Author: stepan Date: 2006-05-22 12:33:31 +0200 (Mon, 22 May 2006) New Revision: 24
Added: openbios-devel/arch/sparc32/libgcc/__lshrdi3.c Modified: openbios-devel/arch/sparc32/aoutload.c openbios-devel/arch/sparc32/context.c openbios-devel/arch/sparc32/entry.S openbios-devel/arch/sparc32/ldscript openbios-devel/arch/sparc32/lib.c openbios-devel/arch/sparc32/libgcc/build.xml openbios-devel/arch/sparc32/loadfs.c openbios-devel/arch/sparc32/openbios.c openbios-devel/arch/sparc32/romvec.c openbios-devel/arch/sparc32/switch.S openbios-devel/arch/sparc32/sys_info.c openbios-devel/arch/sparc32/tree.fs Log: blueswirl -14 sparc32 related
Modified: openbios-devel/arch/sparc32/aoutload.c =================================================================== --- openbios-devel/arch/sparc32/aoutload.c 2006-05-18 21:57:08 UTC (rev 23) +++ openbios-devel/arch/sparc32/aoutload.c 2006-05-22 10:33:31 UTC (rev 24) @@ -92,16 +92,16 @@
if (N_MAGIC(ehdr) == NMAGIC) { if (lfile_read(start, ehdr.a_text) != ehdr.a_text) { - printf("Can't read program text segment (size 0x%x)\n", ehdr.a_text); + printf("Can't read program text segment (size 0x%lx)\n", ehdr.a_text); goto out; } if (lfile_read(start + N_DATADDR(ehdr), ehdr.a_data) != ehdr.a_data) { - printf("Can't read program data segment (size 0x%x)\n", ehdr.a_data); + printf("Can't read program data segment (size 0x%lx)\n", ehdr.a_data); goto out; } } else { if (lfile_read(start, size) != size) { - printf("Can't read program (size 0x%x)\n", size); + printf("Can't read program (size 0x%lx)\n", size); goto out; } }
Modified: openbios-devel/arch/sparc32/context.c =================================================================== --- openbios-devel/arch/sparc32/context.c 2006-05-18 21:57:08 UTC (rev 23) +++ openbios-devel/arch/sparc32/context.c 2006-05-22 10:33:31 UTC (rev 24) @@ -20,8 +20,8 @@ * It is placed at the bottom of our stack, and loaded by assembly routine * to start us up. */ -struct context main_ctx __attribute__((section (".initctx"))) = { - .regs[REG_SP] = (uint32_t) SP_LOC(&main_ctx), +struct context main_ctx = { + .regs[REG_SP] = (uint32_t) &_estack - 96, .pc = (uint32_t) start_main, .npc = (uint32_t) start_main + 4, .return_addr = (uint32_t) __exit_context,
Modified: openbios-devel/arch/sparc32/entry.S =================================================================== --- openbios-devel/arch/sparc32/entry.S 2006-05-18 21:57:08 UTC (rev 23) +++ openbios-devel/arch/sparc32/entry.S 2006-05-22 10:33:31 UTC (rev 24) @@ -64,6 +64,7 @@ or %g3, 0x1, %g3 sta %g3, [%g2] ASI_M_BYPASS add %g2, 0x4, %g2 ! s+0x800 +#if 0 set 0x40, %g6 set ((7 << 2) | 2), %g3 ! 7 = U: --- S: RWX (main memory) 1: sta %g3, [%g2] ASI_M_BYPASS @@ -71,6 +72,9 @@ deccc %g6 bne 1b nop +#else + add %g2, 0x100, %g2 +#endif ! s+0x900 add %g2, 0xa00 - 0x900, %g3 ! l3 table for rom at s+0xa00 add %g2, 0x0d0, %g2 ! s+0x9d0 @@ -182,7 +186,7 @@
/* Zero out our BSS section. */ set _bss - 4, %o0 ! First address of BSS - set _end, %o1 ! Last address of BSS + set _estack, %o1 ! Last address of BSS ba 2f nop 1: @@ -192,8 +196,6 @@ bl 1b add %o0, 0x4, %o0
- set _estack, %sp - mov 0, %fp mov 2, %g1 wr %g1, 0x0, %wim ! make window 1 invalid WRITE_PAUSE @@ -218,7 +220,7 @@ wr %g3, PSR_ET, %psr WRITE_PAUSE
- call openbios + call __switch_context_nosave nop
/* We get here when the main context switches back to
Modified: openbios-devel/arch/sparc32/ldscript =================================================================== --- openbios-devel/arch/sparc32/ldscript 2006-05-18 21:57:08 UTC (rev 23) +++ openbios-devel/arch/sparc32/ldscript 2006-05-22 10:33:31 UTC (rev 24) @@ -1,6 +1,9 @@ OUTPUT_FORMAT(elf32-sparc) OUTPUT_ARCH(sparc)
+/* Qemu ELF loader can't handle very complex files, so we put ELFBoot +info to rodata and put initctx to data.*/ + ENTRY(trap_table)
/* Initial load address @@ -35,6 +38,7 @@ sound_drivers_end = .; *(.rodata) *(.rodata.*) + *(.note.ELFBoot) } .data ALIGN(4096): { _data = .; @@ -68,18 +72,12 @@ _estack = .; }
- .initctx : { - /* Initial contents of stack. This MUST BE just after the stack. */ - *(.initctx) - } - /* Putting ELF notes near beginning of file might help bootloaders. - * We discard .note sections other than .note.ELFBoot, - * because some versions of GCC generates useless ones. */ - .note : { *(.note.ELFBoot) } - . = ALIGN(4096); _end = .; _iomem = _end + IOMEM_SIZE;
- /DISCARD/ : { *(.comment.*) *(.note.*) } + /* We discard .note sections other than .note.ELFBoot, + * because some versions of GCC generates useless ones. */ + + /DISCARD/ : { *(.comment*) *(.note.*) } }
Modified: openbios-devel/arch/sparc32/lib.c =================================================================== --- openbios-devel/arch/sparc32/lib.c 2006-05-18 21:57:08 UTC (rev 23) +++ openbios-devel/arch/sparc32/lib.c 2006-05-22 10:33:31 UTC (rev 24) @@ -32,22 +32,11 @@ return i; }
-// dumb quick memory allocator until we get a decent thing here. - -#define MEMSIZE 128*1024 -static char memory[MEMSIZE]; -static void *memptr=memory; -static int memsize=MEMSIZE; - void *malloc(int size) { - void *ret=(void *)0; - if(memsize>=size) { - memsize-=size; - ret=memptr; - memptr+=size; - } - return ret; + extern struct mem cmem; + + return mem_alloc(&cmem, size, 4); }
void free(void *ptr)
Added: openbios-devel/arch/sparc32/libgcc/__lshrdi3.c =================================================================== --- openbios-devel/arch/sparc32/libgcc/__lshrdi3.c (rev 0) +++ openbios-devel/arch/sparc32/libgcc/__lshrdi3.c 2006-05-22 10:33:31 UTC (rev 24) @@ -0,0 +1,62 @@ +/* lshrdi3.c extracted from gcc-2.7.2/libgcc2.c which is: */ +/* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#define BITS_PER_UNIT 8 + +typedef int SItype __attribute__ ((mode (SI))); +typedef unsigned int USItype __attribute__ ((mode (SI))); +typedef int DItype __attribute__ ((mode (DI))); +typedef int word_type __attribute__ ((mode (__word__))); + +struct DIstruct {SItype high, low;}; + +typedef union +{ + struct DIstruct s; + DItype ll; +} DIunion; + +DItype +__lshrdi3 (DItype u, word_type b) +{ + DIunion w; + word_type bm; + DIunion uu; + + if (b == 0) + return u; + + uu.ll = u; + + bm = (sizeof (SItype) * BITS_PER_UNIT) - b; + if (bm <= 0) + { + w.s.high = 0; + w.s.low = (USItype)uu.s.high >> -bm; + } + else + { + USItype carries = (USItype)uu.s.high << bm; + w.s.high = (USItype)uu.s.high >> b; + w.s.low = ((USItype)uu.s.low >> b) | carries; + } + + return w.ll; +}
Modified: openbios-devel/arch/sparc32/libgcc/build.xml =================================================================== --- openbios-devel/arch/sparc32/libgcc/build.xml 2006-05-18 21:57:08 UTC (rev 23) +++ openbios-devel/arch/sparc32/libgcc/build.xml 2006-05-22 10:33:31 UTC (rev 24) @@ -7,6 +7,7 @@ <object source="__udivdi3.c"/> <object source="__udivmoddi4.c"/> <object source="__umoddi3.c"/> + <object source="__lshrdi3.c"/> </library>
</build>
Modified: openbios-devel/arch/sparc32/loadfs.c =================================================================== --- openbios-devel/arch/sparc32/loadfs.c 2006-05-18 21:57:08 UTC (rev 23) +++ openbios-devel/arch/sparc32/loadfs.c 2006-05-22 10:33:31 UTC (rev 24) @@ -8,26 +8,35 @@ int file_open(const char *filename) { load_fd=open_io(filename); - /* if(load_fd!=-1) */ seek_io(load_fd, 0); + if(load_fd >= 0) + seek_io(load_fd, 0); return load_fd>-1; }
int lfile_read(void *buf, unsigned long len) { - int ret; - ret=read_io(load_fd, buf, len); + int ret = 0; + + if (load_fd >= 0) + ret=read_io(load_fd, buf, len); return ret; }
int file_seek(unsigned long offset) { - return seek_io(load_fd, offset); + if (load_fd >= 0) + return seek_io(load_fd, offset); + else + return -1; }
unsigned long file_size(void) { llong fpos, fsize; + if (load_fd < 0) + return 0; + /* save current position */ fpos=tell(load_fd);
Modified: openbios-devel/arch/sparc32/openbios.c =================================================================== --- openbios-devel/arch/sparc32/openbios.c 2006-05-18 21:57:08 UTC (rev 23) +++ openbios-devel/arch/sparc32/openbios.c 2006-05-22 10:33:31 UTC (rev 24) @@ -19,11 +19,10 @@ void boot(void); void ob_ide_init(void);
-static char intdict[256 * 1024]; +static unsigned char intdict[256 * 1024];
static void init_memory(void) { - extern char _heap, _eheap;
/* push start and end of available memory to the stack * so that the forth word QUIT can initialize memory @@ -36,7 +35,7 @@ PUSH((unsigned int)&_eheap); }
-void exception(cell no) +void exception(__attribute__((unused))cell no) { /* The exception mechanism is used during bootstrap to catch * build errors. In a running system this is a noop since we @@ -68,6 +67,9 @@ int openbios(void) { extern struct sys_info sys_info; + extern struct mem cmem; + + mem_init(&cmem, (char *) &_vmem, (char *)&_evmem); #ifdef CONFIG_DEBUG_CONSOLE #ifdef CONFIG_DEBUG_CONSOLE_SERIAL uart_init(CONFIG_SERIAL_PORT, CONFIG_SERIAL_SPEED);
Modified: openbios-devel/arch/sparc32/romvec.c =================================================================== --- openbios-devel/arch/sparc32/romvec.c 2006-05-18 21:57:08 UTC (rev 23) +++ openbios-devel/arch/sparc32/romvec.c 2006-05-22 10:33:31 UTC (rev 24) @@ -65,7 +65,8 @@ static int prop_mem_avail[3]; static int prop_vmem_avail[6];
-static void doublewalk(unsigned ptab1, unsigned va) +static void doublewalk(__attribute__((unused)) unsigned int ptab1, + __attribute__((unused)) unsigned int va) { }
@@ -215,14 +216,14 @@ for (;;) {} }
-static void obp_abort() +static void obp_abort(void) { printk("abort, power off\n"); outb(0x71910000, 1); for (;;) {} }
-static void obp_halt() +static void obp_halt(void) { printk("halt, power off\n"); outb(0x71910000, 1); @@ -278,7 +279,7 @@ unsigned int off; unsigned int mva;
- DPRINTF("obp_dumb_mmap: virta 0x%x, which_io %d, paddr 0x%x, sz %d\n", va, which_io, pa, size); + DPRINTF("obp_dumb_mmap: virta 0x%x, which_io %d, paddr 0x%x, sz %d\n", (unsigned int)va, which_io, pa, size); off = pa & (PAGE_SIZE-1); npages = (off + size + (PAGE_SIZE-1)) / PAGE_SIZE; pa &= ~(PAGE_SIZE-1); @@ -296,7 +297,7 @@ static void obp_dumb_munmap(__attribute__((unused)) char *va, __attribute__((unused)) unsigned int size) { - DPRINTF("obp_dumb_munmap: virta 0x%x, sz %d\n", va, size); + DPRINTF("obp_dumb_munmap: virta 0x%x, sz %d\n", (unsigned int)va, size); }
static int obp_devread(int dev_desc, char *buf, int nbytes) @@ -360,14 +361,18 @@ return ret; }
-static int obp_cpustart(unsigned int whichcpu, int ctxtbl_ptr, - int thiscontext, char *prog_counter) +static int obp_cpustart(__attribute__((unused))unsigned int whichcpu, + __attribute__((unused))int ctxtbl_ptr, + __attribute__((unused))int thiscontext, + __attribute__((unused))char *prog_counter) { //int cpu, found; +#ifdef CONFIG_DEBUG_OBP struct linux_prom_registers *smp_ctable = (void *)ctxtbl_ptr; +#endif
DPRINTF("obp_cpustart: cpu %d, ctxptr 0x%x, ctx %d, pc 0x%x\n", whichcpu, - smp_ctable->phys_addr, thiscontext, prog_counter); + smp_ctable->phys_addr, thiscontext, (unsigned int)prog_counter); #if 0 found = obp_getprop(whichcpu, "mid", (char *)&cpu); if (found == -1)
Modified: openbios-devel/arch/sparc32/switch.S =================================================================== --- openbios-devel/arch/sparc32/switch.S 2006-05-18 21:57:08 UTC (rev 23) +++ openbios-devel/arch/sparc32/switch.S 2006-05-22 10:33:31 UTC (rev 24) @@ -21,62 +21,94 @@ /* XXX: totally bogus for sparc, need to save and restore all windows */ __switch_context: /* Save everything in current stack */ + set __context, %g1 + st %g2, [%g1 + 8] + st %g3, [%g1 + 12] + st %g4, [%g1 + 16] + st %g5, [%g1 + 20] + st %g6, [%g1 + 24] + st %g7, [%g1 + 28]
+ st %o0, [%g1 + 32] + st %o1, [%g1 + 36] + st %o2, [%g1 + 40] + st %o3, [%g1 + 44] + st %o4, [%g1 + 48] + st %o5, [%g1 + 52] + st %o6, [%g1 + 56] + st %o7, [%g1 + 60] + + st %l0, [%g1 + 64] + st %l1, [%g1 + 68] + st %l2, [%g1 + 72] + st %l3, [%g1 + 76] + st %l4, [%g1 + 80] + st %l5, [%g1 + 84] + st %l6, [%g1 + 88] + st %l7, [%g1 + 92] + + st %i0, [%g1 + 96] + st %i1, [%g1 + 100] + st %i2, [%g1 + 104] + st %i3, [%g1 + 108] + st %i4, [%g1 + 112] + st %i5, [%g1 + 116] + st %i6, [%g1 + 120] + st %i7, [%g1 + 124] + __switch_context_nosave: /* Interrupts are not allowed... */
/* Turn on Supervisor, EnableFloating, and all the PIL bits. * Also puts us in register window zero with traps off. */ +#if 0 set (PSR_PS | PSR_S | PSR_PIL | PSR_EF), %g2 wr %g2, 0x0, %psr +#endif /* Load all registers */ set __context, %g1 - lda [%g1] ASI_BP, %g1 - add %g1, 8, %g1 /* skip %g0 and %g1*/ + ld [%g1], %g1 + ld [%g1 + 8], %g2 + ld [%g1 + 12], %g3 + ld [%g1 + 16], %g4 + ld [%g1 + 20], %g5 + ld [%g1 + 24], %g6 + ld [%g1 + 28], %g7
-#define load_reg(reg) lda [%g1] ASI_BP, reg ; add %g1, 4, %g1 + ld [%g1 + 32], %o0 + ld [%g1 + 36], %o1 + ld [%g1 + 40], %o2 + ld [%g1 + 44], %o3 + ld [%g1 + 48], %o4 + ld [%g1 + 52], %o5 + ld [%g1 + 56], %o6 + ld [%g1 + 60], %o7
- load_reg(%g2) - load_reg(%g3) - load_reg(%g4) - load_reg(%g5) - load_reg(%g6) - load_reg(%g7) + ld [%g1 + 64], %l0 + ld [%g1 + 68], %l1 + ld [%g1 + 72], %l2 + ld [%g1 + 76], %l3 + ld [%g1 + 80], %l4 + ld [%g1 + 84], %l5 + ld [%g1 + 88], %l6 + ld [%g1 + 92], %l7
- load_reg(%o0) - load_reg(%o1) - load_reg(%o2) - load_reg(%o3) - load_reg(%o4) - load_reg(%o5) - load_reg(%o6) - load_reg(%o7) - - load_reg(%l0) - load_reg(%l1) - load_reg(%l2) - load_reg(%l3) - load_reg(%l4) - load_reg(%l5) - load_reg(%l6) - load_reg(%l7) - - load_reg(%i0) - load_reg(%i1) - load_reg(%i2) - load_reg(%i3) - load_reg(%i4) - load_reg(%i5) - load_reg(%i6) - load_reg(%i7) - + ld [%g1 + 96], %i0 + ld [%g1 + 100], %i1 + ld [%g1 + 104], %i2 + ld [%g1 + 108], %i3 + ld [%g1 + 112], %i4 + ld [%g1 + 116], %i5 + ld [%g1 + 120], %i6 + ld [%g1 + 124], %i7 + + ld [%g1 + 128], %g1 /* Finally, load new %pc */ - lda [%g1] ASI_BP, %g1 jmp %g1 - nop + clr %g1
__exit_context: /* Get back to the original context */
Modified: openbios-devel/arch/sparc32/sys_info.c =================================================================== --- openbios-devel/arch/sparc32/sys_info.c 2006-05-18 21:57:08 UTC (rev 23) +++ openbios-devel/arch/sparc32/sys_info.c 2006-05-22 10:33:31 UTC (rev 24) @@ -1,5 +1,6 @@ #include "openbios/config.h" #include "openbios/kernel.h" +#include "elf_boot.h" #include "sys_info.h" #include "context.h"
@@ -19,6 +20,7 @@ int i; unsigned long long total = 0; struct memrange *mmap; + extern struct elf_image_note elf_image_notes;
/* Pick up paramters given by bootloader to us */ //info->boot_type = boot_ctx->eax; @@ -26,6 +28,8 @@ info->boot_arg = boot_ctx->param[0]; //debug("boot eax = %#lx\n", info->boot_type); //debug("boot ebx = %#lx\n", info->boot_data); + info->boot_type = ELF_BHDR_MAGIC; + info->boot_data = virt_to_phys(&elf_image_notes); debug("boot arg = %#lx\n", info->boot_arg);
collect_elfboot_info(info);
Modified: openbios-devel/arch/sparc32/tree.fs =================================================================== --- openbios-devel/arch/sparc32/tree.fs 2006-05-18 21:57:08 UTC (rev 23) +++ openbios-devel/arch/sparc32/tree.fs 2006-05-22 10:33:31 UTC (rev 24) @@ -8,6 +8,8 @@ h# 01800000 encode-int 0 encode-int encode+ 0 encode-int encode+ h# 00000081 encode-int encode+ 0 encode-int encode+ 0 encode-int encode+ 0 encode-int encode+ 0 encode-int encode+ " idprom" property \ XXX + " /obio/zs@0,100000:a" encode-string " stdin-path" property + " /obio/zs@0,100000:a" encode-string " stdout-path" property : encode-unit encode-unit-sbus ; : decode-unit decode-unit-sbus ;
-
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