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-rw-r--r--include/exec/cpu-all.h24
-rw-r--r--include/exec/cpu-defs.h62
-rw-r--r--include/exec/cputlb.h6
-rw-r--r--include/exec/exec-all.h45
-rw-r--r--include/exec/gen-icount.h10
-rw-r--r--include/exec/softmmu_template.h24
6 files changed, 47 insertions, 124 deletions
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index 4cb4b4a53a..fb649a4029 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -360,9 +360,6 @@ int page_check_range(target_ulong start, target_ulong len, int flags);
CPUArchState *cpu_copy(CPUArchState *env);
-void QEMU_NORETURN cpu_abort(CPUArchState *env, const char *fmt, ...)
- GCC_FMT_ATTR(2, 3);
-
/* Flags for use in ENV->INTERRUPT_PENDING.
The numbers assigned here are non-sequential in order to preserve
@@ -413,27 +410,6 @@ void QEMU_NORETURN cpu_abort(CPUArchState *env, const char *fmt, ...)
| CPU_INTERRUPT_TGT_EXT_3 \
| CPU_INTERRUPT_TGT_EXT_4)
-/* Breakpoint/watchpoint flags */
-#define BP_MEM_READ 0x01
-#define BP_MEM_WRITE 0x02
-#define BP_MEM_ACCESS (BP_MEM_READ | BP_MEM_WRITE)
-#define BP_STOP_BEFORE_ACCESS 0x04
-#define BP_WATCHPOINT_HIT 0x08
-#define BP_GDB 0x10
-#define BP_CPU 0x20
-
-int cpu_breakpoint_insert(CPUArchState *env, target_ulong pc, int flags,
- CPUBreakpoint **breakpoint);
-int cpu_breakpoint_remove(CPUArchState *env, target_ulong pc, int flags);
-void cpu_breakpoint_remove_by_ref(CPUArchState *env, CPUBreakpoint *breakpoint);
-void cpu_breakpoint_remove_all(CPUArchState *env, int mask);
-int cpu_watchpoint_insert(CPUArchState *env, target_ulong addr, target_ulong len,
- int flags, CPUWatchpoint **watchpoint);
-int cpu_watchpoint_remove(CPUArchState *env, target_ulong addr,
- target_ulong len, int flags);
-void cpu_watchpoint_remove_by_ref(CPUArchState *env, CPUWatchpoint *watchpoint);
-void cpu_watchpoint_remove_all(CPUArchState *env, int mask);
-
#if !defined(CONFIG_USER_ONLY)
/* memory API */
diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h
index 01cd8c7a2b..2dd6206d4a 100644
--- a/include/exec/cpu-defs.h
+++ b/include/exec/cpu-defs.h
@@ -24,7 +24,6 @@
#endif
#include "config.h"
-#include <setjmp.h>
#include <inttypes.h>
#include "qemu/osdep.h"
#include "qemu/queue.h"
@@ -59,9 +58,7 @@ typedef uint64_t target_ulong;
#define EXCP_HLT 0x10001 /* hlt instruction reached */
#define EXCP_DEBUG 0x10002 /* cpu stopped after a breakpoint or singlestep */
#define EXCP_HALTED 0x10003 /* cpu is halted (waiting for external event) */
-
-#define TB_JMP_CACHE_BITS 12
-#define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS)
+#define EXCP_YIELD 0x10004 /* cpu wants to yield timeslice to another */
/* Only the bottom TB_JMP_PAGE_BITS of the jump cache hash bits vary for
addresses on the same page. The top bits are the same. This allows
@@ -117,66 +114,9 @@ QEMU_BUILD_BUG_ON(sizeof(CPUTLBEntry) != (1 << CPU_TLB_ENTRY_BITS));
#endif
-#ifdef HOST_WORDS_BIGENDIAN
-typedef struct icount_decr_u16 {
- uint16_t high;
- uint16_t low;
-} icount_decr_u16;
-#else
-typedef struct icount_decr_u16 {
- uint16_t low;
- uint16_t high;
-} icount_decr_u16;
-#endif
-
-typedef struct CPUBreakpoint {
- target_ulong pc;
- int flags; /* BP_* */
- QTAILQ_ENTRY(CPUBreakpoint) entry;
-} CPUBreakpoint;
-
-typedef struct CPUWatchpoint {
- target_ulong vaddr;
- target_ulong len_mask;
- int flags; /* BP_* */
- QTAILQ_ENTRY(CPUWatchpoint) entry;
-} CPUWatchpoint;
-
#define CPU_TEMP_BUF_NLONGS 128
#define CPU_COMMON \
/* soft mmu support */ \
- /* in order to avoid passing too many arguments to the MMIO \
- helpers, we store some rarely used information in the CPU \
- context) */ \
- uintptr_t mem_io_pc; /* host pc at which the memory was \
- accessed */ \
- target_ulong mem_io_vaddr; /* target virtual addr at which the \
- memory was accessed */ \
CPU_COMMON_TLB \
- struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE]; \
- \
- int64_t icount_extra; /* Instructions until next timer event. */ \
- /* Number of cycles left, with interrupt flag in high bit. \
- This allows a single read-compare-cbranch-write sequence to test \
- for both decrementer underflow and exceptions. */ \
- union { \
- uint32_t u32; \
- icount_decr_u16 u16; \
- } icount_decr; \
- uint32_t can_do_io; /* nonzero if memory mapped IO is safe. */ \
- \
- /* from this point: preserved by CPU reset */ \
- /* ice debug support */ \
- QTAILQ_HEAD(breakpoints_head, CPUBreakpoint) breakpoints; \
- \
- QTAILQ_HEAD(watchpoints_head, CPUWatchpoint) watchpoints; \
- CPUWatchpoint *watchpoint_hit; \
- \
- /* Core interrupt code */ \
- sigjmp_buf jmp_env; \
- int exception_index; \
- \
- /* user data */ \
- void *opaque; \
#endif
diff --git a/include/exec/cputlb.h b/include/exec/cputlb.h
index e21cb60442..b8ecd6f68d 100644
--- a/include/exec/cputlb.h
+++ b/include/exec/cputlb.h
@@ -22,7 +22,7 @@
#if !defined(CONFIG_USER_ONLY)
/* cputlb.c */
void tlb_protect_code(ram_addr_t ram_addr);
-void tlb_unprotect_code_phys(CPUArchState *env, ram_addr_t ram_addr,
+void tlb_unprotect_code_phys(CPUState *cpu, ram_addr_t ram_addr,
target_ulong vaddr);
void tlb_reset_dirty_range(CPUTLBEntry *tlb_entry, uintptr_t start,
uintptr_t length);
@@ -31,12 +31,12 @@ void tlb_set_dirty(CPUArchState *env, target_ulong vaddr);
extern int tlb_flush_count;
/* exec.c */
-void tb_flush_jmp_cache(CPUArchState *env, target_ulong addr);
+void tb_flush_jmp_cache(CPUState *cpu, target_ulong addr);
MemoryRegionSection *
address_space_translate_for_iotlb(AddressSpace *as, hwaddr addr, hwaddr *xlat,
hwaddr *plen);
-hwaddr memory_region_section_get_iotlb(CPUArchState *env,
+hwaddr memory_region_section_get_iotlb(CPUState *cpu,
MemoryRegionSection *section,
target_ulong vaddr,
hwaddr paddr, hwaddr xlat,
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index a387922df4..f9ac332f9d 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -44,7 +44,7 @@ struct TranslationBlock;
typedef struct TranslationBlock TranslationBlock;
/* XXX: make safe guess about sizes */
-#define MAX_OP_PER_INSTR 208
+#define MAX_OP_PER_INSTR 266
#if HOST_LONG_BITS == 32
#define MAX_OPC_PARAM_PER_ARG 2
@@ -80,16 +80,16 @@ void restore_state_to_opc(CPUArchState *env, struct TranslationBlock *tb,
void cpu_gen_init(void);
int cpu_gen_code(CPUArchState *env, struct TranslationBlock *tb,
int *gen_code_size_ptr);
-bool cpu_restore_state(CPUArchState *env, uintptr_t searched_pc);
+bool cpu_restore_state(CPUState *cpu, uintptr_t searched_pc);
void page_size_init(void);
-void QEMU_NORETURN cpu_resume_from_signal(CPUArchState *env1, void *puc);
-void QEMU_NORETURN cpu_io_recompile(CPUArchState *env, uintptr_t retaddr);
-TranslationBlock *tb_gen_code(CPUArchState *env,
+void QEMU_NORETURN cpu_resume_from_signal(CPUState *cpu, void *puc);
+void QEMU_NORETURN cpu_io_recompile(CPUState *cpu, uintptr_t retaddr);
+TranslationBlock *tb_gen_code(CPUState *cpu,
target_ulong pc, target_ulong cs_base, int flags,
int cflags);
void cpu_exec_init(CPUArchState *env);
-void QEMU_NORETURN cpu_loop_exit(CPUArchState *env1);
+void QEMU_NORETURN cpu_loop_exit(CPUState *cpu);
int page_unprotect(target_ulong address, uintptr_t pc, void *puc);
void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
int is_cpu_write_access);
@@ -98,18 +98,18 @@ void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end,
#if !defined(CONFIG_USER_ONLY)
void tcg_cpu_address_space_init(CPUState *cpu, AddressSpace *as);
/* cputlb.c */
-void tlb_flush_page(CPUArchState *env, target_ulong addr);
-void tlb_flush(CPUArchState *env, int flush_global);
-void tlb_set_page(CPUArchState *env, target_ulong vaddr,
+void tlb_flush_page(CPUState *cpu, target_ulong addr);
+void tlb_flush(CPUState *cpu, int flush_global);
+void tlb_set_page(CPUState *cpu, target_ulong vaddr,
hwaddr paddr, int prot,
int mmu_idx, target_ulong size);
void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr);
#else
-static inline void tlb_flush_page(CPUArchState *env, target_ulong addr)
+static inline void tlb_flush_page(CPUState *cpu, target_ulong addr)
{
}
-static inline void tlb_flush(CPUArchState *env, int flush_global)
+static inline void tlb_flush(CPUState *cpu, int flush_global)
{
}
#endif
@@ -332,7 +332,7 @@ bool io_mem_read(struct MemoryRegion *mr, hwaddr addr,
bool io_mem_write(struct MemoryRegion *mr, hwaddr addr,
uint64_t value, unsigned size);
-void tlb_fill(CPUArchState *env1, target_ulong addr, int is_write, int mmu_idx,
+void tlb_fill(CPUState *cpu, target_ulong addr, int is_write, int mmu_idx,
uintptr_t retaddr);
uint8_t helper_ldb_cmmu(CPUArchState *env, target_ulong addr, int mmu_idx);
@@ -380,20 +380,25 @@ extern int singlestep;
/* cpu-exec.c */
extern volatile sig_atomic_t exit_request;
-/* Deterministic execution requires that IO only be performed on the last
- instruction of a TB so that interrupts take effect immediately. */
-static inline int can_do_io(CPUArchState *env)
+/**
+ * cpu_can_do_io:
+ * @cpu: The CPU for which to check IO.
+ *
+ * Deterministic execution requires that IO only be performed on the last
+ * instruction of a TB so that interrupts take effect immediately.
+ *
+ * Returns: %true if memory-mapped IO is safe, %false otherwise.
+ */
+static inline bool cpu_can_do_io(CPUState *cpu)
{
- CPUState *cpu = ENV_GET_CPU(env);
-
if (!use_icount) {
- return 1;
+ return true;
}
/* If not executing code then assume we are ok. */
if (cpu->current_tb == NULL) {
- return 1;
+ return true;
}
- return env->can_do_io != 0;
+ return cpu->can_do_io != 0;
}
#endif
diff --git a/include/exec/gen-icount.h b/include/exec/gen-icount.h
index 39a6b61e4f..da53395de6 100644
--- a/include/exec/gen-icount.h
+++ b/include/exec/gen-icount.h
@@ -26,13 +26,15 @@ static inline void gen_tb_start(void)
icount_label = gen_new_label();
count = tcg_temp_local_new_i32();
- tcg_gen_ld_i32(count, cpu_env, offsetof(CPUArchState, icount_decr.u32));
+ tcg_gen_ld_i32(count, cpu_env,
+ -ENV_OFFSET + offsetof(CPUState, icount_decr.u32));
/* This is a horrid hack to allow fixing up the value later. */
icount_arg = tcg_ctx.gen_opparam_ptr + 1;
tcg_gen_subi_i32(count, count, 0xdeadbeef);
tcg_gen_brcondi_i32(TCG_COND_LT, count, 0, icount_label);
- tcg_gen_st16_i32(count, cpu_env, offsetof(CPUArchState, icount_decr.u16.low));
+ tcg_gen_st16_i32(count, cpu_env,
+ -ENV_OFFSET + offsetof(CPUState, icount_decr.u16.low));
tcg_temp_free_i32(count);
}
@@ -51,14 +53,14 @@ static void gen_tb_end(TranslationBlock *tb, int num_insns)
static inline void gen_io_start(void)
{
TCGv_i32 tmp = tcg_const_i32(1);
- tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUArchState, can_do_io));
+ tcg_gen_st_i32(tmp, cpu_env, -ENV_OFFSET + offsetof(CPUState, can_do_io));
tcg_temp_free_i32(tmp);
}
static inline void gen_io_end(void)
{
TCGv_i32 tmp = tcg_const_i32(0);
- tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUArchState, can_do_io));
+ tcg_gen_st_i32(tmp, cpu_env, -ENV_OFFSET + offsetof(CPUState, can_do_io));
tcg_temp_free_i32(tmp);
}
diff --git a/include/exec/softmmu_template.h b/include/exec/softmmu_template.h
index c14a04d7e9..73ed7cf921 100644
--- a/include/exec/softmmu_template.h
+++ b/include/exec/softmmu_template.h
@@ -126,12 +126,12 @@ static inline DATA_TYPE glue(io_read, SUFFIX)(CPUArchState *env,
MemoryRegion *mr = iotlb_to_region(cpu->as, physaddr);
physaddr = (physaddr & TARGET_PAGE_MASK) + addr;
- env->mem_io_pc = retaddr;
- if (mr != &io_mem_rom && mr != &io_mem_notdirty && !can_do_io(env)) {
- cpu_io_recompile(env, retaddr);
+ cpu->mem_io_pc = retaddr;
+ if (mr != &io_mem_rom && mr != &io_mem_notdirty && !cpu_can_do_io(cpu)) {
+ cpu_io_recompile(cpu, retaddr);
}
- env->mem_io_vaddr = addr;
+ cpu->mem_io_vaddr = addr;
io_mem_read(mr, physaddr, &val, 1 << SHIFT);
return val;
}
@@ -158,7 +158,7 @@ WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
do_unaligned_access(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
}
#endif
- tlb_fill(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
+ tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ;
}
@@ -240,7 +240,7 @@ WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
do_unaligned_access(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
}
#endif
- tlb_fill(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
+ tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ;
}
@@ -333,12 +333,12 @@ static inline void glue(io_write, SUFFIX)(CPUArchState *env,
MemoryRegion *mr = iotlb_to_region(cpu->as, physaddr);
physaddr = (physaddr & TARGET_PAGE_MASK) + addr;
- if (mr != &io_mem_rom && mr != &io_mem_notdirty && !can_do_io(env)) {
- cpu_io_recompile(env, retaddr);
+ if (mr != &io_mem_rom && mr != &io_mem_notdirty && !cpu_can_do_io(cpu)) {
+ cpu_io_recompile(cpu, retaddr);
}
- env->mem_io_vaddr = addr;
- env->mem_io_pc = retaddr;
+ cpu->mem_io_vaddr = addr;
+ cpu->mem_io_pc = retaddr;
io_mem_write(mr, physaddr, val, 1 << SHIFT);
}
@@ -360,7 +360,7 @@ void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
do_unaligned_access(env, addr, 1, mmu_idx, retaddr);
}
#endif
- tlb_fill(env, addr, 1, mmu_idx, retaddr);
+ tlb_fill(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
tlb_addr = env->tlb_table[mmu_idx][index].addr_write;
}
@@ -436,7 +436,7 @@ void helper_be_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
do_unaligned_access(env, addr, 1, mmu_idx, retaddr);
}
#endif
- tlb_fill(env, addr, 1, mmu_idx, retaddr);
+ tlb_fill(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
tlb_addr = env->tlb_table[mmu_idx][index].addr_write;
}
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-21 00:46:36 +0000