cleanup some of the compressed rom stream ugliness -- more to do!
olpc and rumba can now boot linux out of flash. vsa was resized to 64K. olpc and rumba now used compressed payload -- thanks stefan! git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2307 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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@ -261,8 +261,8 @@ void do_vsmbios(void)
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*/
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//rom = 0xfff80000;
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//rom = 0xfffc0000;
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/* the VSA starts at the base of rom - 128k */
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rom = ((unsigned long) 0) - (ROM_SIZE + 128*1024);
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/* the VSA starts at the base of rom - 64 */
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rom = ((unsigned long) 0) - (ROM_SIZE + 64*1024);
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buf = (unsigned char *) rom;
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printk_debug("buf %p *buf %d buf[256k] %d\n",
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@ -35,7 +35,9 @@ static unsigned long unrv2b(uint8_t * src, uint8_t * dst)
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uint32_t bb = 0;
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unsigned bc = 0;
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const uint8_t *m_pos;
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unsigned long file_len = *(unsigned long *) src;
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printk_debug("compressed file len is supposed to be %d bytes\n", file_len);
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// skip length
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src += 4;
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/* FIXME: check olen with the length stored in first 4 bytes */
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@ -77,6 +79,7 @@ static unsigned long unrv2b(uint8_t * src, uint8_t * dst)
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} while (--m_len > 0);
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}
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printk_debug("computed len is %d, file len is %d\n", olen, file_len);
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return olen;
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}
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@ -21,6 +21,7 @@ uses ROM_IMAGE_SIZE
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uses ROM_SECTION_SIZE
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uses ROM_SECTION_OFFSET
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uses CONFIG_ROM_STREAM_START
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uses CONFIG_COMPRESSED_ROM_STREAM
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uses PAYLOAD_SIZE
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uses _ROMBASE
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uses _RAMBASE
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@ -21,6 +21,7 @@ uses ROM_IMAGE_SIZE
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uses ROM_SECTION_SIZE
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uses ROM_SECTION_OFFSET
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uses CONFIG_ROM_STREAM_START
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uses CONFIG_COMPRESSED_ROM_STREAM
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uses PAYLOAD_SIZE
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uses _ROMBASE
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uses _RAMBASE
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@ -32,7 +32,7 @@ static const unsigned char *rom;
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int stream_init(void)
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{
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#if CONFIG_COMPRESSED_ROM_STREAM
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unsigned long dest;
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unsigned char *dest;
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unsigned long olen;
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#endif
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@ -51,14 +51,14 @@ int stream_init(void)
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dest = (CONFIG_LB_MEM_TOPK<<10);
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}
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#endif
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if((dest < 0xf0000) && ((dest+olen)>0xf0000)) { //linuxbios tables etc
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dest = (CONFIG_LB_MEM_TOPK<<10);
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if((dest < (unsigned char *) 0xf0000) && ((dest+olen)> (unsigned char *)0xf0000)) { //linuxbios tables etc
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dest = (unsigned char *) (CONFIG_LB_MEM_TOPK<<10);
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}
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#endif
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printk_debug("Uncompressing to RAM 0x%08lx ", dest);
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olen = unrv2b((uint8_t *) rom_start, (uint8_t *)dest );
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printk_debug(" ilen = 0x%08lx olen = 0x%08lx done.\n", ilen, olen);
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printk_debug(" olen = 0x%08lx done.\n", olen);
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rom_end = dest + olen - 1;
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rom = dest;
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#else
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@ -3,31 +3,18 @@
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target rev_a
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mainboard olpc/rev_a
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option ROM_SIZE=1024*128
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# leave 64k for vsa
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option CONFIG_COMPRESSED_ROM_STREAM=1
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option ROM_SIZE=1024*512-64*1024
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option FALLBACK_SIZE=ROM_SIZE
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#romimage "normal"
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# option USE_FALLBACK_IMAGE=0
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# option ROM_IMAGE_SIZE=0x10000
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# option LINUXBIOS_EXTRA_VERSION=".0Normal"
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## payload /usr/share/etherboot/5.1.9pre2-lnxi-lb/tg3--ide_disk.zelf
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## payload ../../../../tg3--ide_disk.zelf
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## payload ../../../../../lnxieepro100.ebi
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## payload /etc/hosts
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## payload /home/hamish/work/etherboot/eb-5.2.6-lne100.elf
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# payload /tmp/filo.elf
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#end
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option DEFAULT_CONSOLE_LOGLEVEL = 11
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option MAXIMUM_CONSOLE_LOGLEVEL = 11
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romimage "fallback"
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option USE_FALLBACK_IMAGE=1
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option ROM_IMAGE_SIZE=0x10000
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option ROM_IMAGE_SIZE=0x8000
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option LINUXBIOS_EXTRA_VERSION=".0Fallback"
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# payload /usr/share/etherboot/5.1.9pre2-lnxi-lb/tg3--ide_disk.zelf
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# payload ../../../../tg3--ide_disk.zelf
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# payload ../../../../../lnxieepro100.ebia
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# payload /etc/hosts
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# payload /home/hamish/work/etherboot/eb-5.2.6-lne100.elf
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payload /tmp/filo.elf
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payload /tmp/olpcpayload.elf
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end
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buildrom ./linuxbios.rom ROM_SIZE "fallback"
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#buildrom ./linuxbios.rom ROM_SIZE "normal" "fallback"
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