Revision ff151f4e pc-bios/s390-ccw/main.c
| b/pc-bios/s390-ccw/main.c | ||
|---|---|---|
| 12 | 12 |
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| 13 | 13 |
struct subchannel_id blk_schid; |
| 14 | 14 |
char stack[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE))); |
| 15 |
uint64_t boot_value; |
|
| 15 | 16 |
|
| 16 | 17 |
void virtio_panic(const char *string) |
| 17 | 18 |
{
|
| ... | ... | |
| 20 | 21 |
while (1) { }
|
| 21 | 22 |
} |
| 22 | 23 |
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| 23 |
static void virtio_setup(void)
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| 24 |
static void virtio_setup(uint64_t dev_info)
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| 24 | 25 |
{
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| 25 | 26 |
struct schib schib; |
| 26 | 27 |
int i; |
| 27 | 28 |
int r; |
| 28 | 29 |
bool found = false; |
| 29 |
|
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bool check_devno = false; |
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uint16_t dev_no = -1; |
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| 30 | 32 |
blk_schid.one = 1; |
| 31 | 33 |
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if (dev_info != -1) {
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check_devno = true; |
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dev_no = dev_info & 0xffff; |
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debug_print_int("device no. ", dev_no);
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} |
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| 39 |
|
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| 32 | 40 |
for (i = 0; i < 0x10000; i++) {
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| 33 | 41 |
blk_schid.sch_no = i; |
| 34 | 42 |
r = stsch_err(blk_schid, &schib); |
| ... | ... | |
| 36 | 44 |
break; |
| 37 | 45 |
} |
| 38 | 46 |
if (schib.pmcw.dnv) {
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| 39 |
if (virtio_is_blk(blk_schid)) {
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found = true; |
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break; |
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| 47 |
if (!check_devno || (schib.pmcw.dev == dev_no)) {
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| 48 |
if (virtio_is_blk(blk_schid)) {
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found = true; |
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break; |
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} |
|
| 42 | 52 |
} |
| 43 | 53 |
} |
| 44 | 54 |
} |
| ... | ... | |
| 53 | 63 |
int main(void) |
| 54 | 64 |
{
|
| 55 | 65 |
sclp_setup(); |
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virtio_setup(); |
|
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debug_print_int("boot reg[7] ", boot_value);
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virtio_setup(boot_value); |
|
| 68 |
|
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| 57 | 69 |
if (zipl_load() < 0) |
| 58 | 70 |
sclp_print("Failed to load OS from hard disk\n");
|
| 59 | 71 |
disabled_wait(); |
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