diff options
author | Geoff Levand <geoffrey.levand@am.sony.com> | 2008-03-28 07:41:45 +1100 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2008-04-01 20:43:07 +1100 |
commit | 5761eaa3a5ae3c7ea796add73b86176b7c963cca (patch) | |
tree | 8b2b5f292059738216202b4b5480cdc02bd925d0 /arch/powerpc/boot/ps3.c | |
parent | 23afcb4e0061c591776a3350db89512d085397c2 (diff) | |
download | linux-5761eaa3a5ae3c7ea796add73b86176b7c963cca.tar.bz2 |
[POWERPC] PS3: Bootwrapper improvements
Improve the debugging support of the PS3 bootwraper code:
o Increase the size of the PS3 bootwrapper overlay from 256 to 512 bytes to
allow for more debugging code in the overlay.
o Use the dot symbol to set the size of __system_reset_overlay. The
assembler will then emit an error if the overlay code is too big.
o Remove some unused instructions.
o Update the text describing the PS3 bootwrapper overlay.
o Add a check for null pointer writes.
o Change hcall return value from s64.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/boot/ps3.c')
-rw-r--r-- | arch/powerpc/boot/ps3.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/powerpc/boot/ps3.c b/arch/powerpc/boot/ps3.c index 3b0ac4d006ec..9954d98871d0 100644 --- a/arch/powerpc/boot/ps3.c +++ b/arch/powerpc/boot/ps3.c @@ -27,10 +27,10 @@ #include "page.h" #include "ops.h" -extern s64 lv1_panic(u64 in_1); -extern s64 lv1_get_logical_partition_id(u64 *out_1); -extern s64 lv1_get_logical_ppe_id(u64 *out_1); -extern s64 lv1_get_repository_node_value(u64 in_1, u64 in_2, u64 in_3, +extern int lv1_panic(u64 in_1); +extern int lv1_get_logical_partition_id(u64 *out_1); +extern int lv1_get_logical_ppe_id(u64 *out_1); +extern int lv1_get_repository_node_value(u64 in_1, u64 in_2, u64 in_3, u64 in_4, u64 in_5, u64 *out_1, u64 *out_2); #ifdef DEBUG @@ -46,6 +46,7 @@ BSS_STACK(4096); * edit the command line passed to vmlinux (by setting /chosen/bootargs). * The buffer is put in it's own section so that tools may locate it easier. */ + static char cmdline[COMMAND_LINE_SIZE] __attribute__((__section__("__builtin_cmdline"))); @@ -75,7 +76,7 @@ static void ps3_exit(void) static int ps3_repository_read_rm_size(u64 *rm_size) { - s64 result; + int result; u64 lpar_id; u64 ppe_id; u64 v2; @@ -114,16 +115,17 @@ void ps3_copy_vectors(void) { extern char __system_reset_kernel[]; - memcpy((void *)0x100, __system_reset_kernel, 0x100); - flush_cache((void *)0x100, 0x100); + memcpy((void *)0x100, __system_reset_kernel, 512); + flush_cache((void *)0x100, 512); } -void platform_init(void) +void platform_init(unsigned long null_check) { const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */ void *chosen; unsigned long ft_addr; u64 rm_size; + unsigned long val; console_ops.write = ps3_console_write; platform_ops.exit = ps3_exit; @@ -151,6 +153,11 @@ void platform_init(void) printf(" flat tree at 0x%lx\n\r", ft_addr); + val = *(unsigned long *)0; + + if (val != null_check) + printf("null check failed: %lx != %lx\n\r", val, null_check); + ((kernel_entry_t)0)(ft_addr, 0, NULL); ps3_exit(); |