From 6d2b2779ea7ac02affc16c3a2414d05767aff883 Mon Sep 17 00:00:00 2001 From: georgemoralis Date: Mon, 24 Jun 2024 13:25:50 +0300 Subject: [PATCH] added sceKernelPwrite --- src/core/libraries/kernel/file_system.cpp | 32 +++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/src/core/libraries/kernel/file_system.cpp b/src/core/libraries/kernel/file_system.cpp index 2a874c63..b3449cfd 100644 --- a/src/core/libraries/kernel/file_system.cpp +++ b/src/core/libraries/kernel/file_system.cpp @@ -384,6 +384,37 @@ int PS4_SYSV_ABI sceKernelGetdirentries(int fd, char* buf, int nbytes, s64* base return GetDents(fd, buf, nbytes, basep); } +s64 PS4_SYSV_ABI sceKernelPwrite(int d, void* buf, size_t nbytes, s64 offset) { + if (d < 3) { + return ORBIS_KERNEL_ERROR_EPERM; + } + + if (buf == nullptr) { + return ORBIS_KERNEL_ERROR_EFAULT; + } + + if (offset < 0) { + return ORBIS_KERNEL_ERROR_EINVAL; + } + + auto* h = Common::Singleton::Instance(); + auto* file = h->GetFile(d); + + if (file == nullptr) { + return ORBIS_KERNEL_ERROR_EBADF; + } + + file->m_mutex.lock(); + + auto pos = file->f.Tell(); + file->f.Seek(offset); + u32 bytes_write = file->f.WriteRaw(buf, static_cast(nbytes)); + file->f.Seek(pos); + file->m_mutex.unlock(); + + return bytes_write; +} + void fileSystemSymbolsRegister(Core::Loader::SymbolsResolver* sym) { LIB_FUNCTION("1G3lF1Gg1k8", "libkernel", 1, "libkernel", 1, 1, sceKernelOpen); LIB_FUNCTION("wuCroIGjt2g", "libScePosix", 1, "libkernel", 1, 1, posix_open); @@ -409,6 +440,7 @@ void fileSystemSymbolsRegister(Core::Loader::SymbolsResolver* sym) { LIB_FUNCTION("fTx66l5iWIA", "libkernel", 1, "libkernel", 1, 1, sceKernelFsync); LIB_FUNCTION("j2AIqSqJP0w", "libkernel", 1, "libkernel", 1, 1, sceKernelGetdents); LIB_FUNCTION("taRWhTJFTgE", "libkernel", 1, "libkernel", 1, 1, sceKernelGetdirentries); + LIB_FUNCTION("nKWi-N2HBV4", "libkernel", 1, "libkernel", 1, 1, sceKernelPwrite); // openOrbis (to check if it is valid out of OpenOrbis LIB_FUNCTION("6c3rCVE-fTU", "libkernel", 1, "libkernel", 1, 1,