From f9987bb3109647ce30bfdf591cdd9152a4ebfd46 Mon Sep 17 00:00:00 2001
From: Sergey Lisov <sleirsgoevy@gmail.com>
Date: Thu, 24 Aug 2023 19:40:43 +0300
Subject: [PATCH] ps5-kstuff: add missing files

---
 ps5-kstuff/uelf/syscall_fixes.c | 27 +++++++++++++++++++++++++++
 ps5-kstuff/uelf/syscall_fixes.h |  7 +++++++
 2 files changed, 34 insertions(+)
 create mode 100644 ps5-kstuff/uelf/syscall_fixes.c
 create mode 100644 ps5-kstuff/uelf/syscall_fixes.h

diff --git a/ps5-kstuff/uelf/syscall_fixes.c b/ps5-kstuff/uelf/syscall_fixes.c
new file mode 100644
index 0000000..07ac5af
--- /dev/null
+++ b/ps5-kstuff/uelf/syscall_fixes.c
@@ -0,0 +1,27 @@
+#include "utils.h"
+#include "syscall_fixes.h"
+
+extern char mprotect_fix_start[];
+extern char mprotect_fix_end[];
+extern char mdbg_call_fix[];
+
+static uint64_t dbgregs_for_syscall_fix[6] = {
+    (uint64_t)mprotect_fix_start, (uint64_t)mdbg_call_fix, 0, 0,
+    0, 0x405,
+};
+
+void handle_syscall_fix(uint64_t* regs)
+{
+    start_syscall_with_dbgregs(regs, dbgregs_for_syscall_fix);
+}
+
+int try_handle_syscall_fix_trap(uint64_t* regs)
+{
+    if(regs[RIP] == (uint64_t)mprotect_fix_start)
+        regs[RIP] = (uint64_t)mprotect_fix_end;
+    else if(regs[RIP] == (uint64_t)mdbg_call_fix)
+        regs[RAX] = 1;
+    else
+        return 0;
+    return 1;
+}
diff --git a/ps5-kstuff/uelf/syscall_fixes.h b/ps5-kstuff/uelf/syscall_fixes.h
new file mode 100644
index 0000000..8d632ea
--- /dev/null
+++ b/ps5-kstuff/uelf/syscall_fixes.h
@@ -0,0 +1,7 @@
+#pragma once
+#include <sys/types.h>
+
+#define SYS_mdbg_call 573
+
+void handle_syscall_fix(uint64_t* regs);
+int try_handle_syscall_fix_trap(uint64_t* regs);