diff options
Diffstat (limited to 'exec.c')
| -rw-r--r-- | exec.c | 201 |
1 files changed, 191 insertions, 10 deletions
@@ -4127,7 +4127,8 @@ void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len, } /* warning: addr must be aligned */ -uint32_t ldl_phys(target_phys_addr_t addr) +static inline uint32_t ldl_phys_internal(target_phys_addr_t addr, + enum device_endian endian) { int io_index; uint8_t *ptr; @@ -4149,17 +4150,52 @@ uint32_t ldl_phys(target_phys_addr_t addr) if (p) addr = (addr & ~TARGET_PAGE_MASK) + p->region_offset; val = io_mem_read[io_index][2](io_mem_opaque[io_index], addr); +#if defined(TARGET_WORDS_BIGENDIAN) + if (endian == DEVICE_LITTLE_ENDIAN) { + val = bswap32(val); + } +#else + if (endian == DEVICE_BIG_ENDIAN) { + val = bswap32(val); + } +#endif } else { /* RAM case */ ptr = qemu_get_ram_ptr(pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); - val = ldl_p(ptr); + switch (endian) { + case DEVICE_LITTLE_ENDIAN: + val = ldl_le_p(ptr); + break; + case DEVICE_BIG_ENDIAN: + val = ldl_be_p(ptr); + break; + default: + val = ldl_p(ptr); + break; + } } return val; } +uint32_t ldl_phys(target_phys_addr_t addr) +{ + return ldl_phys_internal(addr, DEVICE_NATIVE_ENDIAN); +} + +uint32_t ldl_le_phys(target_phys_addr_t addr) +{ + return ldl_phys_internal(addr, DEVICE_LITTLE_ENDIAN); +} + +uint32_t ldl_be_phys(target_phys_addr_t addr) +{ + return ldl_phys_internal(addr, DEVICE_BIG_ENDIAN); +} + /* warning: addr must be aligned */ -uint64_t ldq_phys(target_phys_addr_t addr) +static inline uint64_t ldq_phys_internal(target_phys_addr_t addr, + enum device_endian endian) { int io_index; uint8_t *ptr; @@ -4180,6 +4216,9 @@ uint64_t ldq_phys(target_phys_addr_t addr) io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1); if (p) addr = (addr & ~TARGET_PAGE_MASK) + p->region_offset; + + /* XXX This is broken when device endian != cpu endian. + Fix and add "endian" variable check */ #ifdef TARGET_WORDS_BIGENDIAN val = (uint64_t)io_mem_read[io_index][2](io_mem_opaque[io_index], addr) << 32; val |= io_mem_read[io_index][2](io_mem_opaque[io_index], addr + 4); @@ -4191,11 +4230,36 @@ uint64_t ldq_phys(target_phys_addr_t addr) /* RAM case */ ptr = qemu_get_ram_ptr(pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); - val = ldq_p(ptr); + switch (endian) { + case DEVICE_LITTLE_ENDIAN: + val = ldq_le_p(ptr); + break; + case DEVICE_BIG_ENDIAN: + val = ldq_be_p(ptr); + break; + default: + val = ldq_p(ptr); + break; + } } return val; } +uint64_t ldq_phys(target_phys_addr_t addr) +{ + return ldq_phys_internal(addr, DEVICE_NATIVE_ENDIAN); +} + +uint64_t ldq_le_phys(target_phys_addr_t addr) +{ + return ldq_phys_internal(addr, DEVICE_LITTLE_ENDIAN); +} + +uint64_t ldq_be_phys(target_phys_addr_t addr) +{ + return ldq_phys_internal(addr, DEVICE_BIG_ENDIAN); +} + /* XXX: optimize */ uint32_t ldub_phys(target_phys_addr_t addr) { @@ -4205,7 +4269,8 @@ uint32_t ldub_phys(target_phys_addr_t addr) } /* warning: addr must be aligned */ -uint32_t lduw_phys(target_phys_addr_t addr) +static inline uint32_t lduw_phys_internal(target_phys_addr_t addr, + enum device_endian endian) { int io_index; uint8_t *ptr; @@ -4227,15 +4292,49 @@ uint32_t lduw_phys(target_phys_addr_t addr) if (p) addr = (addr & ~TARGET_PAGE_MASK) + p->region_offset; val = io_mem_read[io_index][1](io_mem_opaque[io_index], addr); +#if defined(TARGET_WORDS_BIGENDIAN) + if (endian == DEVICE_LITTLE_ENDIAN) { + val = bswap16(val); + } +#else + if (endian == DEVICE_BIG_ENDIAN) { + val = bswap16(val); + } +#endif } else { /* RAM case */ ptr = qemu_get_ram_ptr(pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); - val = lduw_p(ptr); + switch (endian) { + case DEVICE_LITTLE_ENDIAN: + val = lduw_le_p(ptr); + break; + case DEVICE_BIG_ENDIAN: + val = lduw_be_p(ptr); + break; + default: + val = lduw_p(ptr); + break; + } } return val; } +uint32_t lduw_phys(target_phys_addr_t addr) +{ + return lduw_phys_internal(addr, DEVICE_NATIVE_ENDIAN); +} + +uint32_t lduw_le_phys(target_phys_addr_t addr) +{ + return lduw_phys_internal(addr, DEVICE_LITTLE_ENDIAN); +} + +uint32_t lduw_be_phys(target_phys_addr_t addr) +{ + return lduw_phys_internal(addr, DEVICE_BIG_ENDIAN); +} + /* warning: addr must be aligned. The ram page is not masked as dirty and the code inside is not invalidated. It is useful if the dirty bits are used to track modified PTEs */ @@ -4308,7 +4407,8 @@ void stq_phys_notdirty(target_phys_addr_t addr, uint64_t val) } /* warning: addr must be aligned */ -void stl_phys(target_phys_addr_t addr, uint32_t val) +static inline void stl_phys_internal(target_phys_addr_t addr, uint32_t val, + enum device_endian endian) { int io_index; uint8_t *ptr; @@ -4326,13 +4426,32 @@ void stl_phys(target_phys_addr_t addr, uint32_t val) io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1); if (p) addr = (addr & ~TARGET_PAGE_MASK) + p->region_offset; +#if defined(TARGET_WORDS_BIGENDIAN) + if (endian == DEVICE_LITTLE_ENDIAN) { + val = bswap32(val); + } +#else + if (endian == DEVICE_BIG_ENDIAN) { + val = bswap32(val); + } +#endif io_mem_write[io_index][2](io_mem_opaque[io_index], addr, val); } else { unsigned long addr1; addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); /* RAM case */ ptr = qemu_get_ram_ptr(addr1); - stl_p(ptr, val); + switch (endian) { + case DEVICE_LITTLE_ENDIAN: + stl_le_p(ptr, val); + break; + case DEVICE_BIG_ENDIAN: + stl_be_p(ptr, val); + break; + default: + stl_p(ptr, val); + break; + } if (!cpu_physical_memory_is_dirty(addr1)) { /* invalidate code */ tb_invalidate_phys_page_range(addr1, addr1 + 4, 0); @@ -4343,6 +4462,21 @@ void stl_phys(target_phys_addr_t addr, uint32_t val) } } +void stl_phys(target_phys_addr_t addr, uint32_t val) +{ + stl_phys_internal(addr, val, DEVICE_NATIVE_ENDIAN); +} + +void stl_le_phys(target_phys_addr_t addr, uint32_t val) +{ + stl_phys_internal(addr, val, DEVICE_LITTLE_ENDIAN); +} + +void stl_be_phys(target_phys_addr_t addr, uint32_t val) +{ + stl_phys_internal(addr, val, DEVICE_BIG_ENDIAN); +} + /* XXX: optimize */ void stb_phys(target_phys_addr_t addr, uint32_t val) { @@ -4351,7 +4485,8 @@ void stb_phys(target_phys_addr_t addr, uint32_t val) } /* warning: addr must be aligned */ -void stw_phys(target_phys_addr_t addr, uint32_t val) +static inline void stw_phys_internal(target_phys_addr_t addr, uint32_t val, + enum device_endian endian) { int io_index; uint8_t *ptr; @@ -4369,13 +4504,32 @@ void stw_phys(target_phys_addr_t addr, uint32_t val) io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1); if (p) addr = (addr & ~TARGET_PAGE_MASK) + p->region_offset; +#if defined(TARGET_WORDS_BIGENDIAN) + if (endian == DEVICE_LITTLE_ENDIAN) { + val = bswap16(val); + } +#else + if (endian == DEVICE_BIG_ENDIAN) { + val = bswap16(val); + } +#endif io_mem_write[io_index][1](io_mem_opaque[io_index], addr, val); } else { unsigned long addr1; addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK); /* RAM case */ ptr = qemu_get_ram_ptr(addr1); - stw_p(ptr, val); + switch (endian) { + case DEVICE_LITTLE_ENDIAN: + stw_le_p(ptr, val); + break; + case DEVICE_BIG_ENDIAN: + stw_be_p(ptr, val); + break; + default: + stw_p(ptr, val); + break; + } if (!cpu_physical_memory_is_dirty(addr1)) { /* invalidate code */ tb_invalidate_phys_page_range(addr1, addr1 + 2, 0); @@ -4386,6 +4540,21 @@ void stw_phys(target_phys_addr_t addr, uint32_t val) } } +void stw_phys(target_phys_addr_t addr, uint32_t val) +{ + stw_phys_internal(addr, val, DEVICE_NATIVE_ENDIAN); +} + +void stw_le_phys(target_phys_addr_t addr, uint32_t val) +{ + stw_phys_internal(addr, val, DEVICE_LITTLE_ENDIAN); +} + +void stw_be_phys(target_phys_addr_t addr, uint32_t val) +{ + stw_phys_internal(addr, val, DEVICE_BIG_ENDIAN); +} + /* XXX: optimize */ void stq_phys(target_phys_addr_t addr, uint64_t val) { @@ -4393,6 +4562,18 @@ void stq_phys(target_phys_addr_t addr, uint64_t val) cpu_physical_memory_write(addr, &val, 8); } +void stq_le_phys(target_phys_addr_t addr, uint64_t val) +{ + val = cpu_to_le64(val); + cpu_physical_memory_write(addr, &val, 8); +} + +void stq_be_phys(target_phys_addr_t addr, uint64_t val) +{ + val = cpu_to_be64(val); + cpu_physical_memory_write(addr, &val, 8); +} + /* virtual memory access for debug (includes writing to ROM) */ int cpu_memory_rw_debug(CPUState *env, target_ulong addr, uint8_t *buf, int len, int is_write) |