Downgrade GCC to 12.3, add setjmp(), fix CdGetRegion()

1 files changed, 31 insertions, 0 deletions

diff --git a/libpsn00b/include/setjmp.h b/libpsn00b/include/setjmp.h
new file mode 100644
index 0000000..0f05b67
--- /dev/null
+++ b/libpsn00b/include/setjmp.h
@@ -0,0 +1,31 @@
+/*
+ * PSn00bSDK standard library
+ * (C) 2023 spicyjpeg - MPL licensed
+ *
+ * This setjmp() implementation is compatible with the one in the BIOS, making
+ * it possible to pass a jmp_buf structure as-is to BIOS functions such as
+ * HookEntryInt().
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+typedef struct _JumpBuffer {
+	uint32_t ra, sp, fp;
+	uint32_t s0, s1, s2, s3, s4, s5, s6, s7;
+	uint32_t gp;
+} JumpBuffer;
+
+typedef JumpBuffer *jmp_buf;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int setjmp(jmp_buf buf);
+void longjmp(jmp_buf buf, int value);
+
+#ifdef __cplusplus
+}
+#endif