diff options
Diffstat (limited to 'target-arm/op_helper.c')
| -rw-r--r-- | target-arm/op_helper.c | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c index b53369d7cb..490111c22f 100644 --- a/target-arm/op_helper.c +++ b/target-arm/op_helper.c @@ -23,13 +23,11 @@ #define SIGNBIT (uint32_t)0x80000000 #define SIGNBIT64 ((uint64_t)1 << 63) -#if !defined(CONFIG_USER_ONLY) static void raise_exception(int tt) { env->exception_index = tt; cpu_loop_exit(env); } -#endif uint32_t HELPER(neon_tbl)(uint32_t ireg, uint32_t def, uint32_t rn, uint32_t maxindex) @@ -287,6 +285,46 @@ void HELPER(set_user_reg)(uint32_t regno, uint32_t val) } } +void HELPER(set_cp_reg)(CPUARMState *env, void *rip, uint32_t value) +{ + const ARMCPRegInfo *ri = rip; + int excp = ri->writefn(env, ri, value); + if (excp) { + raise_exception(excp); + } +} + +uint32_t HELPER(get_cp_reg)(CPUARMState *env, void *rip) +{ + const ARMCPRegInfo *ri = rip; + uint64_t value; + int excp = ri->readfn(env, ri, &value); + if (excp) { + raise_exception(excp); + } + return value; +} + +void HELPER(set_cp_reg64)(CPUARMState *env, void *rip, uint64_t value) +{ + const ARMCPRegInfo *ri = rip; + int excp = ri->writefn(env, ri, value); + if (excp) { + raise_exception(excp); + } +} + +uint64_t HELPER(get_cp_reg64)(CPUARMState *env, void *rip) +{ + const ARMCPRegInfo *ri = rip; + uint64_t value; + int excp = ri->readfn(env, ri, &value); + if (excp) { + raise_exception(excp); + } + return value; +} + /* ??? Flag setting arithmetic is awkward because we need to do comparisons. The only way to do that in TCG is a conditional branch, which clobbers all our temporaries. For now implement these as helper functions. */ |