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Implement posix_readv and sceKernelReadv

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Also fixes error behavior on readv, as that function shouldn't be returning any kernel error codes.
This commit is contained in:
Stephen Miller 2025-02-17 18:28:57 -06:00
parent 80da8a9ae9
commit bb75754245
1 changed files with 20 additions and 6 deletions
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26
src/core/libraries/kernel/file_system.cpp
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@ -285,11 +285,12 @@ size_t ReadFile(Common::FS::IOFile& file, void* buf, size_t nbytes) {
return file.ReadRaw<u8>(buf, nbytes);
}
size_t PS4_SYSV_ABI readv(int d, const SceKernelIovec* iov, int iovcnt) {
size_t PS4_SYSV_ABI readv(s32 fd, const SceKernelIovec* iov, s32 iovcnt) {
auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
auto* file = h->GetFile(d);
auto* file = h->GetFile(fd);
if (file == nullptr) {
return ORBIS_KERNEL_ERROR_EBADF;
*__Error() = POSIX_EBADF;
return -1;
}
std::scoped_lock lk{file->m_mutex};
@ -308,6 +309,19 @@ size_t PS4_SYSV_ABI readv(int d, const SceKernelIovec* iov, int iovcnt) {
return total_read;
}
size_t PS4_SYSV_ABI posix_readv(s32 fd, const SceKernelIovec* iov, s32 iovcnt) {
return readv(fd, iov, iovcnt);
}
size_t PS4_SYSV_ABI sceKernelReadv(s32 fd, const SceKernelIovec* iov, s32 iovcnt) {
size_t result = readv(fd, iov, iovcnt);
if (result < 0) {
LOG_ERROR(Kernel_Fs, "readv: error = {}", *__Error());
return ErrnoToSceKernelError(*__Error());
}
return result;
}
size_t PS4_SYSV_ABI writev(int fd, const SceKernelIovec* iov, int iovcn) {
auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
auto* file = h->GetFile(fd);
@ -795,9 +809,9 @@ void RegisterFileSystem(Core::Loader::SymbolsResolver* sym) {
LIB_FUNCTION("4wSze92BhLI", "libkernel", 1, "libkernel", 1, 1, sceKernelWrite);
LIB_FUNCTION("+WRlkKjZvag", "libkernel", 1, "libkernel", 1, 1, readv);
// LIB_FUNCTION("I7ImcLds-uU", "libScePosix", 1, "libkernel", 1, 1, posix_readv);
// LIB_FUNCTION("I7ImcLds-uU", "libkernel", 1, "libkernel", 1, 1, posix_readv);
// LIB_FUNCTION("QqxBetgJH+g", "libkernel", 1, "libkernel", 1, 1, SceKernelReadv);
LIB_FUNCTION("I7ImcLds-uU", "libScePosix", 1, "libkernel", 1, 1, posix_readv);
LIB_FUNCTION("I7ImcLds-uU", "libkernel", 1, "libkernel", 1, 1, posix_readv);
LIB_FUNCTION("QqxBetgJH+g", "libkernel", 1, "libkernel", 1, 1, SceKernelReadv);
LIB_FUNCTION("YSHRBRLn2pI", "libkernel", 1, "libkernel", 1, 1, writev);
// LIB_FUNCTION("Z2aKdxzS4KE", "libScePosix", 1, "libkernel", 1, 1, posix_writev);