--- /dev/null
+/******************************************************************************
+*
+* Copyright (C) 2014 - 2016 Xilinx, Inc. All rights reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, 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.
+*
+* Use of the Software is limited solely to applications:
+* (a) running on a Xilinx device, or
+* (b) that interact with a Xilinx device through a bus or interconnect.
+*
+* 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
+* XILINX 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.
+*
+* Except as contained in this notice, the name of the Xilinx shall not be used
+* in advertising or otherwise to promote the sale, use or other dealings in
+* this Software without prior written authorization from Xilinx.
+*
+******************************************************************************/
+/*****************************************************************************/
+/**
+*
+* @file xpseudo_asm_gcc.h
+*
+* This header file contains macros for using inline assembler code. It is
+* written specifically for the GNU compiler.
+*
+* <pre>
+* MODIFICATION HISTORY:
+*
+* Ver Who Date Changes
+* ----- -------- -------- -----------------------------------------------
+* 5.00 pkp 05/21/14 First release
+* 6.0 mus 07/27/16 Consolidated file for a53,a9 and r5 processors
+* </pre>
+*
+******************************************************************************/
+
+#ifndef XPSEUDO_ASM_GCC_H /* prevent circular inclusions */
+#define XPSEUDO_ASM_GCC_H /* by using protection macros */
+
+/***************************** Include Files ********************************/
+
+#include "xil_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/************************** Constant Definitions ****************************/
+
+/**************************** Type Definitions ******************************/
+
+/***************** Macros (Inline Functions) Definitions ********************/
+
+/* necessary for pre-processor */
+#define stringify(s) tostring(s)
+#define tostring(s) #s
+
+#if defined (__aarch64__)
+/* pseudo assembler instructions */
+#define mfcpsr() ({u32 rval = 0U; \
+ asm volatile("mrs %0, DAIF" : "=r" (rval));\
+ rval;\
+ })
+
+#define mtcpsr(v) __asm__ __volatile__ ("msr DAIF, %0" : : "r" (v))
+
+#define cpsiei() //__asm__ __volatile__("cpsie i\n")
+#define cpsidi() //__asm__ __volatile__("cpsid i\n")
+
+#define cpsief() //__asm__ __volatile__("cpsie f\n")
+#define cpsidf() //__asm__ __volatile__("cpsid f\n")
+
+
+
+#define mtgpr(rn, v) /*__asm__ __volatile__(\
+ "mov r" stringify(rn) ", %0 \n"\
+ : : "r" (v)\
+ )*/
+
+#define mfgpr(rn) /*({u32 rval; \
+ __asm__ __volatile__(\
+ "mov %0,r" stringify(rn) "\n"\
+ : "=r" (rval)\
+ );\
+ rval;\
+ })*/
+
+/* memory synchronization operations */
+
+/* Instruction Synchronization Barrier */
+#define isb() __asm__ __volatile__ ("isb sy")
+
+/* Data Synchronization Barrier */
+#define dsb() __asm__ __volatile__("dsb sy")
+
+/* Data Memory Barrier */
+#define dmb() __asm__ __volatile__("dmb sy")
+
+
+/* Memory Operations */
+#define ldr(adr) ({u64 rval; \
+ __asm__ __volatile__(\
+ "ldr %0,[%1]"\
+ : "=r" (rval) : "r" (adr)\
+ );\
+ rval;\
+ })
+
+#else
+
+/* pseudo assembler instructions */
+#define mfcpsr() ({u32 rval = 0U; \
+ __asm__ __volatile__(\
+ "mrs %0, cpsr\n"\
+ : "=r" (rval)\
+ );\
+ rval;\
+ })
+
+#define mtcpsr(v) __asm__ __volatile__(\
+ "msr cpsr,%0\n"\
+ : : "r" (v)\
+ )
+
+#define cpsiei() __asm__ __volatile__("cpsie i\n")
+#define cpsidi() __asm__ __volatile__("cpsid i\n")
+
+#define cpsief() __asm__ __volatile__("cpsie f\n")
+#define cpsidf() __asm__ __volatile__("cpsid f\n")
+
+
+
+#define mtgpr(rn, v) __asm__ __volatile__(\
+ "mov r" stringify(rn) ", %0 \n"\
+ : : "r" (v)\
+ )
+
+#define mfgpr(rn) ({u32 rval; \
+ __asm__ __volatile__(\
+ "mov %0,r" stringify(rn) "\n"\
+ : "=r" (rval)\
+ );\
+ rval;\
+ })
+
+/* memory synchronization operations */
+
+/* Instruction Synchronization Barrier */
+#define isb() __asm__ __volatile__ ("isb" : : : "memory")
+
+/* Data Synchronization Barrier */
+#define dsb() __asm__ __volatile__ ("dsb" : : : "memory")
+
+/* Data Memory Barrier */
+#define dmb() __asm__ __volatile__ ("dmb" : : : "memory")
+
+
+/* Memory Operations */
+#define ldr(adr) ({u32 rval; \
+ __asm__ __volatile__(\
+ "ldr %0,[%1]"\
+ : "=r" (rval) : "r" (adr)\
+ );\
+ rval;\
+ })
+
+#endif
+
+#define ldrb(adr) ({u8 rval; \
+ __asm__ __volatile__(\
+ "ldrb %0,[%1]"\
+ : "=r" (rval) : "r" (adr)\
+ );\
+ rval;\
+ })
+
+#define str(adr, val) __asm__ __volatile__(\
+ "str %0,[%1]\n"\
+ : : "r" (val), "r" (adr)\
+ )
+
+#define strb(adr, val) __asm__ __volatile__(\
+ "strb %0,[%1]\n"\
+ : : "r" (val), "r" (adr)\
+ )
+
+/* Count leading zeroes (clz) */
+#define clz(arg) ({u8 rval; \
+ __asm__ __volatile__(\
+ "clz %0,%1"\
+ : "=r" (rval) : "r" (arg)\
+ );\
+ rval;\
+ })
+
+#if defined (__aarch64__)
+#define mtcpdc(reg,val) __asm__ __volatile__("dc " #reg ",%0" : : "r" (val))
+#define mtcpic(reg,val) __asm__ __volatile__("ic " #reg ",%0" : : "r" (val))
+
+#define mtcpicall(reg) __asm__ __volatile__("ic " #reg)
+#define mtcptlbi(reg) __asm__ __volatile__("tlbi " #reg)
+#define mtcpat(reg,val) __asm__ __volatile__("at " #reg ",%0" : : "r" (val))
+/* CP15 operations */
+#define mfcp(reg) ({u64 rval = 0U;\
+ __asm__ __volatile__("mrs %0, " #reg : "=r" (rval));\
+ rval;\
+ })
+
+#define mtcp(reg,val) __asm__ __volatile__("msr " #reg ",%0" : : "r" (val))
+
+#else
+/* CP15 operations */
+#define mtcp(rn, v) __asm__ __volatile__(\
+ "mcr " rn "\n"\
+ : : "r" (v)\
+ );
+
+#define mfcp(rn) ({u32 rval = 0U; \
+ __asm__ __volatile__(\
+ "mrc " rn "\n"\
+ : "=r" (rval)\
+ );\
+ rval;\
+ })
+#endif
+
+/************************** Variable Definitions ****************************/
+
+/************************** Function Prototypes *****************************/
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* XPSEUDO_ASM_GCC_H */
projects / freertos / blobdiff