diff options
| author | Amlal El Mahrouss <amlal@nekernel.org> | 2025-05-30 14:42:35 +0200 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal@nekernel.org> | 2025-05-30 14:42:35 +0200 |
| commit | 86b89793dcaf290206faeb7fe3100dd0a5f71d1d (patch) | |
| tree | 7ebb5128173f7b48b1e8629f6be031e62b6a5427 /dev/libSystem/src/SystemImpl.cc | |
| parent | 0e92d4841f0d1b6a5f2e1b093d9d0b6864dfac93 (diff) | |
global: architectural changes, see commit details.
refactor: Refactor libSystem, user frameworks, and preparing for OpenMSG.
feat: Jail info client structure (libSystem)
feat: Document what the RTime is doing starting from line 504.
feat: use `int 50` instead of `syscall` for now.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
Diffstat (limited to 'dev/libSystem/src/SystemImpl.cc')
| -rw-r--r-- | dev/libSystem/src/SystemImpl.cc | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/dev/libSystem/src/SystemImpl.cc b/dev/libSystem/src/SystemImpl.cc new file mode 100644 index 00000000..6c2201fe --- /dev/null +++ b/dev/libSystem/src/SystemImpl.cc @@ -0,0 +1,91 @@ +/* -------------------------------------------
+
+ Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#include <libSystem/SystemKit/Syscall.h>
+#include <libSystem/SystemKit/System.h>
+
+/// @file SystemAPI.cc
+/// @brief System wide API for NeKernel.
+
+IMPORT_C VoidPtr MmCopyMemory(_Input VoidPtr dest, _Input VoidPtr src, _Input SizeT len) {
+ if (!len || !dest || !src) {
+ return nullptr;
+ }
+
+ for (SizeT i = 0; i < len; i++) {
+ ((Char*) dest)[i] = ((Char*) src)[i];
+ }
+
+ return dest;
+}
+
+IMPORT_C SInt64 MmStrLen(const Char* in) {
+ if (!in) return 0;
+
+ SizeT len{0};
+
+ do {
+ ++len;
+ } while (in[len] != '\0');
+
+ return len;
+}
+
+IMPORT_C VoidPtr MmFillMemory(_Input VoidPtr dest, _Input SizeT len, _Input UInt8 value) {
+ if (!len || !dest) {
+ return nullptr;
+ }
+
+ for (SizeT i = 0; i < len; i++) {
+ ((Char*) dest)[i] = value;
+ }
+
+ return dest;
+}
+
+IMPORT_C Ref IoOpenFile(_Input const Char* path, _Input const Char* drv_letter) {
+ return (Ref)libsys_syscall_arg_3(SYSCALL_HASH('IoOpenFile'), reinterpret_cast<VoidPtr>(const_cast<Char*>(path)),
+ reinterpret_cast<VoidPtr>(const_cast<Char*>(drv_letter)));
+}
+
+IMPORT_C Void IoCloseFile(_Input Ref desc) {
+ libsys_syscall_arg_2(2, desc);
+}
+
+IMPORT_C UInt64 IoSeekFile(_Input Ref desc, _Input UInt64 off) {
+ auto ret = (volatile UInt64*) libsys_syscall_arg_3(SYSCALL_HASH('IoSeekFile'), reinterpret_cast<VoidPtr>(desc),
+ reinterpret_cast<VoidPtr>(&off));
+
+ MUST_PASS((*ret) != ~0UL);
+ return *ret;
+}
+
+IMPORT_C UInt64 IoTellFile(_Input Ref desc) {
+ auto ret = (volatile UInt64*) libsys_syscall_arg_2(SYSCALL_HASH('IoTellFile'), reinterpret_cast<VoidPtr>(desc));
+ return *ret;
+}
+
+IMPORT_C SInt32 PrintOut(_Input IORef desc, const char* fmt, ...) {
+ va_list args;
+
+ va_start(args, fmt);
+
+ auto ret = (volatile UInt64*) libsys_syscall_arg_4(
+ SYSCALL_HASH('PrintOut'), reinterpret_cast<VoidPtr>(desc), reinterpret_cast<VoidPtr>(const_cast<Char*>(fmt)), args);
+
+ va_end(args);
+
+ return *ret;
+}
+
+IMPORT_C Void _rtl_assert(Bool expr, const Char* origin) {
+ if (!expr) {
+ PrintOut(nullptr, "Assertion failed: %s\r", origin);
+ PrintOut(nullptr, "Origin: %s\r", origin);
+
+ libsys_syscall_arg_1(SYSCALL_HASH('_rtl_debug_break'));
+ }
+}
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