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Diffstat (limited to 'include/exec/cpu_ldst.h')
| -rw-r--r-- | include/exec/cpu_ldst.h | 372 |
1 files changed, 0 insertions, 372 deletions
diff --git a/include/exec/cpu_ldst.h b/include/exec/cpu_ldst.h deleted file mode 100644 index 769e9fc..0000000 --- a/include/exec/cpu_ldst.h +++ /dev/null @@ -1,372 +0,0 @@ -/* - * 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 - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see <http://www.gnu.org/licenses/>. - * - */ - -/* - * Generate inline load/store functions for all MMU modes (typically - * at least _user and _kernel) as well as _data versions, for all data - * sizes. - * - * Used by target op helpers. - * - * The syntax for the accessors is: - * - * load: cpu_ld{sign}{size}{end}_{mmusuffix}(env, ptr) - * cpu_ld{sign}{size}{end}_{mmusuffix}_ra(env, ptr, retaddr) - * cpu_ld{sign}{size}{end}_mmuidx_ra(env, ptr, mmu_idx, retaddr) - * cpu_ld{sign}{size}{end}_mmu(env, ptr, oi, retaddr) - * - * store: cpu_st{size}{end}_{mmusuffix}(env, ptr, val) - * cpu_st{size}{end}_{mmusuffix}_ra(env, ptr, val, retaddr) - * cpu_st{size}{end}_mmuidx_ra(env, ptr, val, mmu_idx, retaddr) - * cpu_st{size}{end}_mmu(env, ptr, val, oi, retaddr) - * - * sign is: - * (empty): for 32 and 64 bit sizes - * u : unsigned - * s : signed - * - * size is: - * b: 8 bits - * w: 16 bits - * l: 32 bits - * q: 64 bits - * - * end is: - * (empty): for target native endian, or for 8 bit access - * _be: for forced big endian - * _le: for forced little endian - * - * mmusuffix is one of the generic suffixes "data" or "code", or "mmuidx". - * The "mmuidx" suffix carries an extra mmu_idx argument that specifies - * the index to use; the "data" and "code" suffixes take the index from - * cpu_mmu_index(). - * - * The "mmu" suffix carries the full MemOpIdx, with both mmu_idx and the - * MemOp including alignment requirements. The alignment will be enforced. - */ -#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/vaddr.h" -#include "exec/abi_ptr.h" -#include "exec/mmu-access-type.h" -#include "qemu/int128.h" - -#if defined(CONFIG_USER_ONLY) -#include "user/guest-host.h" -#endif /* CONFIG_USER_ONLY */ - -uint32_t cpu_ldub_data(CPUArchState *env, abi_ptr ptr); -int cpu_ldsb_data(CPUArchState *env, abi_ptr ptr); -uint32_t cpu_lduw_be_data(CPUArchState *env, abi_ptr ptr); -int cpu_ldsw_be_data(CPUArchState *env, abi_ptr ptr); -uint32_t cpu_ldl_be_data(CPUArchState *env, abi_ptr ptr); -uint64_t cpu_ldq_be_data(CPUArchState *env, abi_ptr ptr); -uint32_t cpu_lduw_le_data(CPUArchState *env, abi_ptr ptr); -int cpu_ldsw_le_data(CPUArchState *env, abi_ptr ptr); -uint32_t cpu_ldl_le_data(CPUArchState *env, abi_ptr ptr); -uint64_t cpu_ldq_le_data(CPUArchState *env, abi_ptr ptr); - -uint32_t cpu_ldub_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t ra); -int cpu_ldsb_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t ra); -uint32_t cpu_lduw_be_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t ra); -int cpu_ldsw_be_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t ra); -uint32_t cpu_ldl_be_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t ra); -uint64_t cpu_ldq_be_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t ra); -uint32_t cpu_lduw_le_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t ra); -int cpu_ldsw_le_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t ra); -uint32_t cpu_ldl_le_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t ra); -uint64_t cpu_ldq_le_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t ra); - -void cpu_stb_data(CPUArchState *env, abi_ptr ptr, uint32_t val); -void cpu_stw_be_data(CPUArchState *env, abi_ptr ptr, uint32_t val); -void cpu_stl_be_data(CPUArchState *env, abi_ptr ptr, uint32_t val); -void cpu_stq_be_data(CPUArchState *env, abi_ptr ptr, uint64_t val); -void cpu_stw_le_data(CPUArchState *env, abi_ptr ptr, uint32_t val); -void cpu_stl_le_data(CPUArchState *env, abi_ptr ptr, uint32_t val); -void cpu_stq_le_data(CPUArchState *env, abi_ptr ptr, uint64_t val); - -void cpu_stb_data_ra(CPUArchState *env, abi_ptr ptr, - uint32_t val, uintptr_t ra); -void cpu_stw_be_data_ra(CPUArchState *env, abi_ptr ptr, - uint32_t val, uintptr_t ra); -void cpu_stl_be_data_ra(CPUArchState *env, abi_ptr ptr, - uint32_t val, uintptr_t ra); -void cpu_stq_be_data_ra(CPUArchState *env, abi_ptr ptr, - uint64_t val, uintptr_t ra); -void cpu_stw_le_data_ra(CPUArchState *env, abi_ptr ptr, - uint32_t val, uintptr_t ra); -void cpu_stl_le_data_ra(CPUArchState *env, abi_ptr ptr, - uint32_t val, uintptr_t ra); -void cpu_stq_le_data_ra(CPUArchState *env, abi_ptr ptr, - uint64_t val, uintptr_t ra); - -uint32_t cpu_ldub_mmuidx_ra(CPUArchState *env, abi_ptr ptr, - int mmu_idx, uintptr_t ra); -int cpu_ldsb_mmuidx_ra(CPUArchState *env, abi_ptr ptr, - int mmu_idx, uintptr_t ra); -uint32_t cpu_lduw_be_mmuidx_ra(CPUArchState *env, abi_ptr ptr, - int mmu_idx, uintptr_t ra); -int cpu_ldsw_be_mmuidx_ra(CPUArchState *env, abi_ptr ptr, - int mmu_idx, uintptr_t ra); -uint32_t cpu_ldl_be_mmuidx_ra(CPUArchState *env, abi_ptr ptr, - int mmu_idx, uintptr_t ra); -uint64_t cpu_ldq_be_mmuidx_ra(CPUArchState *env, abi_ptr ptr, - int mmu_idx, uintptr_t ra); -uint32_t cpu_lduw_le_mmuidx_ra(CPUArchState *env, abi_ptr ptr, - int mmu_idx, uintptr_t ra); -int cpu_ldsw_le_mmuidx_ra(CPUArchState *env, abi_ptr ptr, - int mmu_idx, uintptr_t ra); -uint32_t cpu_ldl_le_mmuidx_ra(CPUArchState *env, abi_ptr ptr, - int mmu_idx, uintptr_t ra); -uint64_t cpu_ldq_le_mmuidx_ra(CPUArchState *env, abi_ptr ptr, - int mmu_idx, uintptr_t ra); - -void cpu_stb_mmuidx_ra(CPUArchState *env, abi_ptr ptr, uint32_t val, - int mmu_idx, uintptr_t ra); -void cpu_stw_be_mmuidx_ra(CPUArchState *env, abi_ptr ptr, uint32_t val, - int mmu_idx, uintptr_t ra); -void cpu_stl_be_mmuidx_ra(CPUArchState *env, abi_ptr ptr, uint32_t val, - int mmu_idx, uintptr_t ra); -void cpu_stq_be_mmuidx_ra(CPUArchState *env, abi_ptr ptr, uint64_t val, - int mmu_idx, uintptr_t ra); -void cpu_stw_le_mmuidx_ra(CPUArchState *env, abi_ptr ptr, uint32_t val, - int mmu_idx, uintptr_t ra); -void cpu_stl_le_mmuidx_ra(CPUArchState *env, abi_ptr ptr, uint32_t val, - int mmu_idx, uintptr_t ra); -void cpu_stq_le_mmuidx_ra(CPUArchState *env, abi_ptr ptr, uint64_t val, - int mmu_idx, uintptr_t ra); - -uint8_t cpu_ldb_mmu(CPUArchState *env, abi_ptr ptr, MemOpIdx oi, uintptr_t ra); -uint16_t cpu_ldw_mmu(CPUArchState *env, abi_ptr ptr, MemOpIdx oi, uintptr_t ra); -uint32_t cpu_ldl_mmu(CPUArchState *env, abi_ptr ptr, MemOpIdx oi, uintptr_t ra); -uint64_t cpu_ldq_mmu(CPUArchState *env, abi_ptr ptr, MemOpIdx oi, uintptr_t ra); -Int128 cpu_ld16_mmu(CPUArchState *env, abi_ptr addr, MemOpIdx oi, uintptr_t ra); - -void cpu_stb_mmu(CPUArchState *env, abi_ptr ptr, uint8_t val, - MemOpIdx oi, uintptr_t ra); -void cpu_stw_mmu(CPUArchState *env, abi_ptr ptr, uint16_t val, - MemOpIdx oi, uintptr_t ra); -void cpu_stl_mmu(CPUArchState *env, abi_ptr ptr, uint32_t val, - MemOpIdx oi, uintptr_t ra); -void cpu_stq_mmu(CPUArchState *env, abi_ptr ptr, uint64_t val, - MemOpIdx oi, uintptr_t ra); -void cpu_st16_mmu(CPUArchState *env, abi_ptr addr, Int128 val, - MemOpIdx oi, uintptr_t ra); - -uint32_t cpu_atomic_cmpxchgb_mmu(CPUArchState *env, abi_ptr addr, - uint32_t cmpv, uint32_t newv, - MemOpIdx oi, uintptr_t retaddr); -uint32_t cpu_atomic_cmpxchgw_le_mmu(CPUArchState *env, abi_ptr addr, - uint32_t cmpv, uint32_t newv, - MemOpIdx oi, uintptr_t retaddr); -uint32_t cpu_atomic_cmpxchgl_le_mmu(CPUArchState *env, abi_ptr addr, - uint32_t cmpv, uint32_t newv, - MemOpIdx oi, uintptr_t retaddr); -uint64_t cpu_atomic_cmpxchgq_le_mmu(CPUArchState *env, abi_ptr addr, - uint64_t cmpv, uint64_t newv, - MemOpIdx oi, uintptr_t retaddr); -uint32_t cpu_atomic_cmpxchgw_be_mmu(CPUArchState *env, abi_ptr addr, - uint32_t cmpv, uint32_t newv, - MemOpIdx oi, uintptr_t retaddr); -uint32_t cpu_atomic_cmpxchgl_be_mmu(CPUArchState *env, abi_ptr addr, - uint32_t cmpv, uint32_t newv, - MemOpIdx oi, uintptr_t retaddr); -uint64_t cpu_atomic_cmpxchgq_be_mmu(CPUArchState *env, abi_ptr addr, - uint64_t cmpv, uint64_t newv, - MemOpIdx oi, uintptr_t retaddr); - -#define GEN_ATOMIC_HELPER(NAME, TYPE, SUFFIX) \ -TYPE cpu_atomic_ ## NAME ## SUFFIX ## _mmu \ - (CPUArchState *env, abi_ptr addr, TYPE val, \ - MemOpIdx oi, uintptr_t retaddr); - -#ifdef CONFIG_ATOMIC64 -#define GEN_ATOMIC_HELPER_ALL(NAME) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, b) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, w_le) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, w_be) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, l_le) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, l_be) \ - GEN_ATOMIC_HELPER(NAME, uint64_t, q_le) \ - GEN_ATOMIC_HELPER(NAME, uint64_t, q_be) -#else -#define GEN_ATOMIC_HELPER_ALL(NAME) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, b) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, w_le) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, w_be) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, l_le) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, l_be) -#endif - -GEN_ATOMIC_HELPER_ALL(fetch_add) -GEN_ATOMIC_HELPER_ALL(fetch_sub) -GEN_ATOMIC_HELPER_ALL(fetch_and) -GEN_ATOMIC_HELPER_ALL(fetch_or) -GEN_ATOMIC_HELPER_ALL(fetch_xor) -GEN_ATOMIC_HELPER_ALL(fetch_smin) -GEN_ATOMIC_HELPER_ALL(fetch_umin) -GEN_ATOMIC_HELPER_ALL(fetch_smax) -GEN_ATOMIC_HELPER_ALL(fetch_umax) - -GEN_ATOMIC_HELPER_ALL(add_fetch) -GEN_ATOMIC_HELPER_ALL(sub_fetch) -GEN_ATOMIC_HELPER_ALL(and_fetch) -GEN_ATOMIC_HELPER_ALL(or_fetch) -GEN_ATOMIC_HELPER_ALL(xor_fetch) -GEN_ATOMIC_HELPER_ALL(smin_fetch) -GEN_ATOMIC_HELPER_ALL(umin_fetch) -GEN_ATOMIC_HELPER_ALL(smax_fetch) -GEN_ATOMIC_HELPER_ALL(umax_fetch) - -GEN_ATOMIC_HELPER_ALL(xchg) - -#undef GEN_ATOMIC_HELPER_ALL -#undef GEN_ATOMIC_HELPER - -Int128 cpu_atomic_cmpxchgo_le_mmu(CPUArchState *env, abi_ptr addr, - Int128 cmpv, Int128 newv, - MemOpIdx oi, uintptr_t retaddr); -Int128 cpu_atomic_cmpxchgo_be_mmu(CPUArchState *env, abi_ptr addr, - Int128 cmpv, Int128 newv, - MemOpIdx oi, uintptr_t retaddr); - -#if TARGET_BIG_ENDIAN -# define cpu_lduw_data cpu_lduw_be_data -# define cpu_ldsw_data cpu_ldsw_be_data -# define cpu_ldl_data cpu_ldl_be_data -# define cpu_ldq_data cpu_ldq_be_data -# define cpu_lduw_data_ra cpu_lduw_be_data_ra -# define cpu_ldsw_data_ra cpu_ldsw_be_data_ra -# define cpu_ldl_data_ra cpu_ldl_be_data_ra -# define cpu_ldq_data_ra cpu_ldq_be_data_ra -# define cpu_lduw_mmuidx_ra cpu_lduw_be_mmuidx_ra -# define cpu_ldsw_mmuidx_ra cpu_ldsw_be_mmuidx_ra -# define cpu_ldl_mmuidx_ra cpu_ldl_be_mmuidx_ra -# define cpu_ldq_mmuidx_ra cpu_ldq_be_mmuidx_ra -# define cpu_stw_data cpu_stw_be_data -# define cpu_stl_data cpu_stl_be_data -# define cpu_stq_data cpu_stq_be_data -# define cpu_stw_data_ra cpu_stw_be_data_ra -# define cpu_stl_data_ra cpu_stl_be_data_ra -# define cpu_stq_data_ra cpu_stq_be_data_ra -# define cpu_stw_mmuidx_ra cpu_stw_be_mmuidx_ra -# define cpu_stl_mmuidx_ra cpu_stl_be_mmuidx_ra -# define cpu_stq_mmuidx_ra cpu_stq_be_mmuidx_ra -#else -# define cpu_lduw_data cpu_lduw_le_data -# define cpu_ldsw_data cpu_ldsw_le_data -# define cpu_ldl_data cpu_ldl_le_data -# define cpu_ldq_data cpu_ldq_le_data -# define cpu_lduw_data_ra cpu_lduw_le_data_ra -# define cpu_ldsw_data_ra cpu_ldsw_le_data_ra -# define cpu_ldl_data_ra cpu_ldl_le_data_ra -# define cpu_ldq_data_ra cpu_ldq_le_data_ra -# define cpu_lduw_mmuidx_ra cpu_lduw_le_mmuidx_ra -# define cpu_ldsw_mmuidx_ra cpu_ldsw_le_mmuidx_ra -# define cpu_ldl_mmuidx_ra cpu_ldl_le_mmuidx_ra -# define cpu_ldq_mmuidx_ra cpu_ldq_le_mmuidx_ra -# define cpu_stw_data cpu_stw_le_data -# define cpu_stl_data cpu_stl_le_data -# define cpu_stq_data cpu_stq_le_data -# define cpu_stw_data_ra cpu_stw_le_data_ra -# define cpu_stl_data_ra cpu_stl_le_data_ra -# define cpu_stq_data_ra cpu_stq_le_data_ra -# define cpu_stw_mmuidx_ra cpu_stw_le_mmuidx_ra -# define cpu_stl_mmuidx_ra cpu_stl_le_mmuidx_ra -# define cpu_stq_mmuidx_ra cpu_stq_le_mmuidx_ra -#endif - -uint8_t cpu_ldb_code_mmu(CPUArchState *env, abi_ptr addr, - MemOpIdx oi, uintptr_t ra); -uint16_t cpu_ldw_code_mmu(CPUArchState *env, abi_ptr addr, - MemOpIdx oi, uintptr_t ra); -uint32_t cpu_ldl_code_mmu(CPUArchState *env, abi_ptr addr, - MemOpIdx oi, uintptr_t ra); -uint64_t cpu_ldq_code_mmu(CPUArchState *env, abi_ptr addr, - MemOpIdx oi, uintptr_t ra); - -uint32_t cpu_ldub_code(CPUArchState *env, abi_ptr addr); -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); - -/** - * tlb_vaddr_to_host: - * @env: CPUArchState - * @addr: guest virtual address to look up - * @access_type: 0 for read, 1 for write, 2 for execute - * @mmu_idx: MMU index to use for lookup - * - * Look up the specified guest virtual index in the TCG softmmu TLB. - * If we can translate a host virtual address suitable for direct RAM - * access, without causing a guest exception, then return it. - * Otherwise (TLB entry is for an I/O access, guest software - * TLB fill required, etc) return NULL. - */ -#ifdef CONFIG_USER_ONLY -static inline void *tlb_vaddr_to_host(CPUArchState *env, abi_ptr addr, - MMUAccessType access_type, int mmu_idx) -{ - return g2h(env_cpu(env), addr); -} -#else -void *tlb_vaddr_to_host(CPUArchState *env, vaddr addr, - MMUAccessType access_type, int mmu_idx); -#endif - -/* - * For user-only, helpers that use guest to host address translation - * must protect the actual host memory access by recording 'retaddr' - * for the signal handler. This is required for a race condition in - * which another thread unmaps the page between a probe and the - * actual access. - */ -#ifdef 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 -#define set_helper_retaddr(ra) do { } while (0) -#define clear_helper_retaddr() do { } while (0) -#endif - -#endif /* CPU_LDST_H */ |