diff options
| author | Yongbok Kim <yongbok.kim@mips.com> | 2018-10-09 18:54:46 +0200 |
|---|---|---|
| committer | Aleksandar Markovic <amarkovic@wavecomp.com> | 2018-10-18 20:37:20 +0200 |
| commit | 074cfcb4daedf59ccbbbc83c24eee80e0e8f4c71 (patch) | |
| tree | fb397b5262b9548fff230dc5b37b24b1bc84cfc3 /target/mips/op_helper.c | |
| parent | 630107955757b9dfc5c09f105caa267eded2e3b1 (diff) | |
| download | qemu-074cfcb4daedf59ccbbbc83c24eee80e0e8f4c71.zip | |
target/mips: Implement hardware page table walker for MIPS32
Implement hardware page table walker. This implementation is
limiter only to MIPS32.
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Yongbok Kim <yongbok.kim@mips.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Diffstat (limited to 'target/mips/op_helper.c')
| -rw-r--r-- | target/mips/op_helper.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c index ada22e6a07..d1f1d1aa35 100644 --- a/target/mips/op_helper.c +++ b/target/mips/op_helper.c @@ -1400,7 +1400,7 @@ void helper_mtc0_context(CPUMIPSState *env, target_ulong arg1) env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (arg1 & ~0x007FFFFF); } -void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1) +void update_pagemask(CPUMIPSState *env, target_ulong arg1, int32_t *pagemask) { uint64_t mask = arg1 >> (TARGET_PAGE_BITS + 1); if (!(env->insn_flags & ISA_MIPS32R6) || (arg1 == ~0) || @@ -1411,6 +1411,11 @@ void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1) } } +void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1) +{ + update_pagemask(env, arg1, &env->CP0_PageMask); +} + void helper_mtc0_pagegrain(CPUMIPSState *env, target_ulong arg1) { /* SmartMIPS not implemented */ |