_cs: - move.l (a1)+, (a2)+ - dbra d1,_b_cs - - /* fill RAM if COLDSTART */ - tst.l d0 - bne _dont_fill - - movea.l #_EXTram_Start,a0 /* get start */ - move.l #_EXTram_Size,d1 /* get size */ - lsr.l #2,d1 /* ajust for long word */ - -_fill_loop: - clr.l (a0)+ - subq.l #1,d1 - bne _fill_loop - -_dont_fill: - jmp SYM(_Init68340) | Start C code (which never returns) - -/* - * Copy DATA segment, clear BSS segment, set up real stack, - * initialize heap, start C program. - * Assume that DATA and BSS sizes are multiples of 4. - */ - PUBLIC (_CopyDataClearBSSAndStart) -SYM(_CopyDataClearBSSAndStart): - lea copy_start,a0 | Get start of DATA in RAM - lea SYM(etext),a2 | Get start of DATA in ROM - cmpl a0,a2 | Are they the same? - beq.s NOCOPY | Yes, no copy necessary - lea copy_end,a1 | Get end of DATA in RAM - bra.s COPYLOOPTEST | Branch into copy loop -COPYLOOP: - movel a2@+,a0@+ | Copy word from ROM to RAM -COPYLOOPTEST: - cmpl a1,a0 | Done? - bcs.s COPYLOOP | No, skip -NOCOPY: - - lea clear_start,a0 | Get start of BSS - lea clear_end,a1 | Get end of BSS - clrl d0 | Value to set - bra.s ZEROLOOPTEST | Branch into clear loop -ZEROLOOP: - movel d0,a0@+ | Clear a word -ZEROLOOPTEST: - cmpl a1,a0 | Done? - bcs.s ZEROLOOP | No, skip - - movel #stack_init,a7 | set master stack pointer - movel d0,a7@- | environp - movel d0,a7@- | argv - movel d0,a7@- | argc - jsr SYM(boot_card) | Call C main - - PUBLIC (_mainDone) -SYM(_mainDone): - nop | Leave spot for breakpoint - movew #1,a7 | Force a double bus error - movel d0,a7@- | This should cause a RESET - stop #0x2700 | Stop with interrupts disabled - bra.s SYM(_mainDone) | Stuck forever - - .align 2 - -BEGIN_DATA_DCL - .align 2 - PUBLIC (environ) -SYM (environ): - .long 0 - PUBLIC (_M68kSpuriousInterruptCount) -SYM (_M68kSpuriousInterruptCount): - .long 0 -END_DATA_DCL - -END |