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Amoelle
2025-07-29 08:47:34 +03:00
parent 5dfff307df
commit 2a6266566a
6 changed files with 79 additions and 14 deletions
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22
kernel.c
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@@ -148,14 +148,6 @@ void kernel_entry(void) {
);
}
void handle_trap(struct trap_frame *f) {
uint32_t scause = READ_CSR(scause);
uint32_t stval = READ_CSR(stval);
uint32_t user_pc = READ_CSR(sepc);
PANIC("Unexpected trap: scause=%x, stval=%x, sepc=%x\n", scause, stval, user_pc);
}
__attribute__((naked)) void switch_context(uint32_t *prev_sp,
uint32_t *next_sp) {
__asm__ __volatile__(
@@ -242,11 +234,6 @@ struct process *create_process(uint32_t pc) {
return proc;
}
void delay(void) {
for (int i = 0; i < 69696969; i++)
__asm__ __volatile__("nop"); // do nothing
}
void yield(void) {
// Search for a runnable process
struct process *next = idle_proc;
@@ -294,6 +281,15 @@ void proc_b_entry(void) {
}
}
void handle_trap(struct trap_frame *f) {
uint32_t scause = READ_CSR(scause);
uint32_t stval = READ_CSR(stval);
uint32_t user_pc = READ_CSR(sepc);
PANIC("Unexpected trap: scause=%x, stval=%x, sepc=%x\n", scause, stval, user_pc);
}
void kernel_main(void) {
// printf("\n\nHello %s\n", "friend :3");
// printf("60 + 9 = %d, %x\n", 60 + 9, 0x1234abcd);