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sys/riscv/riscv/locore.S
| Show First 20 Lines • Show All 295 Lines • ▼ Show 20 Lines | ENTRY(mpentry) | ||||
| add t0, t0, t1 | add t0, t0, t1 | ||||
| 1: | 1: | ||||
| /* Wait the kernel to be ready */ | /* Wait the kernel to be ready */ | ||||
| lw t1, 0(t0) | lw t1, 0(t0) | ||||
| beqz t1, 1b | beqz t1, 1b | ||||
| /* Setup stack pointer */ | /* Setup stack pointer */ | ||||
| lla t0, secondary_stacks | lla t0, bootstack | ||||
| li t1, (PAGE_SIZE * KSTACK_PAGES) | ld sp, 0(t0) | ||||
| mulw t2, t1, a0 | |||||
| add t0, t0, t2 | |||||
| add t0, t0, t1 | |||||
| sub t0, t0, s9 | |||||
| li t1, KERNBASE | |||||
| add sp, t0, t1 | |||||
| /* Setup supervisor trap vector */ | /* Setup supervisor trap vector */ | ||||
| lla t0, mpva | lla t0, mpva | ||||
| sub t0, t0, s9 | sub t0, t0, s9 | ||||
| li t1, KERNBASE | li t1, KERNBASE | ||||
| add t0, t0, t1 | add t0, t0, t1 | ||||
| csrw stvec, t0 | csrw stvec, t0 | ||||
| Show All 27 Lines | |||||