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[zion] Move capability validation to capability.h

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This commit is contained in:
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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13
zion/syscall/syscall.cpp
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@ -43,19 +43,6 @@ void InitSyscall() {
SetMSR(LSTAR, reinterpret_cast<uint64_t>(syscall_enter));
}
z_err_t ValidateCap(const RefPtr<Capability>& cap, uint64_t permissions) {
if (!cap) {
return Z_ERR_CAP_NOT_FOUND;
}
// FIXME: Check capability type before permissions, otherwise you can
// get a confusing error.
if (!cap->HasPermissions(permissions)) {
dbgln("PERM, has %x needs %x", cap->permissions(), permissions);
return Z_ERR_CAP_DENIED;
}
return Z_OK;
}
#define CASE(name) \
case kZion##name: \
return name(reinterpret_cast<Z##name##Req*>(req));