qemu

FORK: QEMU emulator
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common-semi-target.h (1388B)

      1 /*
      2  * Target-specific parts of semihosting/arm-compat-semi.c.
      3  *
      4  * Copyright (c) 2005, 2007 CodeSourcery.
      5  * Copyright (c) 2019, 2022 Linaro
      6  *
      7  * SPDX-License-Identifier: GPL-2.0-or-later
      8  */
      9 
     10 #ifndef TARGET_ARM_COMMON_SEMI_TARGET_H
     11 #define TARGET_ARM_COMMON_SEMI_TARGET_H
     12 
     13 #ifndef CONFIG_USER_ONLY
     14 #include "hw/arm/boot.h"
     15 #endif
     16 
     17 static inline target_ulong common_semi_arg(CPUState *cs, int argno)
     18 {
     19     ARMCPU *cpu = ARM_CPU(cs);
     20     CPUARMState *env = &cpu->env;
     21     if (is_a64(env)) {
     22         return env->xregs[argno];
     23     } else {
     24         return env->regs[argno];
     25     }
     26 }
     27 
     28 static inline void common_semi_set_ret(CPUState *cs, target_ulong ret)
     29 {
     30     ARMCPU *cpu = ARM_CPU(cs);
     31     CPUARMState *env = &cpu->env;
     32     if (is_a64(env)) {
     33         env->xregs[0] = ret;
     34     } else {
     35         env->regs[0] = ret;
     36     }
     37 }
     38 
     39 static inline bool common_semi_sys_exit_extended(CPUState *cs, int nr)
     40 {
     41     return (nr == TARGET_SYS_EXIT_EXTENDED || is_a64(cs->env_ptr));
     42 }
     43 
     44 static inline bool is_64bit_semihosting(CPUArchState *env)
     45 {
     46     return is_a64(env);
     47 }
     48 
     49 static inline target_ulong common_semi_stack_bottom(CPUState *cs)
     50 {
     51     ARMCPU *cpu = ARM_CPU(cs);
     52     CPUARMState *env = &cpu->env;
     53     return is_a64(env) ? env->xregs[31] : env->regs[13];
     54 }
     55 
     56 static inline bool common_semi_has_synccache(CPUArchState *env)
     57 {
     58     /* Ok for A64, invalid for A32/T32 */
     59     return is_a64(env);
     60 }
     61 
     62 #endif