#include "memmap.h" // add_e820
#include "util.h" // dprintf
-#include "pci.h" // struct pir_header
-#include "acpi.h" // struct rsdp_descriptor
-#include "mptable.h" // MPTABLE_SIGNATURE
#include "biosvar.h" // GET_EBDA
#include "lzmadecode.h" // LzmaDecode
+#include "smbios.h" // smbios_init
+#include "boot.h" // boot_add_cbfs
/****************************************************************
}
static struct cb_memory *CBMemTable;
+const char *CBvendor = "", *CBpart = "";
// Populate max ram and e820 map info by scanning for a coreboot table.
static void
-coreboot_fill_map()
+coreboot_fill_map(void)
{
dprintf(3, "Attempting to find coreboot table\n");
- CBMemTable = NULL;
-
// Find coreboot table.
struct cb_header *cbh = find_cb_header(0, 0x1000);
if (!cbh)
struct cb_mainboard *cbmb = find_cb_subtable(cbh, CB_TAG_MAINBOARD);
if (cbmb) {
- const char *vendor = &cbmb->strings[cbmb->vendor_idx];
- const char *part = &cbmb->strings[cbmb->part_idx];
- dprintf(1, "Found mainboard %s %s\n", vendor, part);
-
- vgahook_setup(vendor, part);
+ CBvendor = &cbmb->strings[cbmb->vendor_idx];
+ CBpart = &cbmb->strings[cbmb->part_idx];
+ dprintf(1, "Found mainboard %s %s\n", CBvendor, CBpart);
}
return;
* BIOS table copying
****************************************************************/
-static void
-copy_pir(void *pos)
-{
- struct pir_header *p = pos;
- if (p->signature != PIR_SIGNATURE)
- return;
- if (PirOffset)
- return;
- if (p->size < sizeof(*p))
- return;
- if (checksum(pos, p->size) != 0)
- return;
- void *newpos = malloc_fseg(p->size);
- if (!newpos) {
- dprintf(1, "No room to copy PIR table!\n");
- return;
- }
- dprintf(1, "Copying PIR from %p to %p\n", pos, newpos);
- memcpy(newpos, pos, p->size);
- PirOffset = (u32)newpos - BUILD_BIOS_ADDR;
-}
-
-static void
-copy_mptable(void *pos)
-{
- struct mptable_floating_s *p = pos;
- if (p->signature != MPTABLE_SIGNATURE)
- return;
- if (!p->physaddr)
- return;
- if (checksum(pos, sizeof(*p)) != 0)
- return;
- u32 length = p->length * 16;
- u16 mpclength = ((struct mptable_config_s *)p->physaddr)->length;
- struct mptable_floating_s *newpos = malloc_fseg(length + mpclength);
- if (!newpos) {
- dprintf(1, "No room to copy MPTABLE!\n");
- return;
- }
- dprintf(1, "Copying MPTABLE from %p/%x to %p\n", pos, p->physaddr, newpos);
- memcpy(newpos, pos, length);
- newpos->physaddr = (u32)newpos + length;
- newpos->checksum -= checksum(newpos, sizeof(*newpos));
- memcpy((void*)newpos + length, (void*)p->physaddr, mpclength);
-}
-
-static void
-copy_acpi_rsdp(void *pos)
-{
- if (RsdpAddr)
- return;
- struct rsdp_descriptor *p = pos;
- if (p->signature != RSDP_SIGNATURE)
- return;
- u32 length = 20;
- if (checksum(pos, length) != 0)
- return;
- if (p->revision > 1) {
- length = p->length;
- if (checksum(pos, length) != 0)
- return;
- }
- void *newpos = malloc_fseg(length);
- if (!newpos) {
- dprintf(1, "No room to copy ACPI RSDP table!\n");
- return;
- }
- dprintf(1, "Copying ACPI RSDP from %p to %p\n", pos, newpos);
- memcpy(newpos, pos, length);
- RsdpAddr = newpos;
-}
-
// Attempt to find (and relocate) any standard bios tables found in a
// given address range.
static void
copy_pir(p);
copy_mptable(p);
copy_acpi_rsdp(p);
+ copy_smbios(p);
}
}
void
-coreboot_copy_biostable()
+coreboot_copy_biostable(void)
{
struct cb_memory *cbm = CBMemTable;
if (! CONFIG_COREBOOT || !cbm)
dprintf(3, "Relocating coreboot bios tables\n");
- // Init variables set in coreboot table memory scan.
- PirOffset = 0;
- RsdpAddr = 0;
-
// Scan CB_MEM_TABLE areas for bios tables.
int i, count = MEM_RANGE_COUNT(cbm);
for (i=0; i<count; i++) {
scan_tables(m->start, m->size);
}
- // XXX - just create dummy smbios table for now - should detect if
- // smbios/dmi table is found from coreboot and use that instead.
- smbios_init();
+ // XXX - create a dummy smbios table for now.
+ if (!SMBiosAddr)
+ smbios_init();
}
u8 scratch[15980];
int need = (LzmaGetNumProbs(&state.Properties) * sizeof(CProb));
if (need > sizeof(scratch)) {
- dprintf(1, "LzmaDecode need %d have %d\n", need, sizeof(scratch));
+ dprintf(1, "LzmaDecode need %d have %d\n", need, (unsigned int)sizeof(scratch));
return -1;
}
state.Probs = (CProb *)scratch;
* Coreboot flash format
****************************************************************/
-// XXX - optimize
-#define ntohl(x) ((((x)&0xff)<<24) | (((x)&0xff00)<<8) | \
- (((x)&0xff0000) >> 8) | (((x)&0xff000000) >> 24))
-#define htonl(x) ntohl(x)
-
#define CBFS_HEADER_MAGIC 0x4F524243
#define CBFS_HEADPTR_ADDR 0xFFFFFFFc
#define CBFS_VERSION1 0x31313131
static struct cbfs_header *CBHDR;
static void
-cbfs_setup()
+cbfs_setup(void)
{
- if (! CONFIG_COREBOOT_FLASH)
+ if (!CONFIG_COREBOOT || !CONFIG_COREBOOT_FLASH)
return;
CBHDR = *(void **)CBFS_HEADPTR_ADDR;
if (CBHDR->magic != htonl(CBFS_HEADER_MAGIC)) {
- dprintf(1, "Unable to find CBFS (got %x not %x)\n"
- , CBHDR->magic, htonl(CBFS_HEADER_MAGIC));
+ dprintf(1, "Unable to find CBFS (ptr=%p; got %x not %x)\n"
+ , CBHDR, CBHDR->magic, htonl(CBFS_HEADER_MAGIC));
CBHDR = NULL;
return;
}
// Return the first file in the CBFS archive
static struct cbfs_file *
-cbfs_getfirst()
+cbfs_getfirst(void)
{
if (! CBHDR)
return NULL;
return NULL;
}
+// Find next file with the given filename prefix.
struct cbfs_file *
cbfs_findprefix(const char *prefix, struct cbfs_file *last)
{
- if (! CONFIG_COREBOOT_FLASH)
+ if (!CONFIG_COREBOOT || !CONFIG_COREBOOT_FLASH)
return NULL;
dprintf(3, "Searching CBFS for prefix %s\n", prefix);
}
// Find a file with the given filename (possibly with ".lzma" extension).
-static struct cbfs_file *
-cbfs_finddatafile(const char *fname, int *iscomp)
+struct cbfs_file *
+cbfs_finddatafile(const char *fname)
{
int fnlen = strlen(fname);
struct cbfs_file *file = NULL;
file = cbfs_findprefix(fname, file);
if (!file)
return NULL;
- if (file->filename[fnlen] == '\0') {
- *iscomp = 0;
+ if (file->filename[fnlen] == '\0'
+ || strcmp(&file->filename[fnlen], ".lzma") == 0)
return file;
- }
- if (strcmp(&file->filename[fnlen], ".lzma") == 0) {
- *iscomp = 1;
- return file;
- }
}
}
-// Locate a datafile with the given prefix.
-struct cbfs_file *
-cbfs_finddataprefix(const char *prefix, struct cbfs_file *last, int *iscomp)
+// Determine whether the file has a ".lzma" extension.
+static int
+cbfs_iscomp(struct cbfs_file *file)
{
- struct cbfs_file *file = cbfs_findprefix(prefix, last);
- if (!file)
- return NULL;
int fnamelen = strlen(file->filename);
- *iscomp = (fnamelen > 5
- && strcmp(&file->filename[fnamelen-5], ".lzma") == 0);
- return file;
+ return fnamelen > 5 && strcmp(&file->filename[fnamelen-5], ".lzma") == 0;
}
// Return the filename of a given file.
// Determine the uncompressed size of a datafile.
u32
-cbfs_datasize(struct cbfs_file *file, int iscomp)
+cbfs_datasize(struct cbfs_file *file)
{
void *src = (void*)file + ntohl(file->offset);
- if (iscomp)
+ if (cbfs_iscomp(file))
return *(u32*)(src + LZMA_PROPERTIES_SIZE);
return ntohl(file->len);
}
// Copy a file to memory (uncompressing if necessary)
int
-cbfs_copyfile(struct cbfs_file *file, void *dst, u32 maxlen, int iscomp)
+cbfs_copyfile(struct cbfs_file *file, void *dst, u32 maxlen)
{
- if (! CONFIG_COREBOOT_FLASH || !file)
+ if (!CONFIG_COREBOOT || !CONFIG_COREBOOT_FLASH || !file)
return -1;
u32 size = ntohl(file->len);
void *src = (void*)file + ntohl(file->offset);
- if (iscomp)
- // Compressed.
- return ulzma(dst, maxlen, src, size);
+ if (cbfs_iscomp(file)) {
+ // Compressed - copy to temp ram and uncompress it.
+ void *temp = malloc_tmphigh(size);
+ if (!temp)
+ return -1;
+ iomemcpy(temp, src, size);
+ int ret = ulzma(dst, maxlen, temp, size);
+ yield();
+ free(temp);
+ return ret;
+ }
// Not compressed.
dprintf(3, "Copying data %d@%p to %d@%p\n", size, src, maxlen, dst);
if (size > maxlen) {
- dprintf(1, "File too big to copy\n");
+ warn_noalloc();
return -1;
}
- memcpy(dst, src, size);
+ iomemcpy(dst, src, size);
return size;
}
-static char
-getHex(u8 x)
-{
- if (x <= 9)
- return '0' + x;
- return 'a' + x - 10;
-}
-
-static u32
-hexify4(u16 x)
-{
- return ((getHex(x&0xf) << 24)
- | (getHex((x>>4)&0xf) << 16)
- | (getHex((x>>8)&0xf) << 8)
- | (getHex(x>>12)));
-}
-
-// Find and copy the optionrom for the given vendor/device id.
-int
-cbfs_copy_optionrom(void *dst, u32 maxlen, u32 vendev)
-{
- if (! CONFIG_COREBOOT_FLASH)
- return -1;
-
- char fname[17];
- // Ughh - poor man's sprintf of "pci%04x,%04x.rom"
- *(u32*)fname = 0x20696370; // "pci "
- *(u32*)&fname[3] = hexify4(vendev);
- fname[7] = ',';
- *(u32*)&fname[8] = hexify4(vendev >> 16);
- *(u32*)&fname[12] = 0x6d6f722e; // ".rom"
- fname[16] = '\0';
-
- int iscomp;
- struct cbfs_file *file = cbfs_finddatafile(fname, &iscomp);
- return cbfs_copyfile(file, dst, maxlen, iscomp);
-}
-
struct cbfs_payload_segment {
u32 type;
u32 compression;
void
cbfs_run_payload(struct cbfs_file *file)
{
- if (!CONFIG_COREBOOT_FLASH || !file)
+ if (!CONFIG_COREBOOT || !CONFIG_COREBOOT_FLASH || !file)
return;
dprintf(1, "Run %s\n", file->filename);
struct cbfs_payload *pay = (void*)file + ntohl(file->offset);
}
}
+// Register payloads in "img/" directory with boot system.
+void
+cbfs_payload_setup(void)
+{
+ struct cbfs_file *file = NULL;
+ for (;;) {
+ file = cbfs_findprefix("img/", file);
+ if (!file)
+ break;
+ const char *filename = cbfs_filename(file);
+ char *desc = znprintf(MAXDESCSIZE, "Payload [%s]", &filename[4]);
+ boot_add_cbfs(file, desc, bootprio_find_named_rom(filename, 0));
+ }
+}
+
void
coreboot_setup(void)
{
projects / seabios.git / blobdiff