From 17a406eec574e6e97fa7d5c70047026502a358cb Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Thu, 21 Apr 2022 08:16:47 -0700 Subject: target/nios2: Split PC out of env->regs[] It is cleaner to have a separate name for this variable. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Message-Id: <20220421151735.31996-17-richard.henderson@linaro.org> --- linux-user/nios2/cpu_loop.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) (limited to 'linux-user/nios2/cpu_loop.c') diff --git a/linux-user/nios2/cpu_loop.c b/linux-user/nios2/cpu_loop.c index e725036628..a941f9032e 100644 --- a/linux-user/nios2/cpu_loop.c +++ b/linux-user/nios2/cpu_loop.c @@ -43,7 +43,7 @@ void cpu_loop(CPUNios2State *env) * TODO: This advance should be done in the translator, as * hardware produces an advanced pc as part of all exceptions. */ - env->regs[R_PC] += 4; + env->pc += 4; switch (env->error_code) { case 0: @@ -59,7 +59,7 @@ void cpu_loop(CPUNios2State *env) break; } if (ret == -QEMU_ERESTARTSYS) { - env->regs[R_PC] -= 4; + env->pc -= 4; break; } /* @@ -74,22 +74,21 @@ void cpu_loop(CPUNios2State *env) case 1: qemu_log_mask(CPU_LOG_INT, "\nTrap 1\n"); - force_sig_fault(TARGET_SIGUSR1, 0, env->regs[R_PC]); + force_sig_fault(TARGET_SIGUSR1, 0, env->pc); break; case 2: qemu_log_mask(CPU_LOG_INT, "\nTrap 2\n"); - force_sig_fault(TARGET_SIGUSR2, 0, env->regs[R_PC]); + force_sig_fault(TARGET_SIGUSR2, 0, env->pc); break; case 31: qemu_log_mask(CPU_LOG_INT, "\nTrap 31\n"); /* Match kernel's breakpoint_c(). */ - env->regs[R_PC] -= 4; - force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->regs[R_PC]); + env->pc -= 4; + force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc); break; default: qemu_log_mask(CPU_LOG_INT, "\nTrap %d\n", env->error_code); - force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLTRP, - env->regs[R_PC]); + force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLTRP, env->pc); break; case 16: /* QEMU specific, for __kuser_cmpxchg */ @@ -120,7 +119,7 @@ void cpu_loop(CPUNios2State *env) break; case EXCP_DEBUG: - force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->regs[R_PC]); + force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc); break; default: EXCP_DUMP(env, "\nqemu: unhandled CPU exception %#x - aborting\n", @@ -156,6 +155,6 @@ void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs) env->regs[R_SP] = regs->sp; env->regs[R_GP] = regs->gp; env->regs[CR_ESTATUS] = regs->estatus; - env->regs[R_PC] = regs->ea; + env->pc = regs->ea; /* TODO: unsigned long orig_r7; */ } -- cgit v1.2.3-55-g7522