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use dmem for swap buffers, restore full jit sizes

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lizzie 2026-02-01 03:39:22 +00:00
parent 7910f56263
commit 3f61c8be44
4 changed files with 12 additions and 13 deletions
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12
src/common/virtual_buffer.cpp
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@ -16,6 +16,7 @@
#include <fcntl.h>
#include <boost/container/static_vector.hpp>
#include <orbis/SystemService.h>
#include <orbis/libkernel.h>
typedef void (*SceKernelExceptionHandler)(int32_t, void*);
extern "C" int32_t sceKernelInstallExceptionHandler(int32_t signum, SceKernelExceptionHandler handler);
#endif
@ -143,8 +144,13 @@ void* AllocateMemoryPages(std::size_t size) noexcept {
#elif defined(__OPENORBIS__)
void* addr;
if (size <= 8192 * 4096) {
addr = malloc(size);
LOG_WARNING(HW_Memory, "Using DMem for {} bytes area @ {}", size, addr);
size_t align = 16384;
size_t len = (size + align - 1) / align * align;
off_t offset = 0;
ASSERT(sceKernelAllocateDirectMemory(0, ORBIS_KERNEL_MAIN_DMEM_SIZE, len, align, ORBIS_KERNEL_WB_ONION, &offset) == 0);
ASSERT(sceKernelMapDirectMemory(&addr, len, ORBIS_KERNEL_PROT_CPU_RW, 0, offset, len) == 0);
ASSERT(sceKernelMprotect(addr, len, VM_PROT_ALL) == 0);
LOG_WARNING(HW_Memory, "Using DMem for {} bytes area @ {}", len, addr);
ASSERT(addr != nullptr);
} else {
addr = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_VOID | MAP_PRIVATE, -1, 0);
@ -166,7 +172,7 @@ void FreeMemoryPages(void* addr, [[maybe_unused]] std::size_t size) noexcept {
VirtualFree(addr, 0, MEM_RELEASE);
#elif defined(__OPENORBIS__)
if (size <= 8192 * 4096) {
free(addr);
sceKernelCheckedReleaseDirectMemory(off_t(addr), size_t(size));
} else {
int rc = munmap(addr, size);
ASSERT(rc == 0);