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First Hello world syscall
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This commit is contained in:
Kamil Kowalczyk
2026-01-03 02:04:09 +01:00
parent 1341dc00d9
commit e52268cd8e
26 changed files with 228 additions and 140 deletions
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26
kernel/amd64/smp.h
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@@ -10,6 +10,15 @@
#define CPUS_MAX 32
struct cpu {
/* for syscall instruction */
uintptr_t syscall_user_stack;
uintptr_t syscall_kernel_stack;
volatile uint8_t kernel_stack[KSTACK_SIZE] ALIGNED (16);
volatile uint8_t except_stack[KSTACK_SIZE] ALIGNED (16);
volatile uint8_t irq_stack[KSTACK_SIZE] ALIGNED (16);
volatile struct gdt_extended gdt ALIGNED (16);
volatile struct tss tss;
uint64_t lapic_ticks;
uint32_t id;
@@ -18,25 +27,16 @@ struct cpu {
atomic_int nesting;
} irq_ctx;
uint8_t user_stack[USTACK_SIZE] ALIGNED (16);
volatile uint8_t kernel_stack[KSTACK_SIZE] ALIGNED (16);
volatile uint8_t except_stack[KSTACK_SIZE] ALIGNED (16);
volatile uint8_t irq_stack[KSTACK_SIZE] ALIGNED (16);
volatile struct gdt_extended gdt ALIGNED (16);
volatile struct tss tss;
spin_lock_t lock;
struct proc* proc_run_q;
struct proc* proc_current;
};
} PACKED;
struct cpu* cpu_make (void);
struct cpu* cpu_get (uint32_t id);
void cpu_assign (uint32_t id);
uint32_t cpu_id (void);
struct cpu* cpu_get (void);
void amd64_thiscpu_set_init (void);
#define thiscpu (cpu_get (cpu_id ()))
#define thiscpu (cpu_get ())
#endif // _KERNEL_AMD64_SMP_H