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early-access version 2389

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pineappleEA
2022-01-12 07:07:47 +01:00
parent 3a8b87bfc0
commit ec43f604e1
12 changed files with 143 additions and 95 deletions
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38
src/core/hle/service/ldr/ldr.cpp
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@@ -14,6 +14,7 @@
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_system_control.h"
#include "core/hle/kernel/svc_results.h"
#include "core/hle/kernel/svc_types.h"
#include "core/hle/service/ldr/ldr.h"
#include "core/hle/service/service.h"
#include "core/loader/nro.h"
@@ -325,7 +326,7 @@ public:
for (std::size_t retry = 0; retry < MAXIMUM_MAP_RETRIES; retry++) {
auto& page_table{process->PageTable()};
const VAddr addr{GetRandomMapRegion(page_table, size)};
const ResultCode result{page_table.MapProcessCodeMemory(addr, baseAddress, size)};
const ResultCode result{page_table.MapCodeMemory(addr, baseAddress, size)};
if (result == Kernel::ResultInvalidCurrentMemory) {
continue;
@@ -351,12 +352,12 @@ public:
if (bss_size) {
auto block_guard = detail::ScopeExit([&] {
page_table.UnmapProcessCodeMemory(addr + nro_size, bss_addr, bss_size);
page_table.UnmapProcessCodeMemory(addr, nro_addr, nro_size);
page_table.UnmapCodeMemory(addr + nro_size, bss_addr, bss_size);
page_table.UnmapCodeMemory(addr, nro_addr, nro_size);
});
const ResultCode result{
page_table.MapProcessCodeMemory(addr + nro_size, bss_addr, bss_size)};
page_table.MapCodeMemory(addr + nro_size, bss_addr, bss_size)};
if (result == Kernel::ResultInvalidCurrentMemory) {
continue;
@@ -397,12 +398,12 @@ public:
nro_header.segment_headers[DATA_INDEX].memory_size);
CASCADE_CODE(process->PageTable().SetProcessMemoryPermission(
text_start, ro_start - text_start, Kernel::KMemoryPermission::ReadAndExecute));
text_start, ro_start - text_start, Kernel::Svc::MemoryPermission::ReadExecute));
CASCADE_CODE(process->PageTable().SetProcessMemoryPermission(
ro_start, data_start - ro_start, Kernel::KMemoryPermission::Read));
ro_start, data_start - ro_start, Kernel::Svc::MemoryPermission::Read));
return process->PageTable().SetProcessMemoryPermission(
data_start, bss_end_addr - data_start, Kernel::KMemoryPermission::ReadAndWrite);
data_start, bss_end_addr - data_start, Kernel::Svc::MemoryPermission::ReadWrite);
}
void LoadModule(Kernel::HLERequestContext& ctx) {
@@ -530,16 +531,19 @@ public:
ResultCode UnmapNro(const NROInfo& info) {
// Each region must be unmapped separately to validate memory state
auto& page_table{system.CurrentProcess()->PageTable()};
CASCADE_CODE(page_table.UnmapProcessCodeMemory(info.nro_address + info.text_size +
info.ro_size + info.data_size,
info.bss_address, info.bss_size));
CASCADE_CODE(page_table.UnmapProcessCodeMemory(
info.nro_address + info.text_size + info.ro_size,
info.src_addr + info.text_size + info.ro_size, info.data_size));
CASCADE_CODE(page_table.UnmapProcessCodeMemory(
info.nro_address + info.text_size, info.src_addr + info.text_size, info.ro_size));
CASCADE_CODE(
page_table.UnmapProcessCodeMemory(info.nro_address, info.src_addr, info.text_size));
if (info.bss_size != 0) {
CASCADE_CODE(page_table.UnmapCodeMemory(info.nro_address + info.text_size +
info.ro_size + info.data_size,
info.bss_address, info.bss_size));
}
CASCADE_CODE(page_table.UnmapCodeMemory(info.nro_address + info.text_size + info.ro_size,
info.src_addr + info.text_size + info.ro_size,
info.data_size));
CASCADE_CODE(page_table.UnmapCodeMemory(info.nro_address + info.text_size,
info.src_addr + info.text_size, info.ro_size));
CASCADE_CODE(page_table.UnmapCodeMemory(info.nro_address, info.src_addr, info.text_size));
return ResultSuccess;
}