diff options
| author | Jens Rottmann <JRottmann@LiPPERTEmbedded.de> | 2008-10-22 22:24:47 +0000 |
|---|---|---|
| committer | Marc Jones <marc.jones@amd.com> | 2008-10-22 22:24:47 +0000 |
| commit | 5e5bef5fbdc9ed15884f659ee6d822824a1080f1 (patch) | |
| tree | fe7328f5002d9c941677e91f172faa494d76034c | |
| parent | 9a9e61b7ec3f40fdf3716b95a0cfa2c695626dd0 (diff) | |
Speed up copying coreboot to ram by using "movsl" instead of "movsb".
Also use different console messages for copying and uncompressing, like
it's already done in similar code in other places.
Signed-off-by: Jens Rottmann <JRottmann@LiPPERTEmbedded.de>
Acked-by: Marc Jones <marc.jones@amd.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3688 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
| -rw-r--r-- | src/arch/i386/init/crt0.S.lb | 9 | ||||
| -rw-r--r-- | src/cpu/amd/model_lx/cache_as_ram.inc | 9 |
2 files changed, 18 insertions, 0 deletions
diff --git a/src/arch/i386/init/crt0.S.lb b/src/arch/i386/init/crt0.S.lb index 6a6c07be0e..de83b6c417 100644 --- a/src/arch/i386/init/crt0.S.lb +++ b/src/arch/i386/init/crt0.S.lb @@ -74,6 +74,11 @@ __main: movl $_iseg, %edi movl $_eiseg, %ecx subl %edi, %ecx + movb %cl, %al + shrl $2, %ecx + andb $3, %al + rep movsl + movb %al, %cl rep movsb #else leal 4+_liseg, %esi @@ -215,7 +220,11 @@ crt_console_tx_string: #if defined(CONSOLE_DEBUG_TX_STRING) && (ASM_CONSOLE_LOGLEVEL > BIOS_DEBUG) .section ".rom.data" +#if CONFIG_COMPRESS +str_copying_to_ram: .string "Uncompressing coreboot to RAM.\r\n" +#else str_copying_to_ram: .string "Copying coreboot to RAM.\r\n" +#endif str_pre_main: .string "Jumping to coreboot.\r\n" .previous diff --git a/src/cpu/amd/model_lx/cache_as_ram.inc b/src/cpu/amd/model_lx/cache_as_ram.inc index a92f474457..57bfc1211f 100644 --- a/src/cpu/amd/model_lx/cache_as_ram.inc +++ b/src/cpu/amd/model_lx/cache_as_ram.inc @@ -222,6 +222,11 @@ __main: movl $_iseg, %edi movl $_eiseg, %ecx subl %edi, %ecx + movb %cl, %al + shrl $2, %ecx + andb $3, %al + rep movsl + movb %al, %cl rep movsb #else leal 4+_liseg, %esi @@ -363,7 +368,11 @@ crt_console_tx_string: #if defined(CONSOLE_DEBUG_TX_STRING) && (ASM_CONSOLE_LOGLEVEL > BIOS_DEBUG) .section ".rom.data" +#if CONFIG_COMPRESS +str_copying_to_ram: .string "Uncompressing coreboot to ram.\r\n" +#else str_copying_to_ram: .string "Copying coreboot to ram.\r\n" +#endif str_pre_main: .string "Jumping to coreboot.\r\n" .previous |