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merge zrom to rom_stream and print olen ilen 

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2292 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu 2006-05-04 00:47:15 +00:00
parent 4c47532134
commit 608d4b2c44
6 changed files with 89 additions and 114 deletions
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0
src/cpu/amd/car/cache_as_ram_post.c
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19
src/cpu/amd/car/copy_and_run.c
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@ -3,10 +3,6 @@
2006/05/02 - stepan: move nrv2b to an extra file.
*/
#if CONFIG_COMPRESS
#include "lib/nrv2b.c"
#endif
static inline void print_debug_cp_run(const char *strval, uint32_t val)
{
#if CONFIG_USE_INIT
@ -16,12 +12,17 @@ static inline void print_debug_cp_run(const char *strval, uint32_t val)
#endif
}
#if CONFIG_COMPRESS
#define ENDIAN 0
#define BITSIZE 32
#include "lib/nrv2b.c"
#endif
static void copy_and_run(void)
{
uint8_t *src, *dst;
unsigned long ilen = 0, olen = 0, last_m_off = 1;
uint32_t bb = 0;
unsigned bc = 0;
unsigned long ilen, olen;
print_debug("Copying LinuxBIOS to ram.\r\n");
@ -45,7 +46,9 @@ static void copy_and_run(void)
print_debug_cp_run("src=",(uint32_t)src);
print_debug_cp_run("dst=",(uint32_t)dst);
unrv2b(src, dst);
olen = unrv2b(src, dst, &ilen);
print_debug_cp_run("linxbios_ram.nrv2b length = ", ilen);
#endif
print_debug_cp_run("linxbios_ram.bin length = ", olen);

34
src/lib/nrv2b.c
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@ -1,16 +1,35 @@
#include <stdlib.h>
#include <stddef.h>
// This GETBIT is supposed to work on little endian
// 32bit systems. The algorithm will definitely need
// some fixing on other systems, but it might not be
// a problem since the nrv2b binary behaves the same..
#define GETBIT(bb, src, ilen) \
#ifndef ENDIAN
#define ENDIAN 0
#endif
#ifndef BITSIZE
#define BITSIZE 32
#endif
#define GETBIT_8(bb, src, ilen) \
(((bb = bb & 0x7f ? bb*2 : ((unsigned)src[ilen++]*2+1)) >> 8) & 1)
#define GETBIT_LE16(bb, src, ilen) \
(bb*=2,bb&0xffff ? (bb>>16)&1 : (ilen+=2,((bb=(src[ilen-2]+src[ilen-1]*256u)*2+1)>>16)&1))
#define GETBIT_LE32(bb, src, ilen) \
(bc > 0 ? ((bb>>--bc)&1) : (bc=31,\
bb=*(const uint32_t *)((src)+ilen),ilen+=4,(bb>>31)&1))
static void unrv2b(uint8_t * src, uint8_t * dst)
#if ENDIAN == 0 && BITSIZE == 8
#define GETBIT(bb, src, ilen) GETBIT_8(bb, src, ilen)
#endif
#if ENDIAN == 0 && BITSIZE == 16
#define GETBIT(bb, src, ilen) GETBIT_LE16(bb, src, ilen)
#endif
#if ENDIAN == 0 && BITSIZE == 32
#define GETBIT(bb, src, ilen) GETBIT_LE32(bb, src, ilen)
#endif
static unsigned long unrv2b(uint8_t * src, uint8_t * dst, unsigned long *ilen_p)
{
unsigned long ilen = 0, olen = 0, last_m_off = 1;
uint32_t bb = 0;
@ -20,6 +39,7 @@ static void unrv2b(uint8_t * src, uint8_t * dst)
// skip length
src += 4;
/* FIXME: check olen with len on first 4 bytes */
for (;;) {
unsigned int m_off, m_len;
while (GETBIT(bb, src, ilen)) {
@ -57,5 +77,9 @@ static void unrv2b(uint8_t * src, uint8_t * dst)
} while (--m_len > 0);
}
*ilen_p = ilen;
return olen;
}

5
src/stream/Config.lb
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@ -1,4 +1,3 @@
uses CONFIG_COMPRESSED_ROM_STREAM
uses CONFIG_ROM_STREAM
uses CONFIG_IDE_STREAM
uses CONFIG_FS_STREAM
@ -8,10 +7,6 @@ if CONFIG_ROM_STREAM
object rom_stream.o
end
if CONFIG_COMPRESSED_ROM_STREAM
object zrom_stream.o
end
if CONFIG_IDE_STREAM
default CONFIG_IDE=1
object ide_stream.o

43
src/stream/rom_stream.c
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@ -4,6 +4,11 @@
#include <stream/read_bytes.h>
#include <string.h>
#if CONFIG_COMPRESSED_ROM_STREAM
// include generic nrv2b
#include "../lib/nrv2b.c"
extern unsigned char _heap, _eheap;
#endif
#ifndef CONFIG_ROM_STREAM_START
#define CONFIG_ROM_STREAM_START 0xffff0000UL
@ -21,16 +26,48 @@
/*static const */unsigned char *rom_start = (unsigned char *)CONFIG_ROM_STREAM_START;
/*static const */unsigned char *rom_end = (unsigned char *)(CONFIG_ROM_STREAM_START + PAYLOAD_SIZE - 1);
/*XXXXXXXXXXXXXX */
unsigned char *rom_start = (void *)CONFIG_ROM_STREAM_START;
unsigned char *rom_end = (void *)(CONFIG_ROM_STREAM_START + PAYLOAD_SIZE - 1);
static const unsigned char *rom;
int stream_init(void)
{
rom = rom_start;
#if CONFIG_COMPRESSED_ROM_STREAM
unsigned long dest;
unsigned long ilen;
unsigned long olen;
#endif
printk_debug("%6d:%s() - rom_stream: 0x%08lx - 0x%08lx\n",
__LINE__, __FUNCTION__,
printk_debug("rom_stream: 0x%08lx - 0x%08lx\n",
(unsigned long)rom_start,
(unsigned long)rom_end);
#if CONFIG_COMPRESSED_ROM_STREAM
dest = &_eheap; /* need a good address on RAM */
#if _RAMBASE<0x00100000
olen = *(unsigned int *)dest;
#if (CONFIG_CONSOLE_VGA==1) || (CONFIG_PCI_ROM_RUN == 1)
if((dest < 0xa0000) && ((dest+olen)>0xa0000)) {
dest = (CONFIG_LB_MEM_TOPK<<10);
}
#endif
if((dest < 0xf0000) && ((dest+olen)>0xf0000)) { //linuxbios tables etc
dest = (CONFIG_LB_MEM_TOPK<<10);
}
#endif
printk_debug("Uncompressing to RAM 0x%08lx ", dest);
olen = unrv2b((uint8_t *) rom_start, (uint8_t *)dest, &ilen );
printk_debug(" ilen = 0x%08lx olen = 0x%08lx done.\n", ilen, olen);
rom_end = dest + olen - 1;
rom = dest;
#else
rom = rom_start;
#endif
return 0;
}

84
src/stream/zrom_stream.c
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@ -1,84 +0,0 @@
#include <console/console.h>
#include <stdlib.h>
#include <stddef.h>
#include <stream/read_bytes.h>
#include <string.h>
// include generic nrv2b
#include "../lib/nrv2b.c"
#ifndef CONFIG_ROM_STREAM_START
#define CONFIG_ROM_STREAM_START 0xffff0000UL
#endif
unsigned char *rom_start = (unsigned char *)CONFIG_ROM_STREAM_START;
unsigned char *rom_end = (unsigned char *)(CONFIG_ROM_STREAM_START + PAYLOAD_SIZE - 1);;
extern unsigned char _heap, _eheap;
static const unsigned char *rom;
int stream_init(void)
{
unsigned long compressed_rom_start=rom_start;
unsigned long compressed_rom_end=rom_end;
unsigned int len;
len=*(unsigned int *)compressed_rom_start; // LE only for now
printk_debug (" compressed rom stream: 0x%08lx - 0x%08lx\n",
compressed_rom_start, compressed_rom_end);
rom_start = &_eheap;
rom_end = rom_start + len; // LE only for now
#if 0
{
int i;
for (i=0; i<512; i++) {
if( i%16==0) printk_spew("\n%04x :", i);
printk_spew(" %02x", *(unsigned char *)(compressed_rom_start+i));
}
}
#endif
printk_debug(" rom stream: 0x%08lx - 0x%08lx\n", (unsigned long)
rom_start, (unsigned long) rom_end);
printk_debug("Uncompressing...");
unrv2b((uint8_t *) compressed_rom_start, (uint8_t *)rom_start);
printk_debug(" done.\n");
rom = rom_start;
return 0;
}
void stream_fini(void)
{
return;
}
byte_offset_t stream_skip(byte_offset_t count)
{
byte_offset_t bytes;
bytes = count;
if ((rom + bytes) > rom_end) {
printk_warning(" overflowed source buffer\n");
bytes = 0;
if (rom <= rom_end) {
bytes = (rom_end - rom) + 1;
}
}
rom += bytes;
return bytes;
}
byte_offset_t stream_read(void *vdest, byte_offset_t count)
{
unsigned char *dest = vdest;
const unsigned char *src = rom;
byte_offset_t bytes;
bytes = stream_skip(count);
memcpy(dest, src, bytes);
return bytes;
}