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kernel: add xsave support

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monkuous
2025-11-15 23:20:05 +01:00
parent 4024c42af1
commit d301ec6955
8 changed files with 190 additions and 61 deletions
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kernel-src/sys/thread.c
+8 -1
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@@ -2,6 +2,7 @@
#include <kernel/proc.h>
#include <kernel/slab.h>
#include <logging.h>
#include <arch/context.h>
static scache_t *thread_cache;
@@ -17,8 +18,14 @@ thread_t *sched_newthread(void *ip, size_t kstacksize, int nice, proc_t *proc, v
memset(thread, 0, sizeof(thread_t));
if (arch_extracontext_init(&thread->extracontext)) {
slab_free(thread_cache, thread);
return NULL;
}
thread->kernelstack = vmm_map(NULL, kstacksize, VMM_FLAGS_ALLOCATE, ARCH_MMU_FLAGS_WRITE | ARCH_MMU_FLAGS_READ | ARCH_MMU_FLAGS_NOEXEC, NULL);
if (thread->kernelstack == NULL) {
arch_extracontext_free(&thread->extracontext);
slab_free(thread_cache, thread);
return NULL;
}
@@ -37,7 +44,6 @@ thread_t *sched_newthread(void *ip, size_t kstacksize, int nice, proc_t *proc, v
}
CTX_INIT(&thread->context, proc != NULL, true);
CTX_XINIT(&thread->extracontext, proc != NULL);
CTX_SP(&thread->context) = proc ? (ctxreg_t)ustack : (ctxreg_t)thread->kernelstacktop;
CTX_IP(&thread->context) = (ctxreg_t)ip;
SPINLOCK_INIT(thread->sleeplock);
@@ -52,6 +58,7 @@ thread_t *sched_newthread(void *ip, size_t kstacksize, int nice, proc_t *proc, v
void sched_destroythread(thread_t *thread) {
vmm_unmap(thread->kernelstack, thread->kernelstacksize, 0);
arch_extracontext_free(&thread->extracontext);
slab_free(thread_cache, thread);
}