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kern: implement SetProcessMemoryPermission

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This commit is contained in:
Michael Scire 2020-02-19 08:07:44 -08:00
parent b857153964
commit 28ea0b12a8
9 changed files with 317 additions and 9 deletions
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2
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_page_table.hpp
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@ -207,6 +207,8 @@ namespace ams::kern::arch::arm64 {
ALWAYS_INLINE Result SeparatePagesImpl(KProcessAddress virt_addr, size_t block_size, PageLinkedList *page_list, bool reuse_ll);
Result SeparatePages(KProcessAddress virt_addr, size_t block_size, PageLinkedList *page_list, bool reuse_ll);
Result ChangePermissions(KProcessAddress virt_addr, size_t num_pages, PageTableEntry entry_template, bool refresh_mapping, PageLinkedList *page_list, bool reuse_ll);
static void PteDataSynchronizationBarrier() {
cpu::DataSynchronizationBarrierInnerShareable();
}

8
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_process_page_table.hpp
View file

@ -31,6 +31,14 @@ namespace ams::kern::arch::arm64 {
void Finalize() { this->page_table.Finalize(); }
Result SetMemoryPermission(KProcessAddress addr, size_t size, ams::svc::MemoryPermission perm) {
return this->page_table.SetMemoryPermission(addr, size, perm);
}
Result SetProcessMemoryPermission(KProcessAddress addr, size_t size, ams::svc::MemoryPermission perm) {
return this->page_table.SetProcessMemoryPermission(addr, size, perm);
}
Result MapIo(KPhysicalAddress phys_addr, size_t size, KMemoryPermission perm) {
return this->page_table.MapIo(phys_addr, size, perm);
}

6
libraries/libmesosphere/include/mesosphere/kern_k_initial_process_reader.hpp
View file

@ -16,6 +16,7 @@
#pragma once
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_k_address_space_info.hpp>
#include <mesosphere/kern_select_page_table.hpp>
namespace ams::kern {
@ -61,7 +62,7 @@ namespace ams::kern {
constexpr u64 GetProgramId() const { return this->program_id; }
constexpr u32 GetVersion() const { return this->version; }
constexpr u8 GetPriority() const { return this->priority; }
constexpr u8 GetIdealCore() const { return this->ideal_core_id; }
constexpr u8 GetIdealCoreId() const { return this->ideal_core_id; }
constexpr bool IsRxCompressed() const { return (this->flags & (1 << 0)); }
constexpr bool IsRoCompressed() const { return (this->flags & (1 << 1)); }
@ -109,7 +110,7 @@ namespace ams::kern {
}
constexpr u8 GetPriority() const { return this->kip_header->GetPriority(); }
constexpr u8 GetIdealCore() const { return this->kip_header->GetIdealCore(); }
constexpr u8 GetIdealCoreId() const { return this->kip_header->GetIdealCoreId(); }
constexpr u32 GetAffinityMask() const { return this->kip_header->GetAffinityMask(); }
constexpr u32 GetStackSize() const { return this->kip_header->GetStackSize(); }
@ -128,6 +129,7 @@ namespace ams::kern {
Result MakeCreateProcessParameter(ams::svc::CreateProcessParameter *out, bool enable_aslr) const;
Result Load(KProcessAddress address, const ams::svc::CreateProcessParameter &params) const;
Result SetMemoryPermissions(KProcessPageTable &page_table, const ams::svc::CreateProcessParameter &params) const;
};
}

11
libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
View file

@ -47,9 +47,11 @@ namespace ams::kern {
};
enum OperationType {
OperationType_Map = 0,
OperationType_MapGroup = 1,
OperationType_Unmap = 2,
OperationType_Map = 0,
OperationType_MapGroup = 1,
OperationType_Unmap = 2,
OperationType_ChangePermissions = 3,
OperationType_ChangePermissionsAndRefresh = 4,
/* TODO: perm/attr operations */
};
@ -234,6 +236,7 @@ namespace ams::kern {
Result AllocateAndMapPagesImpl(PageLinkedList *page_list, KProcessAddress address, size_t num_pages, const KPageProperties properties);
Result MapPageGroupImpl(PageLinkedList *page_list, KProcessAddress address, const KPageGroup &pg, const KPageProperties properties, bool reuse_ll);
Result MakePageGroup(KPageGroup &pg, KProcessAddress addr, size_t num_pages);
bool IsValidPageGroup(const KPageGroup &pg, KProcessAddress addr, size_t num_pages);
NOINLINE Result MapPages(KProcessAddress *out_addr, size_t num_pages, size_t alignment, KPhysicalAddress phys_addr, bool is_pa_valid, KProcessAddress region_start, size_t region_num_pages, KMemoryState state, KMemoryPermission perm);
@ -242,6 +245,8 @@ namespace ams::kern {
return this->GetImpl().GetPhysicalAddress(out, virt_addr);
}
Result SetMemoryPermission(KProcessAddress addr, size_t size, ams::svc::MemoryPermission perm);
Result SetProcessMemoryPermission(KProcessAddress addr, size_t size, ams::svc::MemoryPermission perm);
Result MapIo(KPhysicalAddress phys_addr, size_t size, KMemoryPermission perm);
Result MapStatic(KPhysicalAddress phys_addr, size_t size, KMemoryPermission perm);
Result MapRegion(KMemoryRegionType region_type, KMemoryPermission perm);

2
libraries/libmesosphere/include/mesosphere/kern_k_process.hpp
View file

@ -128,6 +128,8 @@ namespace ams::kern {
constexpr u64 GetCoreMask() const { return this->capabilities.GetCoreMask(); }
constexpr u64 GetPriorityMask() const { return this->capabilities.GetPriorityMask(); }
constexpr void SetIdealCoreId(s32 core_id) { this->ideal_core_id = core_id; }
constexpr bool Is64Bit() const { return this->flags & ams::svc::CreateProcessFlag_Is64Bit; }
KThread *GetPreemptionStatePinnedThread(s32 core_id) const {