David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1 | #ifndef CPU_COMMON_H |
| 2 | #define CPU_COMMON_H 1 |
| 3 | |
| 4 | /* CPU interfaces that are target indpendent. */ |
| 5 | |
David Turner | 6a9ef17 | 2010-09-09 22:54:36 +0200 | [diff] [blame] | 6 | #if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) || defined(__ia64__) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 7 | #define WORDS_ALIGNED |
| 8 | #endif |
| 9 | |
David Turner | 6a9ef17 | 2010-09-09 22:54:36 +0200 | [diff] [blame] | 10 | #ifdef TARGET_PHYS_ADDR_BITS |
| 11 | #include "targphys.h" |
| 12 | #endif |
| 13 | |
| 14 | #ifndef NEED_CPU_H |
| 15 | #include "poison.h" |
| 16 | #endif |
| 17 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 18 | #include "bswap.h" |
David Turner | 6a9ef17 | 2010-09-09 22:54:36 +0200 | [diff] [blame] | 19 | #include "qemu-queue.h" |
| 20 | |
| 21 | #if !defined(CONFIG_USER_ONLY) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 22 | |
| 23 | /* address in the RAM (different from a physical address) */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 24 | typedef unsigned long ram_addr_t; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 25 | |
| 26 | /* memory API */ |
| 27 | |
| 28 | typedef void CPUWriteMemoryFunc(void *opaque, target_phys_addr_t addr, uint32_t value); |
| 29 | typedef uint32_t CPUReadMemoryFunc(void *opaque, target_phys_addr_t addr); |
| 30 | |
| 31 | void cpu_register_physical_memory_offset(target_phys_addr_t start_addr, |
| 32 | ram_addr_t size, |
| 33 | ram_addr_t phys_offset, |
| 34 | ram_addr_t region_offset); |
| 35 | static inline void cpu_register_physical_memory(target_phys_addr_t start_addr, |
| 36 | ram_addr_t size, |
| 37 | ram_addr_t phys_offset) |
| 38 | { |
| 39 | cpu_register_physical_memory_offset(start_addr, size, phys_offset, 0); |
| 40 | } |
| 41 | |
| 42 | ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr); |
| 43 | ram_addr_t qemu_ram_alloc(ram_addr_t); |
| 44 | void qemu_ram_free(ram_addr_t addr); |
| 45 | /* This should only be used for ram local to a device. */ |
| 46 | void *qemu_get_ram_ptr(ram_addr_t addr); |
| 47 | /* This should not be used by devices. */ |
| 48 | ram_addr_t qemu_ram_addr_from_host(void *ptr); |
| 49 | |
David 'Digit' Turner | 3641106 | 2010-12-22 17:34:53 +0100 | [diff] [blame] | 50 | int cpu_register_io_memory(CPUReadMemoryFunc * const *mem_read, |
| 51 | CPUWriteMemoryFunc * const *mem_write, |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 52 | void *opaque); |
| 53 | void cpu_unregister_io_memory(int table_address); |
| 54 | |
| 55 | void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf, |
| 56 | int len, int is_write); |
| 57 | static inline void cpu_physical_memory_read(target_phys_addr_t addr, |
| 58 | uint8_t *buf, int len) |
| 59 | { |
| 60 | cpu_physical_memory_rw(addr, buf, len, 0); |
| 61 | } |
| 62 | static inline void cpu_physical_memory_write(target_phys_addr_t addr, |
| 63 | const uint8_t *buf, int len) |
| 64 | { |
| 65 | cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1); |
| 66 | } |
| 67 | void *cpu_physical_memory_map(target_phys_addr_t addr, |
| 68 | target_phys_addr_t *plen, |
| 69 | int is_write); |
| 70 | void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len, |
| 71 | int is_write, target_phys_addr_t access_len); |
| 72 | void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque)); |
| 73 | void cpu_unregister_map_client(void *cookie); |
| 74 | |
| 75 | uint32_t ldub_phys(target_phys_addr_t addr); |
| 76 | uint32_t lduw_phys(target_phys_addr_t addr); |
| 77 | uint32_t ldl_phys(target_phys_addr_t addr); |
| 78 | uint64_t ldq_phys(target_phys_addr_t addr); |
| 79 | void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val); |
| 80 | void stq_phys_notdirty(target_phys_addr_t addr, uint64_t val); |
| 81 | void stb_phys(target_phys_addr_t addr, uint32_t val); |
| 82 | void stw_phys(target_phys_addr_t addr, uint32_t val); |
| 83 | void stl_phys(target_phys_addr_t addr, uint32_t val); |
| 84 | void stq_phys(target_phys_addr_t addr, uint64_t val); |
| 85 | |
| 86 | void cpu_physical_memory_write_rom(target_phys_addr_t addr, |
| 87 | const uint8_t *buf, int len); |
| 88 | |
| 89 | #define IO_MEM_SHIFT 3 |
| 90 | |
| 91 | #define IO_MEM_RAM (0 << IO_MEM_SHIFT) /* hardcoded offset */ |
| 92 | #define IO_MEM_ROM (1 << IO_MEM_SHIFT) /* hardcoded offset */ |
| 93 | #define IO_MEM_UNASSIGNED (2 << IO_MEM_SHIFT) |
| 94 | #define IO_MEM_NOTDIRTY (3 << IO_MEM_SHIFT) |
| 95 | |
| 96 | /* Acts like a ROM when read and like a device when written. */ |
| 97 | #define IO_MEM_ROMD (1) |
| 98 | #define IO_MEM_SUBPAGE (2) |
| 99 | #define IO_MEM_SUBWIDTH (4) |
| 100 | |
David Turner | 6a9ef17 | 2010-09-09 22:54:36 +0200 | [diff] [blame] | 101 | #endif |
| 102 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 103 | #endif /* !CPU_COMMON_H */ |