[OpenBIOS] r24 - in openbios-devel/arch/sparc32: . libgcc
svn@openbios.org
svn at openbios.org
Mon May 22 12:33:31 CEST 2006
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 at 0,100000:a" encode-string " stdin-path" property
+ " /obio/zs at 0,100000:a" encode-string " stdout-path" property
: encode-unit encode-unit-sbus ;
: decode-unit decode-unit-sbus ;
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