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| author | Sergey Sorokin <afarallax@yandex.ru> | 2015-09-07 10:39:29 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2015-09-07 10:39:29 +0100 |
| commit | 3a9148d0bdcee990fbe86759b9b1f5723c1d7fbc (patch) | |
| tree | 365a4a6957ae675beb890581a4483cc0f1dfd7fe /target-arm/helper.c | |
| parent | 8f6fd322f6e25995629a1a07b56bc5b91fb947ca (diff) | |
| download | hqemu-3a9148d0bdcee990fbe86759b9b1f5723c1d7fbc.zip hqemu-3a9148d0bdcee990fbe86759b9b1f5723c1d7fbc.tar.gz | |
target-arm: Fix AArch32:AArch64 general-purpose register mapping
There is an error in functions aarch64_sync_32_to_64() and
aarch64_sync_64_to_32() with mapping of registers between AArch32 and
AArch64. This commit fixes the mapping to match the v8 ARM ARM
section D1.20.1 (table D1-77).
Signed-off-by: Sergey Sorokin <afarallax@yandex.ru>
Message-id: 1440796451-15276-1-git-send-email-afarallax@yandex.ru
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: tidied commit message a bit]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm/helper.c')
| -rw-r--r-- | target-arm/helper.c | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 0df4dac..040bc70 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -5324,35 +5324,35 @@ void aarch64_sync_32_to_64(CPUARMState *env) } if (mode == ARM_CPU_MODE_IRQ) { - env->xregs[16] = env->regs[13]; - env->xregs[17] = env->regs[14]; + env->xregs[16] = env->regs[14]; + env->xregs[17] = env->regs[13]; } else { - env->xregs[16] = env->banked_r13[bank_number(ARM_CPU_MODE_IRQ)]; - env->xregs[17] = env->banked_r14[bank_number(ARM_CPU_MODE_IRQ)]; + env->xregs[16] = env->banked_r14[bank_number(ARM_CPU_MODE_IRQ)]; + env->xregs[17] = env->banked_r13[bank_number(ARM_CPU_MODE_IRQ)]; } if (mode == ARM_CPU_MODE_SVC) { - env->xregs[18] = env->regs[13]; - env->xregs[19] = env->regs[14]; + env->xregs[18] = env->regs[14]; + env->xregs[19] = env->regs[13]; } else { - env->xregs[18] = env->banked_r13[bank_number(ARM_CPU_MODE_SVC)]; - env->xregs[19] = env->banked_r14[bank_number(ARM_CPU_MODE_SVC)]; + env->xregs[18] = env->banked_r14[bank_number(ARM_CPU_MODE_SVC)]; + env->xregs[19] = env->banked_r13[bank_number(ARM_CPU_MODE_SVC)]; } if (mode == ARM_CPU_MODE_ABT) { - env->xregs[20] = env->regs[13]; - env->xregs[21] = env->regs[14]; + env->xregs[20] = env->regs[14]; + env->xregs[21] = env->regs[13]; } else { - env->xregs[20] = env->banked_r13[bank_number(ARM_CPU_MODE_ABT)]; - env->xregs[21] = env->banked_r14[bank_number(ARM_CPU_MODE_ABT)]; + env->xregs[20] = env->banked_r14[bank_number(ARM_CPU_MODE_ABT)]; + env->xregs[21] = env->banked_r13[bank_number(ARM_CPU_MODE_ABT)]; } if (mode == ARM_CPU_MODE_UND) { - env->xregs[22] = env->regs[13]; - env->xregs[23] = env->regs[14]; + env->xregs[22] = env->regs[14]; + env->xregs[23] = env->regs[13]; } else { - env->xregs[22] = env->banked_r13[bank_number(ARM_CPU_MODE_UND)]; - env->xregs[23] = env->banked_r14[bank_number(ARM_CPU_MODE_UND)]; + env->xregs[22] = env->banked_r14[bank_number(ARM_CPU_MODE_UND)]; + env->xregs[23] = env->banked_r13[bank_number(ARM_CPU_MODE_UND)]; } /* Registers x24-x30 are mapped to r8-r14 in FIQ mode. If we are in FIQ @@ -5429,35 +5429,35 @@ void aarch64_sync_64_to_32(CPUARMState *env) } if (mode == ARM_CPU_MODE_IRQ) { - env->regs[13] = env->xregs[16]; - env->regs[14] = env->xregs[17]; + env->regs[14] = env->xregs[16]; + env->regs[13] = env->xregs[17]; } else { - env->banked_r13[bank_number(ARM_CPU_MODE_IRQ)] = env->xregs[16]; - env->banked_r14[bank_number(ARM_CPU_MODE_IRQ)] = env->xregs[17]; + env->banked_r14[bank_number(ARM_CPU_MODE_IRQ)] = env->xregs[16]; + env->banked_r13[bank_number(ARM_CPU_MODE_IRQ)] = env->xregs[17]; } if (mode == ARM_CPU_MODE_SVC) { - env->regs[13] = env->xregs[18]; - env->regs[14] = env->xregs[19]; + env->regs[14] = env->xregs[18]; + env->regs[13] = env->xregs[19]; } else { - env->banked_r13[bank_number(ARM_CPU_MODE_SVC)] = env->xregs[18]; - env->banked_r14[bank_number(ARM_CPU_MODE_SVC)] = env->xregs[19]; + env->banked_r14[bank_number(ARM_CPU_MODE_SVC)] = env->xregs[18]; + env->banked_r13[bank_number(ARM_CPU_MODE_SVC)] = env->xregs[19]; } if (mode == ARM_CPU_MODE_ABT) { - env->regs[13] = env->xregs[20]; - env->regs[14] = env->xregs[21]; + env->regs[14] = env->xregs[20]; + env->regs[13] = env->xregs[21]; } else { - env->banked_r13[bank_number(ARM_CPU_MODE_ABT)] = env->xregs[20]; - env->banked_r14[bank_number(ARM_CPU_MODE_ABT)] = env->xregs[21]; + env->banked_r14[bank_number(ARM_CPU_MODE_ABT)] = env->xregs[20]; + env->banked_r13[bank_number(ARM_CPU_MODE_ABT)] = env->xregs[21]; } if (mode == ARM_CPU_MODE_UND) { - env->regs[13] = env->xregs[22]; - env->regs[14] = env->xregs[23]; + env->regs[14] = env->xregs[22]; + env->regs[13] = env->xregs[23]; } else { - env->banked_r13[bank_number(ARM_CPU_MODE_UND)] = env->xregs[22]; - env->banked_r14[bank_number(ARM_CPU_MODE_UND)] = env->xregs[23]; + env->banked_r14[bank_number(ARM_CPU_MODE_UND)] = env->xregs[22]; + env->banked_r13[bank_number(ARM_CPU_MODE_UND)] = env->xregs[23]; } /* Registers x24-x30 are mapped to r8-r14 in FIQ mode. If we are in FIQ |
