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Remove spinlock contexts
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This commit is contained in:
Kamil Kowalczyk
2026-02-08 18:58:53 +01:00
parent 1ca3d11bac
commit 9e6035bd68
26 changed files with 161 additions and 262 deletions
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32
kernel/amd64/intr.c
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@@ -9,7 +9,6 @@
#include <libk/string.h>
#include <m/syscall_defs.h>
#include <sys/debug.h>
#include <sys/irq.h>
#include <sys/smp.h>
#include <sys/spin.h>
#include <syscall/syscall.h>
@@ -167,20 +166,18 @@ static void amd64_intr_exception (struct saved_regs* regs) {
/* Handle incoming interrupt, dispatch IRQ handlers. */
void amd64_intr_handler (void* stack_ptr) {
spin_lock_ctx_t ctxcpu, ctxpr;
amd64_load_kernel_cr3 ();
struct saved_regs* regs = stack_ptr;
spin_lock (&thiscpu->lock, &ctxcpu);
spin_lock (&thiscpu->lock);
struct proc* proc_current = thiscpu->proc_current;
spin_lock (&proc_current->lock, &ctxpr);
spin_lock (&proc_current->lock);
memcpy (&proc_current->pdata.regs, regs, sizeof (struct saved_regs));
spin_unlock (&proc_current->lock, &ctxpr);
spin_unlock (&thiscpu->lock, &ctxcpu);
spin_unlock (&proc_current->lock);
spin_unlock (&thiscpu->lock);
if (regs->trap <= 31) {
amd64_intr_exception (regs);
@@ -200,24 +197,3 @@ void amd64_intr_init (void) {
amd64_init_pic ();
amd64_idt_init ();
}
/* Aux. */
/* Save RFLAGS of the current CPU */
static uint64_t amd64_irq_save_flags (void) {
uint64_t rflags;
__asm__ volatile ("pushfq; cli; popq %0" : "=r"(rflags)::"memory", "cc");
return rflags;
}
/* Restore interrupts (IF bit) from RFLAGS */
static void amd64_irq_restore_flags (uint64_t rflags) {
if (rflags & (1ULL << 9))
__asm__ volatile ("sti");
}
/* Save current interrupt state */
void irq_save (spin_lock_ctx_t* ctx) { *ctx = amd64_irq_save_flags (); }
/* Restore interrupt state */
void irq_restore (spin_lock_ctx_t* ctx) { amd64_irq_restore_flags (*ctx); }