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| author | Richard Henderson <richard.henderson@linaro.org> | 2017-11-05 10:50:47 +0100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-01-30 10:22:26 -0800 |
| commit | 2dfcca9ffc0131f0d740dea27ebff04be01f871b (patch) | |
| tree | dfc6338124c4b82740202f8aaf010ab1c60efd15 /target/hppa/mem_helper.c | |
| parent | d0a851cc508b355a4d63e905e4f69a466f0d7f89 (diff) | |
| download | focaccia-qemu-2dfcca9ffc0131f0d740dea27ebff04be01f871b.tar.gz focaccia-qemu-2dfcca9ffc0131f0d740dea27ebff04be01f871b.zip | |
target/hppa: Implement LPA
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/hppa/mem_helper.c')
| -rw-r--r-- | target/hppa/mem_helper.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c index 995b1937f6..ecd964d779 100644 --- a/target/hppa/mem_helper.c +++ b/target/hppa/mem_helper.c @@ -314,4 +314,25 @@ void HELPER(ptlbe)(CPUHPPAState *env) memset(env->tlb, 0, sizeof(env->tlb)); tlb_flush_by_mmuidx(src, 0xf); } + +target_ureg HELPER(lpa)(CPUHPPAState *env, target_ulong addr) +{ + hwaddr phys; + int prot, excp; + + excp = hppa_get_physical_address(env, addr, MMU_KERNEL_IDX, 0, + &phys, &prot); + if (excp >= 0) { + if (env->psw & PSW_Q) { + /* ??? Needs tweaking for hppa64. */ + env->cr[CR_IOR] = addr; + env->cr[CR_ISR] = addr >> 32; + } + if (excp == EXCP_DTLB_MISS) { + excp = EXCP_NA_DTLB_MISS; + } + hppa_dynamic_excp(env, excp, GETPC()); + } + return phys; +} #endif /* CONFIG_USER_ONLY */ |