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| author |   Aurelien Jarno <aurelien@aurel32.net> | 2009-11-30 01:39:22 +0100 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2009-11-30 16:10:04 +0100 |
| commit | 25b91e32e0c93cb60cf9be43a52881de00c91be6 (patch) | |
| tree | 688b9c16ae10aee944f72034d6de7c05128501d1 | |
| parent | target-mips: split code raising MMU exception in a separate function (diff) | |
| download | qemu-kvm-25b91e32e0c93cb60cf9be43a52881de00c91be6.tar.gz qemu-kvm-25b91e32e0c93cb60cf9be43a52881de00c91be6.tar.bz2 qemu-kvm-25b91e32e0c93cb60cf9be43a52881de00c91be6.zip | |
target-mips: add a function to do virtual -> physical translations
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
| -rw-r--r-- | target-mips/cpu.h | 2 | ||||
| -rw-r--r-- | target-mips/helper.c | 23 |
2 files changed, 25 insertions, 0 deletions
diff --git a/target-mips/cpu.h b/target-mips/cpu.h index 82f9a3816..97e106f47 100644 --- a/target-mips/cpu.h +++ b/target-mips/cpu.h @@ -590,6 +590,8 @@ int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw, #define cpu_handle_mmu_fault cpu_mips_handle_mmu_fault void do_interrupt (CPUState *env); void r4k_invalidate_tlb (CPUState *env, int idx, int use_extra); +target_phys_addr_t do_translate_address (CPUState *env, target_ulong address, + int rw); static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb) { diff --git a/target-mips/helper.c b/target-mips/helper.c index 0b5ec3e56..1e7e01608 100644 --- a/target-mips/helper.c +++ b/target-mips/helper.c @@ -310,6 +310,29 @@ int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw, return ret; } +#if !defined(CONFIG_USER_ONLY) +target_phys_addr_t do_translate_address(CPUState *env, target_ulong address, int rw) +{ + target_phys_addr_t physical; + int prot; + int access_type; + int ret = 0; + + rw &= 1; + + /* data access */ + access_type = ACCESS_INT; + ret = get_physical_address(env, &physical, &prot, + address, rw, access_type); + if (ret != TLBRET_MATCH) { + raise_mmu_exception(env, address, rw, ret); + cpu_loop_exit(); + } + + return physical; +} +#endif + static const char * const excp_names[EXCP_LAST + 1] = { [EXCP_RESET] = "reset", [EXCP_SRESET] = "soft reset", |