sravan/system76-coreboot
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Fix the bounce_size global so that the bounce buffer works with CBFS.

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Make self_boot() static.

Signed-off-by: Myles Watson <mylesgw@gmail.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4663 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Myles Watson
2009-09-23 20:32:21 +00:00
parent f250f191f8
commit 920279842d
2 changed files with 10 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/arch/i386/boot/boot.c
View File

@@ -68,7 +68,7 @@ int elf_check_arch(Elf_ehdr *ehdr)
} }
void jmp_to_elf_entry(void *entry, unsigned long buffer, unsigned long bounce_size) void jmp_to_elf_entry(void *entry, unsigned long buffer, unsigned long size)
{ {
extern unsigned char _ram_seg, _eram_seg; extern unsigned char _ram_seg, _eram_seg;
unsigned long lb_start, lb_size; unsigned long lb_start, lb_size;
@@ -79,7 +79,7 @@ void jmp_to_elf_entry(void *entry, unsigned long buffer, unsigned long bounce_si
lb_start = (unsigned long)&_ram_seg; lb_start = (unsigned long)&_ram_seg;
lb_size = (unsigned long)(&_eram_seg - &_ram_seg); lb_size = (unsigned long)(&_eram_seg - &_ram_seg);
adjust = buffer + bounce_size - lb_start; adjust = buffer + size - lb_start;
adjusted_boot_notes = (unsigned long)&elf_boot_notes; adjusted_boot_notes = (unsigned long)&elf_boot_notes;
adjusted_boot_notes += adjust; adjusted_boot_notes += adjust;

15
src/boot/selfboot.c
View File

@@ -71,9 +71,10 @@ struct ip_checksum_vcb {
unsigned short ip_checksum; unsigned short ip_checksum;
}; };
static int selfboot(struct lb_memory *mem, struct cbfs_payload *payload);
void * cbfs_load_payload(struct lb_memory *lb_mem, const char *name) void * cbfs_load_payload(struct lb_memory *lb_mem, const char *name)
{ {
int selfboot(struct lb_memory *mem, struct cbfs_payload *payload);
struct cbfs_payload *payload; struct cbfs_payload *payload;
payload = (struct cbfs_payload *)cbfs_find_file(name, CBFS_TYPE_PAYLOAD); payload = (struct cbfs_payload *)cbfs_find_file(name, CBFS_TYPE_PAYLOAD);
@@ -110,7 +111,7 @@ void * cbfs_load_payload(struct lb_memory *lb_mem, const char *name)
static unsigned long bounce_size, bounce_buffer; static unsigned long bounce_size, bounce_buffer;
static void get_bounce_buffer(struct lb_memory *mem, unsigned long bounce_size) static void get_bounce_buffer(struct lb_memory *mem, unsigned long req_size)
{ {
unsigned long lb_size; unsigned long lb_size;
unsigned long mem_entries; unsigned long mem_entries;
@@ -118,7 +119,7 @@ static void get_bounce_buffer(struct lb_memory *mem, unsigned long bounce_size)
int i; int i;
lb_size = (unsigned long)(&_eram_seg - &_ram_seg); lb_size = (unsigned long)(&_eram_seg - &_ram_seg);
/* Double coreboot size so I have somewhere to place a copy to return to */ /* Double coreboot size so I have somewhere to place a copy to return to */
lb_size = bounce_size + lb_size; lb_size = req_size + lb_size;
mem_entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]); mem_entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]);
buffer = 0; buffer = 0;
for(i = 0; i < mem_entries; i++) { for(i = 0; i < mem_entries; i++) {
@@ -142,6 +143,7 @@ static void get_bounce_buffer(struct lb_memory *mem, unsigned long bounce_size)
buffer = tbuffer; buffer = tbuffer;
} }
bounce_buffer = buffer; bounce_buffer = buffer;
bounce_size = req_size;
} }
static int valid_area(struct lb_memory *mem, unsigned long buffer, static int valid_area(struct lb_memory *mem, unsigned long buffer,
@@ -424,7 +426,8 @@ static int load_self_segments(
for(ptr = head->next; ptr != head; ptr = ptr->next) { for(ptr = head->next; ptr != head; ptr = ptr->next) {
if (!overlaps_coreboot(ptr)) continue; if (!overlaps_coreboot(ptr)) continue;
unsigned long bounce = ptr->s_dstaddr + ptr->s_memsz - lb_start; unsigned long bounce = ptr->s_dstaddr + ptr->s_memsz - lb_start;
if (bounce > required_bounce_size) required_bounce_size = bounce; if (bounce > required_bounce_size)
required_bounce_size = bounce;
} }
get_bounce_buffer(mem, required_bounce_size); get_bounce_buffer(mem, required_bounce_size);
if (!bounce_buffer) { if (!bounce_buffer) {
@@ -458,14 +461,12 @@ static int load_self_segments(
size_t len; size_t len;
len = ptr->s_filesz; len = ptr->s_filesz;
switch(ptr->compression) { switch(ptr->compression) {
#if CONFIG_COMPRESSED_PAYLOAD_LZMA==1
case CBFS_COMPRESS_LZMA: { case CBFS_COMPRESS_LZMA: {
printk_debug("using LZMA\n"); printk_debug("using LZMA\n");
unsigned long ulzma(unsigned char *src, unsigned char *dst); unsigned long ulzma(unsigned char *src, unsigned char *dst);
len = ulzma(src, dest); len = ulzma(src, dest);
break; break;
} }
#endif
#if CONFIG_COMPRESSED_PAYLOAD_NRV2B==1 #if CONFIG_COMPRESSED_PAYLOAD_NRV2B==1
case CBFS_COMPRESS_NRV2B: { case CBFS_COMPRESS_NRV2B: {
printk_debug("using NRV2B\n"); printk_debug("using NRV2B\n");
@@ -505,7 +506,7 @@ static int load_self_segments(
return 1; return 1;
} }
int selfboot(struct lb_memory *mem, struct cbfs_payload *payload) static int selfboot(struct lb_memory *mem, struct cbfs_payload *payload)
{ {
u32 entry=0; u32 entry=0;
struct segment head; struct segment head;