diff options
Diffstat (limited to 'qemu/include/exec/cpu-all.h')
| -rw-r--r-- | qemu/include/exec/cpu-all.h | 59 |
1 files changed, 6 insertions, 53 deletions
diff --git a/qemu/include/exec/cpu-all.h b/qemu/include/exec/cpu-all.h index ea6a9a667..08e5093d0 100644 --- a/qemu/include/exec/cpu-all.h +++ b/qemu/include/exec/cpu-all.h @@ -154,24 +154,16 @@ static inline void tswap64s(uint64_t *s) /* MMU memory access macros */ #if defined(CONFIG_USER_ONLY) -#include <assert.h> #include "exec/user/abitypes.h" /* On some host systems the guest address space is reserved on the host. * This allows the guest address space to be offset to a convenient location. */ -#if defined(CONFIG_USE_GUEST_BASE) extern unsigned long guest_base; extern int have_guest_base; extern unsigned long reserved_va; -#define GUEST_BASE guest_base -#define RESERVED_VA reserved_va -#else -#define GUEST_BASE 0ul -#define RESERVED_VA 0ul -#endif -#define GUEST_ADDR_MAX (RESERVED_VA ? RESERVED_VA : \ +#define GUEST_ADDR_MAX (reserved_va ? reserved_va : \ (1ul << TARGET_VIRT_ADDR_SPACE_BITS) - 1) #endif @@ -181,11 +173,13 @@ extern unsigned long reserved_va; #define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1) #define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK) -/* ??? These should be the larger of uintptr_t and target_ulong. */ +/* Using intptr_t ensures that qemu_*_page_mask is sign-extended even + * when intptr_t is 32-bit and we are aligning a long long. + */ extern uintptr_t qemu_real_host_page_size; -extern uintptr_t qemu_real_host_page_mask; +extern intptr_t qemu_real_host_page_mask; extern uintptr_t qemu_host_page_size; -extern uintptr_t qemu_host_page_mask; +extern intptr_t qemu_host_page_mask; #define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask) #define REAL_HOST_PAGE_ALIGN(addr) (((addr) + qemu_real_host_page_size - 1) & \ @@ -273,44 +267,6 @@ CPUArchState *cpu_copy(CPUArchState *env); #if !defined(CONFIG_USER_ONLY) -/* memory API */ - -typedef struct RAMBlock RAMBlock; - -struct RAMBlock { - struct rcu_head rcu; - struct MemoryRegion *mr; - uint8_t *host; - ram_addr_t offset; - ram_addr_t used_length; - ram_addr_t max_length; - void (*resized)(const char*, uint64_t length, void *host); - uint32_t flags; - /* Protected by iothread lock. */ - char idstr[256]; - /* RCU-enabled, writes protected by the ramlist lock */ - QLIST_ENTRY(RAMBlock) next; - int fd; -}; - -static inline void *ramblock_ptr(RAMBlock *block, ram_addr_t offset) -{ - assert(offset < block->used_length); - assert(block->host); - return (char *)block->host + offset; -} - -typedef struct RAMList { - QemuMutex mutex; - /* Protected by the iothread lock. */ - unsigned long *dirty_memory[DIRTY_MEMORY_NUM]; - RAMBlock *mru_block; - /* RCU-enabled, writes protected by the ramlist lock. */ - QLIST_HEAD(, RAMBlock) blocks; - uint32_t version; -} RAMList; -extern RAMList ram_list; - /* Flags stored in the low bits of the TLB virtual address. These are defined so that fast path ram access is all zeros. */ /* Zero if TLB entry is valid. */ @@ -323,9 +279,6 @@ extern RAMList ram_list; void dump_exec_info(FILE *f, fprintf_function cpu_fprintf); void dump_opcount_info(FILE *f, fprintf_function cpu_fprintf); -ram_addr_t last_ram_offset(void); -void qemu_mutex_lock_ramlist(void); -void qemu_mutex_unlock_ramlist(void); #endif /* !CONFIG_USER_ONLY */ int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr, |