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kern: implement KProcess::Run

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This commit is contained in:
Michael Scire 2020-02-19 19:38:20 -08:00
parent 28ea0b12a8
commit c568788609
25 changed files with 516 additions and 33 deletions
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28
libraries/libmesosphere/include/mesosphere/kern_k_capabilities.hpp
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@ -15,6 +15,7 @@
*/
#pragma once
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_k_thread.hpp>
#include <mesosphere/kern_select_page_table.hpp>
#include <mesosphere/kern_svc.hpp>
@ -208,10 +209,22 @@ namespace ams::kern {
util::BitPack32 intended_kernel_version;
u32 program_type{};
private:
static constexpr ALWAYS_INLINE void SetSvcAllowedImpl(u8 *data, u32 id) {
constexpr size_t BitsPerWord = BITSIZEOF(*data);
MESOSPHERE_ASSERT(id < svc::SvcId_Count);
data[id / BitsPerWord] |= (1ul << (id % BitsPerWord));
}
static constexpr ALWAYS_INLINE void ClearSvcAllowedImpl(u8 *data, u32 id) {
constexpr size_t BitsPerWord = BITSIZEOF(*data);
MESOSPHERE_ASSERT(id < svc::SvcId_Count);
data[id / BitsPerWord] &= ~(1ul << (id % BitsPerWord));
}
bool SetSvcAllowed(u32 id) {
constexpr size_t BitsPerWord = BITSIZEOF(this->svc_access_flags[0]);
if (id < BITSIZEOF(this->svc_access_flags)) {
this->svc_access_flags[id / BitsPerWord] = (1ul << (id % BitsPerWord));
SetSvcAllowedImpl(this->svc_access_flags, id);
return true;
} else {
return false;
@ -248,6 +261,19 @@ namespace ams::kern {
constexpr u64 GetCoreMask() const { return this->core_mask; }
constexpr u64 GetPriorityMask() const { return this->priority_mask; }
constexpr s32 GetHandleTableSize() const { return this->handle_table_size; }
ALWAYS_INLINE void CopySvcPermissionsTo(KThread::StackParameters &sp) const {
static_assert(sizeof(svc_access_flags) == sizeof(sp.svc_permission));
std::memcpy(sp.svc_permission, this->svc_access_flags, sizeof(this->svc_access_flags));
/* Clear specific SVCs based on our state. */
ClearSvcAllowedImpl(sp.svc_permission, svc::SvcId_ReturnFromException);
ClearSvcAllowedImpl(sp.svc_permission, svc::SvcId_SynchronizePreemptionState);
if (sp.is_preemption_state_pinned) {
ClearSvcAllowedImpl(sp.svc_permission, svc::SvcId_GetInfo);
}
}
/* TODO: Member functions. */
};