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Implement sceKernelPwritev (#2865)

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Marcin Mikołajczyk 2025-04-30 11:09:40 +02:00 • committed by GitHub
parent 5e3157a82c
commit fa9f58446f
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GPG key ID: B5690EEEBB952194
2 changed files with 28 additions and 3 deletions
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4
src/core/devices/base_device.h
View file

@ -40,6 +40,10 @@ public:
return ORBIS_KERNEL_ERROR_EBADF;
}
virtual size_t pwritev(const Libraries::Kernel::SceKernelIovec* iov, int iovcnt, u64 offset) {
return ORBIS_KERNEL_ERROR_EBADF;
}
virtual s64 lseek(s64 offset, int whence) {
return ORBIS_KERNEL_ERROR_EBADF;
}

27
src/core/libraries/kernel/file_system.cpp
View file

@ -877,7 +877,7 @@ s32 PS4_SYSV_ABI sceKernelGetdirentries(s32 fd, char* buf, s32 nbytes, s64* base
return result;
}
s64 PS4_SYSV_ABI posix_pwrite(s32 fd, void* buf, size_t nbytes, s64 offset) {
s64 PS4_SYSV_ABI posix_pwritev(s32 fd, const SceKernelIovec* iov, s32 iovcnt, s64 offset) {
if (offset < 0) {
*__Error() = POSIX_EINVAL;
return -1;
@ -893,7 +893,7 @@ s64 PS4_SYSV_ABI posix_pwrite(s32 fd, void* buf, size_t nbytes, s64 offset) {
std::scoped_lock lk{file->m_mutex};
if (file->type == Core::FileSys::FileType::Device) {
s64 result = file->device->pwrite(buf, nbytes, offset);
s64 result = file->device->pwritev(iov, iovcnt, offset);
if (result < 0) {
ErrSceToPosix(result);
return -1;
@ -908,7 +908,16 @@ s64 PS4_SYSV_ABI posix_pwrite(s32 fd, void* buf, size_t nbytes, s64 offset) {
*__Error() = POSIX_EIO;
return -1;
}
return file->f.WriteRaw<u8>(buf, nbytes);
size_t total_written = 0;
for (int i = 0; i < iovcnt; i++) {
total_written += file->f.WriteRaw<u8>(iov[i].iov_base, iov[i].iov_len);
}
return total_written;
}
s64 PS4_SYSV_ABI posix_pwrite(s32 fd, void* buf, size_t nbytes, s64 offset) {
SceKernelIovec iovec{buf, nbytes};
return posix_pwritev(fd, &iovec, 1, offset);
}
s64 PS4_SYSV_ABI sceKernelPwrite(s32 fd, void* buf, size_t nbytes, s64 offset) {
@ -920,6 +929,15 @@ s64 PS4_SYSV_ABI sceKernelPwrite(s32 fd, void* buf, size_t nbytes, s64 offset) {
return result;
}
s64 PS4_SYSV_ABI sceKernelPwritev(s32 fd, const SceKernelIovec* iov, s32 iovcnt, s64 offset) {
s64 result = posix_pwritev(fd, iov, iovcnt, offset);
if (result < 0) {
LOG_ERROR(Kernel_Fs, "error = {}", *__Error());
return ErrnoToSceKernelError(*__Error());
}
return result;
}
s32 PS4_SYSV_ABI posix_unlink(const char* path) {
if (path == nullptr) {
*__Error() = POSIX_EINVAL;
@ -1017,7 +1035,10 @@ void RegisterFileSystem(Core::Loader::SymbolsResolver* sym) {
LIB_FUNCTION("sfKygSjIbI8", "libkernel", 1, "libkernel", 1, 1, getdirentries);
LIB_FUNCTION("taRWhTJFTgE", "libkernel", 1, "libkernel", 1, 1, sceKernelGetdirentries);
LIB_FUNCTION("C2kJ-byS5rM", "libkernel", 1, "libkernel", 1, 1, posix_pwrite);
LIB_FUNCTION("FCcmRZhWtOk", "libScePosix", 1, "libkernel", 1, 1, posix_pwritev);
LIB_FUNCTION("FCcmRZhWtOk", "libkernel", 1, "libkernel", 1, 1, posix_pwritev);
LIB_FUNCTION("nKWi-N2HBV4", "libkernel", 1, "libkernel", 1, 1, sceKernelPwrite);
LIB_FUNCTION("mBd4AfLP+u8", "libkernel", 1, "libkernel", 1, 1, sceKernelPwritev);
LIB_FUNCTION("AUXVxWeJU-A", "libkernel", 1, "libkernel", 1, 1, sceKernelUnlink);
}