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[zion] Move capability validation to capability.h

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Drew Galbraith 2023-06-20 15:50:49 -07:00
parent 93cf8f2740
commit 172bf51db7
8 changed files with 42 additions and 47 deletions
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8
zion/syscall/thread.cpp
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@ -1,15 +1,14 @@
#include "syscall/thread.h"
#include "capability/capability.h"
#include "scheduler/scheduler.h"
#include "syscall/syscall.h"
z_err_t ThreadCreate(ZThreadCreateReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
auto cap = curr_proc.GetCapability(req->proc_cap);
RET_ERR(ValidateCap(cap, ZC_PROC_SPAWN_THREAD));
RET_ERR(ValidateCapability<Process>(cap, ZC_PROC_SPAWN_THREAD));
auto parent_proc = cap->obj<Process>();
RET_IF_NULL(parent_proc);
auto thread = parent_proc->CreateThread();
*req->thread_cap = curr_proc.AddNewCapability(thread, ZC_WRITE);
return Z_OK;
@ -18,10 +17,9 @@ z_err_t ThreadCreate(ZThreadCreateReq* req) {
z_err_t ThreadStart(ZThreadStartReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
auto cap = curr_proc.GetCapability(req->thread_cap);
RET_ERR(ValidateCap(cap, ZC_WRITE));
RET_ERR(ValidateCapability<Thread>(cap, ZC_WRITE));
auto thread = cap->obj<Thread>();
RET_IF_NULL(thread);
// FIXME: validate entry point is in user space.
thread->Start(req->entry, req->arg1, req->arg2);
return Z_OK;