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Let the user application decide upon the resource ID (RID)
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Kamil Kowalczyk
2026-01-14 23:19:39 +01:00
parent 7cd5623d36
commit ebd9f0cac6
8 changed files with 28 additions and 24 deletions
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22
kernel/syscall/syscall.c
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@@ -57,14 +57,18 @@ DEFINE_SYSCALL (sys_proc_unmap) {
return ok ? SR_OK : -SR_OOM_ERROR;
}
/* int proc_create_resource_mem (size_t pages, int vis, uintptr_t* out_paddr) */
/* int proc_create_resource_mem (int rid, size_t pages, int vis, uintptr_t* out_paddr) */
DEFINE_SYSCALL (sys_proc_create_resource_mem) {
struct limine_hhdm_response* hhdm = limine_hhdm_request.response;
spin_lock_ctx_t ctxprpd;
size_t pages = (size_t)a1;
int vis = (int)a2;
uintptr_t* out_paddr_buf = (uintptr_t*)a3;
int rid = (int)a1;
size_t pages = (size_t)a2;
int vis = (int)a3;
uintptr_t* out_paddr_buf = (uintptr_t*)a4;
if (rid < 0)
return -SR_BAD_RESOURCE;
spin_lock (&proc->pd->lock, &ctxprpd);
@@ -79,7 +83,6 @@ DEFINE_SYSCALL (sys_proc_create_resource_mem) {
uintptr_t* out_paddr_buf_vaddr = (uintptr_t*)((uintptr_t)hhdm->offset + out_paddr_buf_paddr);
int rid = atomic_fetch_add (&proc->rids, 1);
struct proc_resource_mem_init mem_init = {.pages = pages};
struct proc_resource* r = proc_create_resource (proc, rid, PR_MEM, vis, &mem_init);
@@ -91,11 +94,14 @@ DEFINE_SYSCALL (sys_proc_create_resource_mem) {
}
}
/* int proc_create_resource_mutex (int vis) */
/* int proc_create_resource_mutex (int rid, int vis) */
DEFINE_SYSCALL (sys_proc_create_resource_mutex) {
int vis = (int)a1;
int rid = (int)a1;
int vis = (int)a2;
if (rid < 0)
return -SR_BAD_RESOURCE;
int rid = atomic_fetch_add (&proc->rids, 1);
struct proc_resource* r = proc_create_resource (proc, rid, PR_MUTEX, vis, NULL);
if (r != NULL)
return r->rid;