1 files changed, 152 insertions, 0 deletions
diff --git a/hifi/xaf/hifi-dpf/ipc/xt-shmem/hikey/cpu_c.c b/hifi/xaf/hifi-dpf/ipc/xt-shmem/hikey/cpu_c.c
new file mode 100644
index 00000000..12ce8b71
--- /dev/null
+++ b/hifi/xaf/hifi-dpf/ipc/xt-shmem/hikey/cpu_c.c
@@ -0,0 +1,152 @@
+/*******************************************************************************
+* Copyright (C) 2018 Cadence Design Systems, Inc.
+* 
+* Permission is hereby granted, free of charge, to any person obtaining
+* a copy of this software and associated documentation files (the
+* "Software"), to use this Software with Cadence processor cores only and 
+* not with any other processors and platforms, subject to
+* the following conditions:
+* 
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+******************************************************************************/
+
+
+#include "cpu_c.h"
+#include <xtensa/config/specreg.h>
+#include <xtensa/config/core.h>
+#include <xtensa/simcall.h>
+#include "arch_hifi330.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif
+
+/*lint -e838 -e835 -e750 -e529 -e533 -e40*/
+
+//#define DSP_TRACES_TO_MEM_SIZE (0x800)
+
+void *g_pfVosHookFuncTable[OS_HOOK_TYPE_BUTT];
+
+void *g_pfVosIntrFuncTable[OS_INTR_CONNECT_BUTT];
+
+//unsigned int g_uwSoftIntInfo = 0;
+
+/* Interrupt nesting level */
+unsigned char g_ucVosIntNesting;
+
+/* Priority of current task */
+unsigned char g_ucVosPrioCur;
+
+/* Priority of highest priority task */
+unsigned char g_ucVosPrioHighRdy;
+
+/* Flag indicating that kernel is running */
+unsigned short g_bVosRunning;
+
+/* Pointer to highest priority TCB R-to-R */
+unsigned int *g_pstVosTCBHighRdy;
+
+/* Pointer to currently running TCB*/
+unsigned int *g_pstVosTCBCur;
+
+#define _XTSTR(x) #x
+#define XTSTR(x) _XTSTR(x)
+
+void OS_EnterIntHook(unsigned int uhwIntrNo)
+{
+    INTR_HOOK_FUN_TYPE pfIntrHook = (INTR_HOOK_FUN_TYPE)g_pfVosHookFuncTable[OS_HOOK_TYPE_ENTER_INTR];/*lint !e611*/
+
+    if (0 != pfIntrHook)
+    {
+        pfIntrHook(uhwIntrNo);
+    }
+}
+
+void OS_ExitIntHook(unsigned int uhwIntrNo)
+{
+    INTR_HOOK_FUN_TYPE pfIntrHook = (INTR_HOOK_FUN_TYPE)g_pfVosHookFuncTable[OS_HOOK_TYPE_EXIT_INTR];/*lint !e611*/
+
+    if (0 != pfIntrHook)
+    {
+        pfIntrHook(uhwIntrNo);
+    }
+}
+
+void OS_UserexecHandler(unsigned int uwExecCauseNo, unsigned int psAddr)
+{
+    VOS_EXCEPTION_HOOK_FUNC pfIntrHook = (VOS_EXCEPTION_HOOK_FUNC)g_pfVosHookFuncTable[OS_HOOK_TYPE_EXCEPTION];/*lint !e611*/
+
+    if (0 != pfIntrHook)
+    {
+        pfIntrHook(uwExecCauseNo);
+    }
+    else
+    {
+        extern void OS_Panic(void);
+        OS_Panic();
+    }
+}
+
+void OS_InterruptHandler(unsigned int uhwIntrNo)
+{
+    HOOK_FUN_TYPE pfIntrHook = (HOOK_FUN_TYPE)g_pfVosIntrFuncTable[uhwIntrNo];
+
+    if (0 != pfIntrHook)
+        //pfIntrHook();
+        pfIntrHook(0);
+}
+
+void OS_NmiHook(unsigned int uwExecCauseNo, unsigned int psAddr)
+{
+    HOOK_FUN_TYPE pfNmiHook = (HOOK_FUN_TYPE)g_pfVosHookFuncTable[OS_HOOK_TYPE_NMI];/*lint !e611*/
+
+    if (0 != pfNmiHook)
+    {
+        //pfNmiHook();
+        pfNmiHook(0);
+    }
+
+    //wait for hifi reset
+    UCOM_SET_WFI_NMI(5);
+}
+
+void VOS_ConnectInterrupt(unsigned int uwIntrNo, HOOK_FUN_TYPE pfnInterruptHook)
+{
+    g_pfVosIntrFuncTable[uwIntrNo] = (void *)pfnInterruptHook;/*lint !e611*/
+}
+
+void VOS_EnableInterrupt(unsigned int uwIntNo)
+{
+    unsigned int uwBitEnable;
+
+    uwBitEnable = xthal_get_intenable();
+    xthal_set_intenable(uwBitEnable | (((unsigned int)1) << uwIntNo ));
+
+}
+void VOS_DisableInterrupt(unsigned int uwIntNo)
+{
+    unsigned int uwBitEnable;
+
+    uwBitEnable = xthal_get_intenable();
+    xthal_set_intenable(uwBitEnable | (((unsigned int)0) << uwIntNo ));
+
+}
+
+#ifdef __cplusplus
+    #if __cplusplus
+        }
+    #endif
+#endif
+