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slightly changed C.D. Hailfinger's precompressed rom stream patch

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git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2359 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
2006-08-03 16:19:27 +00:00
parent 9327d22641
commit 8ad7c06535
4 changed files with 13 additions and 4 deletions
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5
src/config/Options.lb
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@@ -574,6 +574,11 @@ define CONFIG_COMPRESSED_ROM_STREAM
export always export always
comment "compressed boot image is located in ROM" comment "compressed boot image is located in ROM"
end end
define CONFIG_PRECOMPRESSED_ROM_STREAM
default 0
export always
comment "boot image is already compressed"
end
define CONFIG_FS_STREAM define CONFIG_FS_STREAM
default 0 default 0
export always export always

1
src/mainboard/olpc/rev_a/Options.lb
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@@ -22,6 +22,7 @@ uses ROM_SECTION_SIZE
uses ROM_SECTION_OFFSET uses ROM_SECTION_OFFSET
uses CONFIG_ROM_STREAM_START uses CONFIG_ROM_STREAM_START
uses CONFIG_COMPRESSED_ROM_STREAM uses CONFIG_COMPRESSED_ROM_STREAM
uses CONFIG_PRECOMPRESSED_ROM_STREAM
uses PAYLOAD_SIZE uses PAYLOAD_SIZE
uses _ROMBASE uses _ROMBASE
uses _RAMBASE uses _RAMBASE

6
src/stream/rom_stream.c
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@@ -4,7 +4,7 @@
#include <stream/read_bytes.h> #include <stream/read_bytes.h>
#include <string.h> #include <string.h>
#if CONFIG_COMPRESSED_ROM_STREAM #if CONFIG_COMPRESSED_ROM_STREAM || CONFIG_PRECOMPRESSED_ROM_STREAM
// include generic nrv2b // include generic nrv2b
#include "../lib/nrv2b.c" #include "../lib/nrv2b.c"
extern unsigned char _heap, _eheap; extern unsigned char _heap, _eheap;
@@ -31,7 +31,7 @@ static const unsigned char *rom;
int stream_init(void) int stream_init(void)
{ {
#if CONFIG_COMPRESSED_ROM_STREAM #if CONFIG_COMPRESSED_ROM_STREAM || CONFIG_PRECOMPRESSED_ROM_STREAM
unsigned char *dest; unsigned char *dest;
unsigned long olen; unsigned long olen;
#endif #endif
@@ -40,7 +40,7 @@ int stream_init(void)
(unsigned long)rom_start, (unsigned long)rom_start,
(unsigned long)rom_end); (unsigned long)rom_end);
#if CONFIG_COMPRESSED_ROM_STREAM #if CONFIG_COMPRESSED_ROM_STREAM || CONFIG_PRECOMPRESSED_ROM_STREAM
dest = &_eheap; /* need a good address on RAM */ dest = &_eheap; /* need a good address on RAM */

5
targets/olpc/rev_a/Config.1M.lb
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@@ -3,8 +3,11 @@
target rev_a_1M target rev_a_1M
mainboard olpc/rev_a mainboard olpc/rev_a
# Don't let LinuxBIOS compress the payload
# option CONFIG_COMPRESSED_ROM_STREAM=0
option CONFIG_PRECOMPRESSED_ROM_STREAM=1
# leave 64k for vsa # leave 64k for vsa
option CONFIG_COMPRESSED_ROM_STREAM=0
option ROM_SIZE=1024*1024-64*1024 option ROM_SIZE=1024*1024-64*1024
option FALLBACK_SIZE=ROM_SIZE option FALLBACK_SIZE=ROM_SIZE