From 58ed270df9764c90b5b8b750be5af2f82ceab0be Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 28 Mar 2014 18:00:25 +0100 Subject: softmmu: move softmmu_template.h out of include/ It is only included in cputlb.c now. Reviewed-by: Richard Henderson Signed-off-by: Paolo Bonzini --- cputlb.c | 16 +- include/exec/softmmu_template.h | 533 ---------------------------------------- softmmu_template.h | 533 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 541 insertions(+), 541 deletions(-) delete mode 100644 include/exec/softmmu_template.h create mode 100644 softmmu_template.h diff --git a/cputlb.c b/cputlb.c index 0a884f8..e70cf7a 100644 --- a/cputlb.c +++ b/cputlb.c @@ -334,16 +334,16 @@ tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong addr) #define MMUSUFFIX _mmu #define SHIFT 0 -#include "exec/softmmu_template.h" +#include "softmmu_template.h" #define SHIFT 1 -#include "exec/softmmu_template.h" +#include "softmmu_template.h" #define SHIFT 2 -#include "exec/softmmu_template.h" +#include "softmmu_template.h" #define SHIFT 3 -#include "exec/softmmu_template.h" +#include "softmmu_template.h" #undef MMUSUFFIX #define MMUSUFFIX _cmmu @@ -354,13 +354,13 @@ tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong addr) #define SOFTMMU_CODE_ACCESS #define SHIFT 0 -#include "exec/softmmu_template.h" +#include "softmmu_template.h" #define SHIFT 1 -#include "exec/softmmu_template.h" +#include "softmmu_template.h" #define SHIFT 2 -#include "exec/softmmu_template.h" +#include "softmmu_template.h" #define SHIFT 3 -#include "exec/softmmu_template.h" +#include "softmmu_template.h" diff --git a/include/exec/softmmu_template.h b/include/exec/softmmu_template.h deleted file mode 100644 index 5a07f99..0000000 --- a/include/exec/softmmu_template.h +++ /dev/null @@ -1,533 +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 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 . - */ -#include "qemu/timer.h" -#include "exec/address-spaces.h" -#include "exec/memory.h" - -#define DATA_SIZE (1 << SHIFT) - -#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 2 -#define ADDR_READ addr_code -#else -#define READ_ACCESS_TYPE 0 -#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 - -#ifdef TARGET_WORDS_BIGENDIAN -# define TGT_BE(X) (X) -# define TGT_LE(X) BSWAP(X) -#else -# define TGT_BE(X) BSWAP(X) -# define TGT_LE(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 - -#ifdef TARGET_WORDS_BIGENDIAN -# define helper_te_ld_name helper_be_ld_name -# define helper_te_st_name helper_be_st_name -#else -# define helper_te_ld_name helper_le_ld_name -# define helper_te_st_name helper_le_st_name -#endif - -#ifndef SOFTMMU_CODE_ACCESS -static inline DATA_TYPE glue(io_read, SUFFIX)(CPUArchState *env, - hwaddr physaddr, - target_ulong addr, - uintptr_t retaddr) -{ - uint64_t val; - CPUState *cpu = ENV_GET_CPU(env); - MemoryRegion *mr = iotlb_to_region(cpu->as, physaddr); - - physaddr = (physaddr & TARGET_PAGE_MASK) + addr; - cpu->mem_io_pc = retaddr; - if (mr != &io_mem_rom && mr != &io_mem_notdirty && !cpu_can_do_io(cpu)) { - cpu_io_recompile(cpu, retaddr); - } - - cpu->mem_io_vaddr = addr; - io_mem_read(mr, physaddr, &val, 1 << SHIFT); - return val; -} -#endif - -#ifdef SOFTMMU_CODE_ACCESS -static __attribute__((unused)) -#endif -WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx, - uintptr_t retaddr) -{ - int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); - target_ulong tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ; - uintptr_t haddr; - DATA_TYPE res; - - /* Adjust the given return address. */ - retaddr -= GETPC_ADJ; - - /* If the TLB entry is for a different page, reload and try again. */ - if ((addr & TARGET_PAGE_MASK) - != (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { -#ifdef ALIGNED_ONLY - if ((addr & (DATA_SIZE - 1)) != 0) { - cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, - mmu_idx, retaddr); - } -#endif - tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, mmu_idx, retaddr); - tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ; - } - - /* Handle an IO access. */ - if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) { - hwaddr ioaddr; - if ((addr & (DATA_SIZE - 1)) != 0) { - goto do_unaligned_access; - } - ioaddr = env->iotlb[mmu_idx][index]; - - /* ??? 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, ioaddr, addr, retaddr); - 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: -#ifdef ALIGNED_ONLY - cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, - mmu_idx, retaddr); -#endif - addr1 = addr & ~(DATA_SIZE - 1); - addr2 = addr1 + DATA_SIZE; - /* Note the adjustment at the beginning of the function. - Undo that for the recursion. */ - res1 = helper_le_ld_name(env, addr1, mmu_idx, retaddr + GETPC_ADJ); - res2 = helper_le_ld_name(env, addr2, mmu_idx, retaddr + GETPC_ADJ); - shift = (addr & (DATA_SIZE - 1)) * 8; - - /* Little-endian combine. */ - res = (res1 >> shift) | (res2 << ((DATA_SIZE * 8) - shift)); - return res; - } - - /* Handle aligned access or unaligned access in the same page. */ -#ifdef ALIGNED_ONLY - if ((addr & (DATA_SIZE - 1)) != 0) { - cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, - mmu_idx, retaddr); - } -#endif - - haddr = addr + env->tlb_table[mmu_idx][index].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 -#ifdef SOFTMMU_CODE_ACCESS -static __attribute__((unused)) -#endif -WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx, - uintptr_t retaddr) -{ - int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); - target_ulong tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ; - uintptr_t haddr; - DATA_TYPE res; - - /* Adjust the given return address. */ - retaddr -= GETPC_ADJ; - - /* If the TLB entry is for a different page, reload and try again. */ - if ((addr & TARGET_PAGE_MASK) - != (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { -#ifdef ALIGNED_ONLY - if ((addr & (DATA_SIZE - 1)) != 0) { - cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, - mmu_idx, retaddr); - } -#endif - tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, mmu_idx, retaddr); - tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ; - } - - /* Handle an IO access. */ - if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) { - hwaddr ioaddr; - if ((addr & (DATA_SIZE - 1)) != 0) { - goto do_unaligned_access; - } - ioaddr = env->iotlb[mmu_idx][index]; - - /* ??? 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, ioaddr, addr, retaddr); - 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: -#ifdef ALIGNED_ONLY - cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, - mmu_idx, retaddr); -#endif - addr1 = addr & ~(DATA_SIZE - 1); - addr2 = addr1 + DATA_SIZE; - /* Note the adjustment at the beginning of the function. - Undo that for the recursion. */ - res1 = helper_be_ld_name(env, addr1, mmu_idx, retaddr + GETPC_ADJ); - res2 = helper_be_ld_name(env, addr2, mmu_idx, retaddr + GETPC_ADJ); - shift = (addr & (DATA_SIZE - 1)) * 8; - - /* Big-endian combine. */ - res = (res1 << shift) | (res2 >> ((DATA_SIZE * 8) - shift)); - return res; - } - - /* Handle aligned access or unaligned access in the same page. */ -#ifdef ALIGNED_ONLY - if ((addr & (DATA_SIZE - 1)) != 0) { - cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, - mmu_idx, retaddr); - } -#endif - - haddr = addr + env->tlb_table[mmu_idx][index].addend; - res = glue(glue(ld, LSUFFIX), _be_p)((uint8_t *)haddr); - return res; -} -#endif /* DATA_SIZE > 1 */ - -DATA_TYPE -glue(glue(helper_ld, SUFFIX), MMUSUFFIX)(CPUArchState *env, target_ulong addr, - int mmu_idx) -{ - return helper_te_ld_name (env, addr, mmu_idx, GETRA()); -} - -#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, - int mmu_idx, uintptr_t retaddr) -{ - return (SDATA_TYPE)helper_le_ld_name(env, addr, mmu_idx, retaddr); -} - -# if DATA_SIZE > 1 -WORD_TYPE helper_be_lds_name(CPUArchState *env, target_ulong addr, - int mmu_idx, uintptr_t retaddr) -{ - return (SDATA_TYPE)helper_be_ld_name(env, addr, mmu_idx, retaddr); -} -# endif -#endif - -static inline void glue(io_write, SUFFIX)(CPUArchState *env, - hwaddr physaddr, - DATA_TYPE val, - target_ulong addr, - uintptr_t retaddr) -{ - CPUState *cpu = ENV_GET_CPU(env); - MemoryRegion *mr = iotlb_to_region(cpu->as, physaddr); - - physaddr = (physaddr & TARGET_PAGE_MASK) + addr; - if (mr != &io_mem_rom && mr != &io_mem_notdirty && !cpu_can_do_io(cpu)) { - cpu_io_recompile(cpu, retaddr); - } - - cpu->mem_io_vaddr = addr; - cpu->mem_io_pc = retaddr; - io_mem_write(mr, physaddr, val, 1 << SHIFT); -} - -void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val, - int mmu_idx, uintptr_t retaddr) -{ - int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); - target_ulong tlb_addr = env->tlb_table[mmu_idx][index].addr_write; - uintptr_t haddr; - - /* Adjust the given return address. */ - retaddr -= GETPC_ADJ; - - /* If the TLB entry is for a different page, reload and try again. */ - if ((addr & TARGET_PAGE_MASK) - != (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { -#ifdef ALIGNED_ONLY - if ((addr & (DATA_SIZE - 1)) != 0) { - cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); - } -#endif - tlb_fill(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); - tlb_addr = env->tlb_table[mmu_idx][index].addr_write; - } - - /* Handle an IO access. */ - if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) { - hwaddr ioaddr; - if ((addr & (DATA_SIZE - 1)) != 0) { - goto do_unaligned_access; - } - ioaddr = env->iotlb[mmu_idx][index]; - - /* ??? 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, ioaddr, val, addr, retaddr); - 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; - do_unaligned_access: -#ifdef ALIGNED_ONLY - cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); -#endif - /* XXX: not efficient, but simple */ - /* Note: relies on the fact that tlb_fill() does not remove the - * previous page from the TLB cache. */ - for (i = DATA_SIZE - 1; i >= 0; i--) { - /* Little-endian extract. */ - uint8_t val8 = val >> (i * 8); - /* Note the adjustment at the beginning of the function. - Undo that for the recursion. */ - glue(helper_ret_stb, MMUSUFFIX)(env, addr + i, val8, - mmu_idx, retaddr + GETPC_ADJ); - } - return; - } - - /* Handle aligned access or unaligned access in the same page. */ -#ifdef ALIGNED_ONLY - if ((addr & (DATA_SIZE - 1)) != 0) { - cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); - } -#endif - - haddr = addr + env->tlb_table[mmu_idx][index].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, - int mmu_idx, uintptr_t retaddr) -{ - int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); - target_ulong tlb_addr = env->tlb_table[mmu_idx][index].addr_write; - uintptr_t haddr; - - /* Adjust the given return address. */ - retaddr -= GETPC_ADJ; - - /* If the TLB entry is for a different page, reload and try again. */ - if ((addr & TARGET_PAGE_MASK) - != (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { -#ifdef ALIGNED_ONLY - if ((addr & (DATA_SIZE - 1)) != 0) { - cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); - } -#endif - tlb_fill(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); - tlb_addr = env->tlb_table[mmu_idx][index].addr_write; - } - - /* Handle an IO access. */ - if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) { - hwaddr ioaddr; - if ((addr & (DATA_SIZE - 1)) != 0) { - goto do_unaligned_access; - } - ioaddr = env->iotlb[mmu_idx][index]; - - /* ??? 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, ioaddr, val, addr, retaddr); - 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; - do_unaligned_access: -#ifdef ALIGNED_ONLY - cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); -#endif - /* XXX: not efficient, but simple */ - /* Note: relies on the fact that tlb_fill() does not remove the - * previous page from the TLB cache. */ - for (i = DATA_SIZE - 1; i >= 0; i--) { - /* Big-endian extract. */ - uint8_t val8 = val >> (((DATA_SIZE - 1) * 8) - (i * 8)); - /* Note the adjustment at the beginning of the function. - Undo that for the recursion. */ - glue(helper_ret_stb, MMUSUFFIX)(env, addr + i, val8, - mmu_idx, retaddr + GETPC_ADJ); - } - return; - } - - /* Handle aligned access or unaligned access in the same page. */ -#ifdef ALIGNED_ONLY - if ((addr & (DATA_SIZE - 1)) != 0) { - cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); - } -#endif - - haddr = addr + env->tlb_table[mmu_idx][index].addend; - glue(glue(st, SUFFIX), _be_p)((uint8_t *)haddr, val); -} -#endif /* DATA_SIZE > 1 */ - -void -glue(glue(helper_st, SUFFIX), MMUSUFFIX)(CPUArchState *env, target_ulong addr, - DATA_TYPE val, int mmu_idx) -{ - helper_te_st_name(env, addr, val, mmu_idx, GETRA()); -} - -#endif /* !defined(SOFTMMU_CODE_ACCESS) */ - -#undef READ_ACCESS_TYPE -#undef SHIFT -#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 TGT_BE -#undef TGT_LE -#undef CPU_BE -#undef CPU_LE -#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 -#undef helper_te_ld_name -#undef helper_te_st_name diff --git a/softmmu_template.h b/softmmu_template.h new file mode 100644 index 0000000..5a07f99 --- /dev/null +++ b/softmmu_template.h @@ -0,0 +1,533 @@ +/* + * 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 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 . + */ +#include "qemu/timer.h" +#include "exec/address-spaces.h" +#include "exec/memory.h" + +#define DATA_SIZE (1 << SHIFT) + +#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 2 +#define ADDR_READ addr_code +#else +#define READ_ACCESS_TYPE 0 +#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 + +#ifdef TARGET_WORDS_BIGENDIAN +# define TGT_BE(X) (X) +# define TGT_LE(X) BSWAP(X) +#else +# define TGT_BE(X) BSWAP(X) +# define TGT_LE(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 + +#ifdef TARGET_WORDS_BIGENDIAN +# define helper_te_ld_name helper_be_ld_name +# define helper_te_st_name helper_be_st_name +#else +# define helper_te_ld_name helper_le_ld_name +# define helper_te_st_name helper_le_st_name +#endif + +#ifndef SOFTMMU_CODE_ACCESS +static inline DATA_TYPE glue(io_read, SUFFIX)(CPUArchState *env, + hwaddr physaddr, + target_ulong addr, + uintptr_t retaddr) +{ + uint64_t val; + CPUState *cpu = ENV_GET_CPU(env); + MemoryRegion *mr = iotlb_to_region(cpu->as, physaddr); + + physaddr = (physaddr & TARGET_PAGE_MASK) + addr; + cpu->mem_io_pc = retaddr; + if (mr != &io_mem_rom && mr != &io_mem_notdirty && !cpu_can_do_io(cpu)) { + cpu_io_recompile(cpu, retaddr); + } + + cpu->mem_io_vaddr = addr; + io_mem_read(mr, physaddr, &val, 1 << SHIFT); + return val; +} +#endif + +#ifdef SOFTMMU_CODE_ACCESS +static __attribute__((unused)) +#endif +WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx, + uintptr_t retaddr) +{ + int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); + target_ulong tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ; + uintptr_t haddr; + DATA_TYPE res; + + /* Adjust the given return address. */ + retaddr -= GETPC_ADJ; + + /* If the TLB entry is for a different page, reload and try again. */ + if ((addr & TARGET_PAGE_MASK) + != (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { +#ifdef ALIGNED_ONLY + if ((addr & (DATA_SIZE - 1)) != 0) { + cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, + mmu_idx, retaddr); + } +#endif + tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, mmu_idx, retaddr); + tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ; + } + + /* Handle an IO access. */ + if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) { + hwaddr ioaddr; + if ((addr & (DATA_SIZE - 1)) != 0) { + goto do_unaligned_access; + } + ioaddr = env->iotlb[mmu_idx][index]; + + /* ??? 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, ioaddr, addr, retaddr); + 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: +#ifdef ALIGNED_ONLY + cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, + mmu_idx, retaddr); +#endif + addr1 = addr & ~(DATA_SIZE - 1); + addr2 = addr1 + DATA_SIZE; + /* Note the adjustment at the beginning of the function. + Undo that for the recursion. */ + res1 = helper_le_ld_name(env, addr1, mmu_idx, retaddr + GETPC_ADJ); + res2 = helper_le_ld_name(env, addr2, mmu_idx, retaddr + GETPC_ADJ); + shift = (addr & (DATA_SIZE - 1)) * 8; + + /* Little-endian combine. */ + res = (res1 >> shift) | (res2 << ((DATA_SIZE * 8) - shift)); + return res; + } + + /* Handle aligned access or unaligned access in the same page. */ +#ifdef ALIGNED_ONLY + if ((addr & (DATA_SIZE - 1)) != 0) { + cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, + mmu_idx, retaddr); + } +#endif + + haddr = addr + env->tlb_table[mmu_idx][index].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 +#ifdef SOFTMMU_CODE_ACCESS +static __attribute__((unused)) +#endif +WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx, + uintptr_t retaddr) +{ + int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); + target_ulong tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ; + uintptr_t haddr; + DATA_TYPE res; + + /* Adjust the given return address. */ + retaddr -= GETPC_ADJ; + + /* If the TLB entry is for a different page, reload and try again. */ + if ((addr & TARGET_PAGE_MASK) + != (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { +#ifdef ALIGNED_ONLY + if ((addr & (DATA_SIZE - 1)) != 0) { + cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, + mmu_idx, retaddr); + } +#endif + tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, mmu_idx, retaddr); + tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ; + } + + /* Handle an IO access. */ + if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) { + hwaddr ioaddr; + if ((addr & (DATA_SIZE - 1)) != 0) { + goto do_unaligned_access; + } + ioaddr = env->iotlb[mmu_idx][index]; + + /* ??? 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, ioaddr, addr, retaddr); + 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: +#ifdef ALIGNED_ONLY + cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, + mmu_idx, retaddr); +#endif + addr1 = addr & ~(DATA_SIZE - 1); + addr2 = addr1 + DATA_SIZE; + /* Note the adjustment at the beginning of the function. + Undo that for the recursion. */ + res1 = helper_be_ld_name(env, addr1, mmu_idx, retaddr + GETPC_ADJ); + res2 = helper_be_ld_name(env, addr2, mmu_idx, retaddr + GETPC_ADJ); + shift = (addr & (DATA_SIZE - 1)) * 8; + + /* Big-endian combine. */ + res = (res1 << shift) | (res2 >> ((DATA_SIZE * 8) - shift)); + return res; + } + + /* Handle aligned access or unaligned access in the same page. */ +#ifdef ALIGNED_ONLY + if ((addr & (DATA_SIZE - 1)) != 0) { + cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, + mmu_idx, retaddr); + } +#endif + + haddr = addr + env->tlb_table[mmu_idx][index].addend; + res = glue(glue(ld, LSUFFIX), _be_p)((uint8_t *)haddr); + return res; +} +#endif /* DATA_SIZE > 1 */ + +DATA_TYPE +glue(glue(helper_ld, SUFFIX), MMUSUFFIX)(CPUArchState *env, target_ulong addr, + int mmu_idx) +{ + return helper_te_ld_name (env, addr, mmu_idx, GETRA()); +} + +#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, + int mmu_idx, uintptr_t retaddr) +{ + return (SDATA_TYPE)helper_le_ld_name(env, addr, mmu_idx, retaddr); +} + +# if DATA_SIZE > 1 +WORD_TYPE helper_be_lds_name(CPUArchState *env, target_ulong addr, + int mmu_idx, uintptr_t retaddr) +{ + return (SDATA_TYPE)helper_be_ld_name(env, addr, mmu_idx, retaddr); +} +# endif +#endif + +static inline void glue(io_write, SUFFIX)(CPUArchState *env, + hwaddr physaddr, + DATA_TYPE val, + target_ulong addr, + uintptr_t retaddr) +{ + CPUState *cpu = ENV_GET_CPU(env); + MemoryRegion *mr = iotlb_to_region(cpu->as, physaddr); + + physaddr = (physaddr & TARGET_PAGE_MASK) + addr; + if (mr != &io_mem_rom && mr != &io_mem_notdirty && !cpu_can_do_io(cpu)) { + cpu_io_recompile(cpu, retaddr); + } + + cpu->mem_io_vaddr = addr; + cpu->mem_io_pc = retaddr; + io_mem_write(mr, physaddr, val, 1 << SHIFT); +} + +void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val, + int mmu_idx, uintptr_t retaddr) +{ + int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); + target_ulong tlb_addr = env->tlb_table[mmu_idx][index].addr_write; + uintptr_t haddr; + + /* Adjust the given return address. */ + retaddr -= GETPC_ADJ; + + /* If the TLB entry is for a different page, reload and try again. */ + if ((addr & TARGET_PAGE_MASK) + != (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { +#ifdef ALIGNED_ONLY + if ((addr & (DATA_SIZE - 1)) != 0) { + cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); + } +#endif + tlb_fill(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); + tlb_addr = env->tlb_table[mmu_idx][index].addr_write; + } + + /* Handle an IO access. */ + if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) { + hwaddr ioaddr; + if ((addr & (DATA_SIZE - 1)) != 0) { + goto do_unaligned_access; + } + ioaddr = env->iotlb[mmu_idx][index]; + + /* ??? 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, ioaddr, val, addr, retaddr); + 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; + do_unaligned_access: +#ifdef ALIGNED_ONLY + cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); +#endif + /* XXX: not efficient, but simple */ + /* Note: relies on the fact that tlb_fill() does not remove the + * previous page from the TLB cache. */ + for (i = DATA_SIZE - 1; i >= 0; i--) { + /* Little-endian extract. */ + uint8_t val8 = val >> (i * 8); + /* Note the adjustment at the beginning of the function. + Undo that for the recursion. */ + glue(helper_ret_stb, MMUSUFFIX)(env, addr + i, val8, + mmu_idx, retaddr + GETPC_ADJ); + } + return; + } + + /* Handle aligned access or unaligned access in the same page. */ +#ifdef ALIGNED_ONLY + if ((addr & (DATA_SIZE - 1)) != 0) { + cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); + } +#endif + + haddr = addr + env->tlb_table[mmu_idx][index].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, + int mmu_idx, uintptr_t retaddr) +{ + int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); + target_ulong tlb_addr = env->tlb_table[mmu_idx][index].addr_write; + uintptr_t haddr; + + /* Adjust the given return address. */ + retaddr -= GETPC_ADJ; + + /* If the TLB entry is for a different page, reload and try again. */ + if ((addr & TARGET_PAGE_MASK) + != (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { +#ifdef ALIGNED_ONLY + if ((addr & (DATA_SIZE - 1)) != 0) { + cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); + } +#endif + tlb_fill(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); + tlb_addr = env->tlb_table[mmu_idx][index].addr_write; + } + + /* Handle an IO access. */ + if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) { + hwaddr ioaddr; + if ((addr & (DATA_SIZE - 1)) != 0) { + goto do_unaligned_access; + } + ioaddr = env->iotlb[mmu_idx][index]; + + /* ??? 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, ioaddr, val, addr, retaddr); + 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; + do_unaligned_access: +#ifdef ALIGNED_ONLY + cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); +#endif + /* XXX: not efficient, but simple */ + /* Note: relies on the fact that tlb_fill() does not remove the + * previous page from the TLB cache. */ + for (i = DATA_SIZE - 1; i >= 0; i--) { + /* Big-endian extract. */ + uint8_t val8 = val >> (((DATA_SIZE - 1) * 8) - (i * 8)); + /* Note the adjustment at the beginning of the function. + Undo that for the recursion. */ + glue(helper_ret_stb, MMUSUFFIX)(env, addr + i, val8, + mmu_idx, retaddr + GETPC_ADJ); + } + return; + } + + /* Handle aligned access or unaligned access in the same page. */ +#ifdef ALIGNED_ONLY + if ((addr & (DATA_SIZE - 1)) != 0) { + cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr); + } +#endif + + haddr = addr + env->tlb_table[mmu_idx][index].addend; + glue(glue(st, SUFFIX), _be_p)((uint8_t *)haddr, val); +} +#endif /* DATA_SIZE > 1 */ + +void +glue(glue(helper_st, SUFFIX), MMUSUFFIX)(CPUArchState *env, target_ulong addr, + DATA_TYPE val, int mmu_idx) +{ + helper_te_st_name(env, addr, val, mmu_idx, GETRA()); +} + +#endif /* !defined(SOFTMMU_CODE_ACCESS) */ + +#undef READ_ACCESS_TYPE +#undef SHIFT +#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 TGT_BE +#undef TGT_LE +#undef CPU_BE +#undef CPU_LE +#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 +#undef helper_te_ld_name +#undef helper_te_st_name -- cgit v1.1