Signed-off-by: Alex Bennée <alex.ben...@linaro.org> --- accel/tcg/softmmu_template.h | 454 ----------------------------------- 1 file changed, 454 deletions(-) delete mode 100644 accel/tcg/softmmu_template.h
diff --git a/accel/tcg/softmmu_template.h b/accel/tcg/softmmu_template.h deleted file mode 100644 index e970a8b378..0000000000 --- a/accel/tcg/softmmu_template.h +++ /dev/null @@ -1,454 +0,0 @@ -/* - * Software MMU support - * - * Generate helpers used by TCG for qemu_ld/st ops and code load - * functions. - * - * Included from target op helpers and exec.c. - * - * Copyright (c) 2003 Fabrice Bellard - * - * 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/>. - */ -#if DATA_SIZE == 8 -#define SUFFIX q -#define LSUFFIX q -#define SDATA_TYPE int64_t -#define DATA_TYPE uint64_t -#elif DATA_SIZE == 4 -#define SUFFIX l -#define LSUFFIX l -#define SDATA_TYPE int32_t -#define DATA_TYPE uint32_t -#elif DATA_SIZE == 2 -#define SUFFIX w -#define LSUFFIX uw -#define SDATA_TYPE int16_t -#define DATA_TYPE uint16_t -#elif DATA_SIZE == 1 -#define SUFFIX b -#define LSUFFIX ub -#define SDATA_TYPE int8_t -#define DATA_TYPE uint8_t -#else -#error unsupported data size -#endif - - -/* For the benefit of TCG generated code, we want to avoid the complication - of ABI-specific return type promotion and always return a value extended - to the register size of the host. This is tcg_target_long, except in the - case of a 32-bit host and 64-bit data, and for that we always have - uint64_t. Don't bother with this widened value for SOFTMMU_CODE_ACCESS. */ -#if defined(SOFTMMU_CODE_ACCESS) || DATA_SIZE == 8 -# define WORD_TYPE DATA_TYPE -# define USUFFIX SUFFIX -#else -# define WORD_TYPE tcg_target_ulong -# define USUFFIX glue(u, SUFFIX) -# define SSUFFIX glue(s, SUFFIX) -#endif - -#ifdef SOFTMMU_CODE_ACCESS -#define READ_ACCESS_TYPE MMU_INST_FETCH -#define ADDR_READ addr_code -#else -#define READ_ACCESS_TYPE MMU_DATA_LOAD -#define ADDR_READ addr_read -#endif - -#if DATA_SIZE == 8 -# define BSWAP(X) bswap64(X) -#elif DATA_SIZE == 4 -# define BSWAP(X) bswap32(X) -#elif DATA_SIZE == 2 -# define BSWAP(X) bswap16(X) -#else -# define BSWAP(X) (X) -#endif - -#if DATA_SIZE == 1 -# define helper_le_ld_name glue(glue(helper_ret_ld, USUFFIX), MMUSUFFIX) -# define helper_be_ld_name helper_le_ld_name -# define helper_le_lds_name glue(glue(helper_ret_ld, SSUFFIX), MMUSUFFIX) -# define helper_be_lds_name helper_le_lds_name -# define helper_le_st_name glue(glue(helper_ret_st, SUFFIX), MMUSUFFIX) -# define helper_be_st_name helper_le_st_name -#else -# define helper_le_ld_name glue(glue(helper_le_ld, USUFFIX), MMUSUFFIX) -# define helper_be_ld_name glue(glue(helper_be_ld, USUFFIX), MMUSUFFIX) -# define helper_le_lds_name glue(glue(helper_le_ld, SSUFFIX), MMUSUFFIX) -# define helper_be_lds_name glue(glue(helper_be_ld, SSUFFIX), MMUSUFFIX) -# define helper_le_st_name glue(glue(helper_le_st, SUFFIX), MMUSUFFIX) -# define helper_be_st_name glue(glue(helper_be_st, SUFFIX), MMUSUFFIX) -#endif - -#ifndef SOFTMMU_CODE_ACCESS -static inline DATA_TYPE glue(io_read, SUFFIX)(CPUArchState *env, - size_t mmu_idx, size_t index, - target_ulong addr, - uintptr_t retaddr, - bool recheck, - MMUAccessType access_type) -{ - CPUIOTLBEntry *iotlbentry = &env->iotlb[mmu_idx][index]; - return io_readx(env, iotlbentry, mmu_idx, addr, retaddr, recheck, - access_type, DATA_SIZE); -} -#endif - -WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr) -{ - uintptr_t mmu_idx = get_mmuidx(oi); - uintptr_t index = tlb_index(env, mmu_idx, addr); - CPUTLBEntry *entry = tlb_entry(env, mmu_idx, addr); - target_ulong tlb_addr = entry->ADDR_READ; - unsigned a_bits = get_alignment_bits(get_memop(oi)); - uintptr_t haddr; - DATA_TYPE res; - - if (addr & ((1 << a_bits) - 1)) { - cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, - mmu_idx, retaddr); - } - - /* If the TLB entry is for a different page, reload and try again. */ - if (!tlb_hit(tlb_addr, addr)) { - if (!VICTIM_TLB_HIT(ADDR_READ, addr)) { - tlb_fill(ENV_GET_CPU(env), addr, DATA_SIZE, READ_ACCESS_TYPE, - mmu_idx, retaddr); - index = tlb_index(env, mmu_idx, addr); - entry = tlb_entry(env, mmu_idx, addr); - } - tlb_addr = entry->ADDR_READ; - } - - /* Handle an IO access. */ - if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) { - if ((addr & (DATA_SIZE - 1)) != 0) { - goto do_unaligned_access; - } - - /* ??? Note that the io helpers always read data in the target - byte ordering. We should push the LE/BE request down into io. */ - res = glue(io_read, SUFFIX)(env, mmu_idx, index, addr, retaddr, - tlb_addr & TLB_RECHECK, - READ_ACCESS_TYPE); - res = TGT_LE(res); - return res; - } - - /* Handle slow unaligned access (it spans two pages or IO). */ - if (DATA_SIZE > 1 - && unlikely((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1 - >= TARGET_PAGE_SIZE)) { - target_ulong addr1, addr2; - DATA_TYPE res1, res2; - unsigned shift; - do_unaligned_access: - addr1 = addr & ~(DATA_SIZE - 1); - addr2 = addr1 + DATA_SIZE; - res1 = helper_le_ld_name(env, addr1, oi, retaddr); - res2 = helper_le_ld_name(env, addr2, oi, retaddr); - shift = (addr & (DATA_SIZE - 1)) * 8; - - /* Little-endian combine. */ - res = (res1 >> shift) | (res2 << ((DATA_SIZE * 8) - shift)); - return res; - } - - haddr = addr + entry->addend; -#if DATA_SIZE == 1 - res = glue(glue(ld, LSUFFIX), _p)((uint8_t *)haddr); -#else - res = glue(glue(ld, LSUFFIX), _le_p)((uint8_t *)haddr); -#endif - return res; -} - -#if DATA_SIZE > 1 -WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr) -{ - uintptr_t mmu_idx = get_mmuidx(oi); - uintptr_t index = tlb_index(env, mmu_idx, addr); - CPUTLBEntry *entry = tlb_entry(env, mmu_idx, addr); - target_ulong tlb_addr = entry->ADDR_READ; - unsigned a_bits = get_alignment_bits(get_memop(oi)); - uintptr_t haddr; - DATA_TYPE res; - - if (addr & ((1 << a_bits) - 1)) { - cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, - mmu_idx, retaddr); - } - - /* If the TLB entry is for a different page, reload and try again. */ - if (!tlb_hit(tlb_addr, addr)) { - if (!VICTIM_TLB_HIT(ADDR_READ, addr)) { - tlb_fill(ENV_GET_CPU(env), addr, DATA_SIZE, READ_ACCESS_TYPE, - mmu_idx, retaddr); - index = tlb_index(env, mmu_idx, addr); - entry = tlb_entry(env, mmu_idx, addr); - } - tlb_addr = entry->ADDR_READ; - } - - /* Handle an IO access. */ - if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) { - if ((addr & (DATA_SIZE - 1)) != 0) { - goto do_unaligned_access; - } - - /* ??? Note that the io helpers always read data in the target - byte ordering. We should push the LE/BE request down into io. */ - res = glue(io_read, SUFFIX)(env, mmu_idx, index, addr, retaddr, - tlb_addr & TLB_RECHECK, - READ_ACCESS_TYPE); - res = TGT_BE(res); - return res; - } - - /* Handle slow unaligned access (it spans two pages or IO). */ - if (DATA_SIZE > 1 - && unlikely((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1 - >= TARGET_PAGE_SIZE)) { - target_ulong addr1, addr2; - DATA_TYPE res1, res2; - unsigned shift; - do_unaligned_access: - addr1 = addr & ~(DATA_SIZE - 1); - addr2 = addr1 + DATA_SIZE; - res1 = helper_be_ld_name(env, addr1, oi, retaddr); - res2 = helper_be_ld_name(env, addr2, oi, retaddr); - shift = (addr & (DATA_SIZE - 1)) * 8; - - /* Big-endian combine. */ - res = (res1 << shift) | (res2 >> ((DATA_SIZE * 8) - shift)); - return res; - } - - haddr = addr + entry->addend; - res = glue(glue(ld, LSUFFIX), _be_p)((uint8_t *)haddr); - return res; -} -#endif /* DATA_SIZE > 1 */ - -#ifndef SOFTMMU_CODE_ACCESS - -/* Provide signed versions of the load routines as well. We can of course - avoid this for 64-bit data, or for 32-bit data on 32-bit host. */ -#if DATA_SIZE * 8 < TCG_TARGET_REG_BITS -WORD_TYPE helper_le_lds_name(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr) -{ - return (SDATA_TYPE)helper_le_ld_name(env, addr, oi, retaddr); -} - -# if DATA_SIZE > 1 -WORD_TYPE helper_be_lds_name(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr) -{ - return (SDATA_TYPE)helper_be_ld_name(env, addr, oi, retaddr); -} -# endif -#endif - -static inline void glue(io_write, SUFFIX)(CPUArchState *env, - size_t mmu_idx, size_t index, - DATA_TYPE val, - target_ulong addr, - uintptr_t retaddr, - bool recheck) -{ - CPUIOTLBEntry *iotlbentry = &env->iotlb[mmu_idx][index]; - return io_writex(env, iotlbentry, mmu_idx, val, addr, retaddr, - recheck, DATA_SIZE); -} - -void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val, - TCGMemOpIdx oi, uintptr_t retaddr) -{ - uintptr_t mmu_idx = get_mmuidx(oi); - uintptr_t index = tlb_index(env, mmu_idx, addr); - CPUTLBEntry *entry = tlb_entry(env, mmu_idx, addr); - target_ulong tlb_addr = tlb_addr_write(entry); - unsigned a_bits = get_alignment_bits(get_memop(oi)); - uintptr_t haddr; - - if (addr & ((1 << a_bits) - 1)) { - cpu_unaligned_access(ENV_GET_CPU(env), addr, MMU_DATA_STORE, - mmu_idx, retaddr); - } - - /* If the TLB entry is for a different page, reload and try again. */ - if (!tlb_hit(tlb_addr, addr)) { - if (!VICTIM_TLB_HIT(addr_write, addr)) { - tlb_fill(ENV_GET_CPU(env), addr, DATA_SIZE, MMU_DATA_STORE, - mmu_idx, retaddr); - index = tlb_index(env, mmu_idx, addr); - entry = tlb_entry(env, mmu_idx, addr); - } - tlb_addr = tlb_addr_write(entry) & ~TLB_INVALID_MASK; - } - - /* Handle an IO access. */ - if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) { - if ((addr & (DATA_SIZE - 1)) != 0) { - goto do_unaligned_access; - } - - /* ??? Note that the io helpers always read data in the target - byte ordering. We should push the LE/BE request down into io. */ - val = TGT_LE(val); - glue(io_write, SUFFIX)(env, mmu_idx, index, val, addr, - retaddr, tlb_addr & TLB_RECHECK); - return; - } - - /* Handle slow unaligned access (it spans two pages or IO). */ - if (DATA_SIZE > 1 - && unlikely((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1 - >= TARGET_PAGE_SIZE)) { - int i; - target_ulong page2; - CPUTLBEntry *entry2; - do_unaligned_access: - /* Ensure the second page is in the TLB. Note that the first page - is already guaranteed to be filled, and that the second page - cannot evict the first. */ - page2 = (addr + DATA_SIZE) & TARGET_PAGE_MASK; - entry2 = tlb_entry(env, mmu_idx, page2); - if (!tlb_hit_page(tlb_addr_write(entry2), page2) - && !VICTIM_TLB_HIT(addr_write, page2)) { - tlb_fill(ENV_GET_CPU(env), page2, DATA_SIZE, MMU_DATA_STORE, - mmu_idx, retaddr); - } - - /* XXX: not efficient, but simple. */ - /* This loop must go in the forward direction to avoid issues - with self-modifying code in Windows 64-bit. */ - for (i = 0; i < DATA_SIZE; ++i) { - /* Little-endian extract. */ - uint8_t val8 = val >> (i * 8); - glue(helper_ret_stb, MMUSUFFIX)(env, addr + i, val8, - oi, retaddr); - } - return; - } - - haddr = addr + entry->addend; -#if DATA_SIZE == 1 - glue(glue(st, SUFFIX), _p)((uint8_t *)haddr, val); -#else - glue(glue(st, SUFFIX), _le_p)((uint8_t *)haddr, val); -#endif -} - -#if DATA_SIZE > 1 -void helper_be_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val, - TCGMemOpIdx oi, uintptr_t retaddr) -{ - uintptr_t mmu_idx = get_mmuidx(oi); - uintptr_t index = tlb_index(env, mmu_idx, addr); - CPUTLBEntry *entry = tlb_entry(env, mmu_idx, addr); - target_ulong tlb_addr = tlb_addr_write(entry); - unsigned a_bits = get_alignment_bits(get_memop(oi)); - uintptr_t haddr; - - if (addr & ((1 << a_bits) - 1)) { - cpu_unaligned_access(ENV_GET_CPU(env), addr, MMU_DATA_STORE, - mmu_idx, retaddr); - } - - /* If the TLB entry is for a different page, reload and try again. */ - if (!tlb_hit(tlb_addr, addr)) { - if (!VICTIM_TLB_HIT(addr_write, addr)) { - tlb_fill(ENV_GET_CPU(env), addr, DATA_SIZE, MMU_DATA_STORE, - mmu_idx, retaddr); - index = tlb_index(env, mmu_idx, addr); - entry = tlb_entry(env, mmu_idx, addr); - } - tlb_addr = tlb_addr_write(entry) & ~TLB_INVALID_MASK; - } - - /* Handle an IO access. */ - if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) { - if ((addr & (DATA_SIZE - 1)) != 0) { - goto do_unaligned_access; - } - - /* ??? Note that the io helpers always read data in the target - byte ordering. We should push the LE/BE request down into io. */ - val = TGT_BE(val); - glue(io_write, SUFFIX)(env, mmu_idx, index, val, addr, retaddr, - tlb_addr & TLB_RECHECK); - return; - } - - /* Handle slow unaligned access (it spans two pages or IO). */ - if (DATA_SIZE > 1 - && unlikely((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1 - >= TARGET_PAGE_SIZE)) { - int i; - target_ulong page2; - CPUTLBEntry *entry2; - do_unaligned_access: - /* Ensure the second page is in the TLB. Note that the first page - is already guaranteed to be filled, and that the second page - cannot evict the first. */ - page2 = (addr + DATA_SIZE) & TARGET_PAGE_MASK; - entry2 = tlb_entry(env, mmu_idx, page2); - if (!tlb_hit_page(tlb_addr_write(entry2), page2) - && !VICTIM_TLB_HIT(addr_write, page2)) { - tlb_fill(ENV_GET_CPU(env), page2, DATA_SIZE, MMU_DATA_STORE, - mmu_idx, retaddr); - } - - /* XXX: not efficient, but simple */ - /* This loop must go in the forward direction to avoid issues - with self-modifying code. */ - for (i = 0; i < DATA_SIZE; ++i) { - /* Big-endian extract. */ - uint8_t val8 = val >> (((DATA_SIZE - 1) * 8) - (i * 8)); - glue(helper_ret_stb, MMUSUFFIX)(env, addr + i, val8, - oi, retaddr); - } - return; - } - - haddr = addr + entry->addend; - glue(glue(st, SUFFIX), _be_p)((uint8_t *)haddr, val); -} -#endif /* DATA_SIZE > 1 */ -#endif /* !defined(SOFTMMU_CODE_ACCESS) */ - -#undef READ_ACCESS_TYPE -#undef DATA_TYPE -#undef SUFFIX -#undef LSUFFIX -#undef DATA_SIZE -#undef ADDR_READ -#undef WORD_TYPE -#undef SDATA_TYPE -#undef USUFFIX -#undef SSUFFIX -#undef BSWAP -#undef helper_le_ld_name -#undef helper_be_ld_name -#undef helper_le_lds_name -#undef helper_be_lds_name -#undef helper_le_st_name -#undef helper_be_st_name -- 2.20.1
