Revision 28c5af54 hw/pc.c
| b/hw/pc.c | ||
|---|---|---|
| 173 | 173 |
static void cmos_init(int ram_size, const char *boot_device, BlockDriverState **hd_table) |
| 174 | 174 |
{
|
| 175 | 175 |
RTCState *s = rtc_state; |
| 176 |
int nbds, bds[3] = { 0, };
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|
| 176 | 177 |
int val; |
| 177 | 178 |
int fd0, fd1, nb; |
| 178 | 179 |
int i; |
| ... | ... | |
| 202 | 203 |
rtc_set_memory(s, 0x35, val >> 8); |
| 203 | 204 |
|
| 204 | 205 |
/* set boot devices, and disable floppy signature check if requested */ |
| 205 |
rtc_set_memory(s, 0x3d, |
|
| 206 |
boot_device2nibble(boot_device[1]) << 4 | |
|
| 207 |
boot_device2nibble(boot_device[0]) ); |
|
| 208 |
rtc_set_memory(s, 0x38, |
|
| 209 |
boot_device2nibble(boot_device[2]) << 4 | (fd_bootchk ? 0x0 : 0x1)); |
|
| 206 |
#define PC_MAX_BOOT_DEVICES 3 |
|
| 207 |
nbds = strlen(boot_device); |
|
| 208 |
if (nbds > PC_MAX_BOOT_DEVICES) {
|
|
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fprintf(stderr, "Too many boot devices for PC\n"); |
|
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exit(1); |
|
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} |
|
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for (i = 0; i < nbds; i++) {
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bds[i] = boot_device2nibble(boot_device[i]); |
|
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if (bds[i] == 0) {
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|
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fprintf(stderr, "Invalid boot device for PC: '%c'\n", |
|
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boot_device[i]); |
|
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exit(1); |
|
| 218 |
} |
|
| 219 |
} |
|
| 220 |
rtc_set_memory(s, 0x3d, (bds[1] << 4) | bds[0]); |
|
| 221 |
rtc_set_memory(s, 0x38, (bds[2] << 4) | (fd_bootchk ? 0x0 : 0x1)); |
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| 210 | 222 |
|
| 211 | 223 |
/* floppy type */ |
| 212 | 224 |
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