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Diffstat (limited to '')
| -rw-r--r-- | bsps/include/xil/xpseudo_asm_gcc.h | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/bsps/include/xil/xpseudo_asm_gcc.h b/bsps/include/xil/xpseudo_asm_gcc.h new file mode 100644 index 0000000000..d986349072 --- /dev/null +++ b/bsps/include/xil/xpseudo_asm_gcc.h @@ -0,0 +1,240 @@ +/****************************************************************************** +* Copyright (c) 2014 - 2021 Xilinx, Inc. All rights reserved. +* SPDX-License-Identifier: MIT +******************************************************************************/ + +/*****************************************************************************/ +/** +* +* @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 +* 7.2 asa 04/03/20 Renamed the str macro to strw. +* 7.2 dp 04/30/20 Added clobber "cc" to mtcpsr for aarch32 processors +* </pre> +* +******************************************************************************/ + +/** + *@cond nocomments + */ + +#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;\ + }) + +#define mfelrel3() ({u64 rval = 0U; \ + asm volatile("mrs %0, ELR_EL3" : "=r" (rval));\ + rval;\ + }) + +#define mtelrel3(v) __asm__ __volatile__ ("msr ELR_EL3, %0" : : "r" (v)) + +#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) : "cc" \ + ) + +#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 strw(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 */ + +/** + *@endcond + */ + +#endif /* XPSEUDO_ASM_GCC_H */ |