diff options
Diffstat (limited to 'arch/riscv64/kernel/proc.c')
| -rw-r--r-- | arch/riscv64/kernel/proc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/riscv64/kernel/proc.c b/arch/riscv64/kernel/proc.c index f1a62c4..a4746b4 100644 --- a/arch/riscv64/kernel/proc.c +++ b/arch/riscv64/kernel/proc.c @@ -28,6 +28,7 @@ void run_init(struct tcb *t, vm_t fdt, vm_t initrd) * Could be fixed with a separate pure asm run_init, but I guess this * works for now. */ + vm_t stack_top = t->thread_stack + t->thread_stack_size; bkl_unlock(); __asm__ volatile ("mv sp, %0\n" "mv a0, %1\n" @@ -35,7 +36,7 @@ void run_init(struct tcb *t, vm_t fdt, vm_t initrd) "mv a2, %3\n" "sret\n" : - : "r" (t->thread_stack_top), "r" (t->tid), "r" (fdt), + : "r" (stack_top), "r" (t->tid), "r" (fdt), "r" (initrd) : "memory"); /* we should never reach this */ @@ -66,8 +67,7 @@ void set_thread(struct tcb *t) struct riscv_regs *r = (struct riscv_regs *)(t->regs) - 1; /* insert important values into register slots */ - r->sp = (long)t->thread_stack_top; - r->tp = (long)t->thread_storage; + r->sp = (long)t->thread_stack + t->thread_stack_size; } void set_stack(struct tcb *t, vm_t s) |