diff options
Diffstat (limited to 'include/exec/cpu_ldst.h')
| -rw-r--r-- | include/exec/cpu_ldst.h | 115 |
1 files changed, 11 insertions, 104 deletions
diff --git a/include/exec/cpu_ldst.h b/include/exec/cpu_ldst.h index eb8f3f0595..71009f84f5 100644 --- a/include/exec/cpu_ldst.h +++ b/include/exec/cpu_ldst.h @@ -1,5 +1,5 @@ /* - * Software MMU support + * Software MMU support (per-target) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -62,21 +62,18 @@ #ifndef CPU_LDST_H #define CPU_LDST_H +#ifndef CONFIG_TCG +#error Can only include this header with TCG +#endif + #include "exec/memopidx.h" +#include "exec/abi_ptr.h" +#include "exec/mmu-access-type.h" #include "qemu/int128.h" -#include "cpu.h" #if defined(CONFIG_USER_ONLY) -/* sparc32plus has 64bit long but 32bit space address - * this can make bad result with g2h() and h2g() - */ -#if TARGET_VIRT_ADDR_SPACE_BITS <= 32 -typedef uint32_t abi_ptr; -#define TARGET_ABI_FMT_ptr "%x" -#else -typedef uint64_t abi_ptr; -#define TARGET_ABI_FMT_ptr "%"PRIx64 -#endif + +#include "user/guest-base.h" #ifndef TARGET_TAGGED_ADDRESSES static inline abi_ptr cpu_untagged_addr(CPUState *cs, abi_ptr x) @@ -120,10 +117,8 @@ static inline bool guest_range_valid_untagged(abi_ulong start, abi_ulong len) assert(h2g_valid(x)); \ h2g_nocheck(x); \ }) -#else -typedef vaddr abi_ptr; -#define TARGET_ABI_FMT_ptr VADDR_PRIx -#endif + +#endif /* CONFIG_USER_ONLY */ uint32_t cpu_ldub_data(CPUArchState *env, abi_ptr ptr); int cpu_ldsb_data(CPUArchState *env, abi_ptr ptr); @@ -300,84 +295,6 @@ Int128 cpu_atomic_cmpxchgo_be_mmu(CPUArchState *env, abi_ptr addr, Int128 cmpv, Int128 newv, MemOpIdx oi, uintptr_t retaddr); -#if defined(CONFIG_USER_ONLY) - -extern __thread uintptr_t helper_retaddr; - -static inline void set_helper_retaddr(uintptr_t ra) -{ - helper_retaddr = ra; - /* - * Ensure that this write is visible to the SIGSEGV handler that - * may be invoked due to a subsequent invalid memory operation. - */ - signal_barrier(); -} - -static inline void clear_helper_retaddr(void) -{ - /* - * Ensure that previous memory operations have succeeded before - * removing the data visible to the signal handler. - */ - signal_barrier(); - helper_retaddr = 0; -} - -#else - -#include "tcg/oversized-guest.h" - -static inline uint64_t tlb_read_idx(const CPUTLBEntry *entry, - MMUAccessType access_type) -{ - /* Do not rearrange the CPUTLBEntry structure members. */ - QEMU_BUILD_BUG_ON(offsetof(CPUTLBEntry, addr_read) != - MMU_DATA_LOAD * sizeof(uint64_t)); - QEMU_BUILD_BUG_ON(offsetof(CPUTLBEntry, addr_write) != - MMU_DATA_STORE * sizeof(uint64_t)); - QEMU_BUILD_BUG_ON(offsetof(CPUTLBEntry, addr_code) != - MMU_INST_FETCH * sizeof(uint64_t)); - -#if TARGET_LONG_BITS == 32 - /* Use qatomic_read, in case of addr_write; only care about low bits. */ - const uint32_t *ptr = (uint32_t *)&entry->addr_idx[access_type]; - ptr += HOST_BIG_ENDIAN; - return qatomic_read(ptr); -#else - const uint64_t *ptr = &entry->addr_idx[access_type]; -# if TCG_OVERSIZED_GUEST - return *ptr; -# else - /* ofs might correspond to .addr_write, so use qatomic_read */ - return qatomic_read(ptr); -# endif -#endif -} - -static inline uint64_t tlb_addr_write(const CPUTLBEntry *entry) -{ - return tlb_read_idx(entry, MMU_DATA_STORE); -} - -/* Find the TLB index corresponding to the mmu_idx + address pair. */ -static inline uintptr_t tlb_index(CPUState *cpu, uintptr_t mmu_idx, - vaddr addr) -{ - uintptr_t size_mask = cpu->neg.tlb.f[mmu_idx].mask >> CPU_TLB_ENTRY_BITS; - - return (addr >> TARGET_PAGE_BITS) & size_mask; -} - -/* Find the TLB entry corresponding to the mmu_idx + address pair. */ -static inline CPUTLBEntry *tlb_entry(CPUState *cpu, uintptr_t mmu_idx, - vaddr addr) -{ - return &cpu->neg.tlb.f[mmu_idx].table[tlb_index(cpu, mmu_idx, addr)]; -} - -#endif /* defined(CONFIG_USER_ONLY) */ - #if TARGET_BIG_ENDIAN # define cpu_lduw_data cpu_lduw_be_data # define cpu_ldsw_data cpu_ldsw_be_data @@ -438,16 +355,6 @@ uint32_t cpu_lduw_code(CPUArchState *env, abi_ptr addr); uint32_t cpu_ldl_code(CPUArchState *env, abi_ptr addr); uint64_t cpu_ldq_code(CPUArchState *env, abi_ptr addr); -static inline int cpu_ldsb_code(CPUArchState *env, abi_ptr addr) -{ - return (int8_t)cpu_ldub_code(env, addr); -} - -static inline int cpu_ldsw_code(CPUArchState *env, abi_ptr addr) -{ - return (int16_t)cpu_lduw_code(env, addr); -} - /** * tlb_vaddr_to_host: * @env: CPUArchState |