| 39,6 → 39,10 |
|---|
| #include <string.h> |
| |
| bootinfo_t bootinfo; |
| |
| /** UltraSPARC subarchitecture - 1 for US, 3 for US3 */ |
| uint8_t subarchitecture; |
| |
| component_t components[COMPONENTS]; |
| |
| char *release = RELEASE; |
| 63,6 → 67,21 |
|---|
| release, revision, timestamp); |
| } |
| |
| #define FIRST_US3_CPU 0x14 |
| #define LAST_US3_CPU 0x19 |
| static void detect_subarchitecture(void) |
| { |
| uint64_t v; |
| asm volatile ("rdpr %%ver, %0\n" : "=r" (v)); |
| |
| v = (v << 16) >> 48; |
| if ((v >= FIRST_US3_CPU) && (v <= LAST_US3_CPU)) { |
| subarchitecture = SUBARCH_US3; |
| } else if (v < FIRST_US3_CPU) { |
| subarchitecture = SUBARCH_US; |
| } |
| } |
| |
| void bootstrap(void) |
| { |
| void *base = (void *) KERNEL_VIRTUAL_ADDRESS; |
| 72,6 → 91,7 |
|---|
| |
| version_print(); |
| |
| detect_subarchitecture(); |
| init_components(components); |
| |
| if (!ofw_get_physmem_start(&bootinfo.physmem_start)) { |