From 3a8869dd09fc369e59e28b9fc9b60add64951775 Mon Sep 17 00:00:00 2001
From: Yifan Lu
Date: Sun, 17 Dec 2017 15:07:13 -0800
Subject: Added excpmgr for handling aborts

---
 include/kernel/kernel/excpmgr.h   | 46 +++++++++++++++++++++++++++++++++++++++
 include/kernel/kernel/threadmgr.h | 14 ++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 include/kernel/kernel/excpmgr.h

(limited to 'include/kernel')

diff --git a/include/kernel/kernel/excpmgr.h b/include/kernel/kernel/excpmgr.h
new file mode 100644
index 0000000..d9c83ed
--- /dev/null
+++ b/include/kernel/kernel/excpmgr.h
@@ -0,0 +1,46 @@
+#ifndef _PSP2_KERNEL_EXCPMGR_H_
+#define _PSP2_KERNEL_EXCPMGR_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum SceExcpKind {
+	SCE_EXCP_RESET                = 0,
+	SCE_EXCP_UNDEF_INSTRUCTION    = 1,
+	SCE_EXCP_SVC                  = 2,
+	SCE_EXCP_PABT                 = 3,
+	SCE_EXCP_DABT                 = 4,
+	SCE_EXCP_UNUSED               = 5,
+	SCE_EXCP_IRQ                  = 6,
+	SCE_EXCP_FIQ                  = 7
+} SceExcpKind;
+
+/***
+ * Get a pointer to SceExcpmgr's internal data
+ * 
+ * This is only used by exception handlers.
+ *
+ * @return pointer to excpmgr data section.
+*/
+void *sceExcpmgrGetData(void);
+
+/**
+ * Register an exception handler
+ *
+ * `handler` must point to eight bytes of space followed by the handler code.
+ * The space will be used in the internal linked list structure.
+ *
+ * @param[in]  kind      The kind of exception
+ * @param[in]  priority  The priority (must be 0 <= priority < 8), 0 highest
+ * @param      handler   The handler
+ *
+ * @return     Error code or zero on success
+ */
+int sceExcpmgrRegisterHandler(SceExcpKind kind, int priority, void *handler);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PSP2_KERNEL_EXCPMGR_H_ */
diff --git a/include/kernel/kernel/threadmgr.h b/include/kernel/kernel/threadmgr.h
index dc04a01..5bd1790 100644
--- a/include/kernel/kernel/threadmgr.h
+++ b/include/kernel/kernel/threadmgr.h
@@ -98,6 +98,11 @@ typedef enum SceThreadStatus {
 	SCE_THREAD_KILLED  = 32, /* Thread manager has killed the thread (stack overflow) */
 } SceThreadStatus;
 
+typedef struct SceKernelFaultingProcessInfo {
+    SceUID pid;
+    uint32_t unk;
+} SceKernelFaultingProcessInfo;
+
 /**
  * \brief Create a thread
  *
@@ -1061,6 +1066,15 @@ SceUID sceKernelGetProcessId(void);
  */
 int sceKernelRunWithStack(int stack_size, int (*to_call)(void *), void *args);
 
+/**
+ * @brief      Call from an abort handler to get info on faulting process
+ *
+ * @param      info  Output info
+ *
+ * @return     Zero on success
+ */
+int sceKernelGetFaultingProcess(SceKernelFaultingProcessInfo *info);
+
 #ifdef __cplusplus
 }
 #endif
-- 
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