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Fully decode PCI unit name attribute.

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Signed-off-by: Laurent Vivier <Laurent@vivier.eu>


git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@603 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Laurent Vivier
2009-11-10 21:39:42 +00:00
parent 92e6599c92
commit d6365bca24
4 changed files with 138 additions and 17 deletions
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104
drivers/pci.c
View File

@@ -91,8 +91,106 @@ ob_pci_initialize(int *idx)
static void
ob_pci_decode_unit(int *idx)
{
PUSH(0);
fword("decode-unit-pci-bus");
ucell hi, mid, lo;
const char *arg = pop_fstr_copy();
int dev, fn, reg, ss, n, p, t;
int bus = 0; /* no information */
char *ptr;
dev = 0;
fn = 0;
reg = 0;
ss = 0;
n = 0;
p = 0;
t = 0;
ptr = (char*)arg;
if (*ptr == 'n') {
n = IS_NOT_RELOCATABLE;
ptr++;
}
if (*ptr == 'i') {
ss = IO_SPACE;
ptr++;
if (*ptr == 't') {
t = IS_ALIASED;
ptr++;
}
/* DD,F,RR,NNNNNNNN */
dev = strtol(ptr, &ptr, 16);
ptr++;
fn = strtol(ptr, &ptr, 16);
ptr++;
reg = strtol(ptr, &ptr, 16);
ptr++;
lo = strtol(ptr, &ptr, 16);
mid = 0;
} else if (*ptr == 'm') {
ss = MEMORY_SPACE_32;
ptr++;
if (*ptr == 't') {
t = IS_ALIASED;
ptr++;
}
if (*ptr == 'p') {
p = IS_PREFETCHABLE;
ptr++;
}
/* DD,F,RR,NNNNNNNN */
dev = strtol(ptr, &ptr, 16);
ptr++;
fn = strtol(ptr, &ptr, 16);
ptr++;
reg = strtol(ptr, &ptr, 16);
ptr++;
lo = strtol(ptr, &ptr, 16);
mid = 0;
} else if (*ptr == 'x') {
unsigned long long addr64;
ss = MEMORY_SPACE_64;
ptr++;
if (*ptr == 'p') {
p = IS_PREFETCHABLE;
ptr++;
}
/* DD,F,RR,NNNNNNNNNNNNNNNN */
dev = strtol(ptr, &ptr, 16);
ptr++;
fn = strtol(ptr, &ptr, 16);
ptr++;
reg = strtol(ptr, &ptr, 16);
ptr++;
addr64 = strtoll(ptr, &ptr, 16);
lo = (ucell)addr64;
mid = addr64 >> 32;
} else {
ss = CONFIGURATION_SPACE;
/* "DD" or "DD,FF" */
dev = strtol(ptr, &ptr, 16);
if (*ptr == ',') {
ptr++;
fn = strtol(ptr, NULL, 16);
}
lo = 0;
mid = 0;
}
free((char*)arg);
hi = n | p | t | (ss << 24) | (bus << 16) | (dev << 11) | (fn << 8) | reg;
PUSH(lo);
PUSH(mid);
PUSH(hi);
}
/* ( phys.lo phy.mid phys.hi -- str len ) */
@@ -122,7 +220,7 @@ ob_pci_encode_unit(int *idx)
if (fn == 0) /* DD */
snprintf(buf, sizeof(buf), "%x", dev);
else /* DD,F */
snprintf(buf, sizeof(buf), "%x,%d", dev, fn);
snprintf(buf, sizeof(buf), "%x,%x", dev, fn);
break;
case IO_SPACE: