Merge branch 'master' of git://git.qemu.org/qemu into qom-cpu

Adapt header include paths.

Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber
2012-12-23 00:40:49 +01:00
1126 changed files with 3773 additions and 4070 deletions
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/*
* Internal memory management interfaces
*
* Copyright 2011 Red Hat, Inc. and/or its affiliates
*
* Authors:
* Avi Kivity <avi@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
*/
#ifndef EXEC_MEMORY_H
#define EXEC_MEMORY_H
/*
* Internal interfaces between memory.c/exec.c/vl.c. Do not #include unless
* you're one of them.
*/
#include "exec/memory.h"
#ifndef CONFIG_USER_ONLY
/* Get the root memory region. This interface should only be used temporarily
* until a proper bus interface is available.
*/
MemoryRegion *get_system_memory(void);
/* Get the root I/O port region. This interface should only be used
* temporarily until a proper bus interface is available.
*/
MemoryRegion *get_system_io(void);
extern AddressSpace address_space_memory;
extern AddressSpace address_space_io;
#endif
#endif
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#ifndef CPU_COMMON_H
#define CPU_COMMON_H 1
/* CPU interfaces that are target independent. */
#include "exec/hwaddr.h"
#ifndef NEED_CPU_H
#include "exec/poison.h"
#endif
#include "qemu/bswap.h"
#include "qemu/queue.h"
/**
* CPUListState:
* @cpu_fprintf: Print function.
* @file: File to print to using @cpu_fprint.
*
* State commonly used for iterating over CPU models.
*/
typedef struct CPUListState {
fprintf_function cpu_fprintf;
FILE *file;
} CPUListState;
#if !defined(CONFIG_USER_ONLY)
enum device_endian {
DEVICE_NATIVE_ENDIAN,
DEVICE_BIG_ENDIAN,
DEVICE_LITTLE_ENDIAN,
};
/* address in the RAM (different from a physical address) */
#if defined(CONFIG_XEN_BACKEND)
typedef uint64_t ram_addr_t;
# define RAM_ADDR_MAX UINT64_MAX
# define RAM_ADDR_FMT "%" PRIx64
#else
typedef uintptr_t ram_addr_t;
# define RAM_ADDR_MAX UINTPTR_MAX
# define RAM_ADDR_FMT "%" PRIxPTR
#endif
/* memory API */
typedef void CPUWriteMemoryFunc(void *opaque, hwaddr addr, uint32_t value);
typedef uint32_t CPUReadMemoryFunc(void *opaque, hwaddr addr);
void qemu_ram_remap(ram_addr_t addr, ram_addr_t length);
/* This should only be used for ram local to a device. */
void *qemu_get_ram_ptr(ram_addr_t addr);
void qemu_put_ram_ptr(void *addr);
/* This should not be used by devices. */
int qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr);
ram_addr_t qemu_ram_addr_from_host_nofail(void *ptr);
void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev);
void cpu_physical_memory_rw(hwaddr addr, uint8_t *buf,
int len, int is_write);
static inline void cpu_physical_memory_read(hwaddr addr,
void *buf, int len)
{
cpu_physical_memory_rw(addr, buf, len, 0);
}
static inline void cpu_physical_memory_write(hwaddr addr,
const void *buf, int len)
{
cpu_physical_memory_rw(addr, (void *)buf, len, 1);
}
void *cpu_physical_memory_map(hwaddr addr,
hwaddr *plen,
int is_write);
void cpu_physical_memory_unmap(void *buffer, hwaddr len,
int is_write, hwaddr access_len);
void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque));
bool cpu_physical_memory_is_io(hwaddr phys_addr);
/* Coalesced MMIO regions are areas where write operations can be reordered.
* This usually implies that write operations are side-effect free. This allows
* batching which can make a major impact on performance when using
* virtualization.
*/
void qemu_flush_coalesced_mmio_buffer(void);
uint32_t ldub_phys(hwaddr addr);
uint32_t lduw_le_phys(hwaddr addr);
uint32_t lduw_be_phys(hwaddr addr);
uint32_t ldl_le_phys(hwaddr addr);
uint32_t ldl_be_phys(hwaddr addr);
uint64_t ldq_le_phys(hwaddr addr);
uint64_t ldq_be_phys(hwaddr addr);
void stb_phys(hwaddr addr, uint32_t val);
void stw_le_phys(hwaddr addr, uint32_t val);
void stw_be_phys(hwaddr addr, uint32_t val);
void stl_le_phys(hwaddr addr, uint32_t val);
void stl_be_phys(hwaddr addr, uint32_t val);
void stq_le_phys(hwaddr addr, uint64_t val);
void stq_be_phys(hwaddr addr, uint64_t val);
#ifdef NEED_CPU_H
uint32_t lduw_phys(hwaddr addr);
uint32_t ldl_phys(hwaddr addr);
uint64_t ldq_phys(hwaddr addr);
void stl_phys_notdirty(hwaddr addr, uint32_t val);
void stq_phys_notdirty(hwaddr addr, uint64_t val);
void stw_phys(hwaddr addr, uint32_t val);
void stl_phys(hwaddr addr, uint32_t val);
void stq_phys(hwaddr addr, uint64_t val);
#endif
void cpu_physical_memory_write_rom(hwaddr addr,
const uint8_t *buf, int len);
extern struct MemoryRegion io_mem_ram;
extern struct MemoryRegion io_mem_rom;
extern struct MemoryRegion io_mem_unassigned;
extern struct MemoryRegion io_mem_notdirty;
#endif
#endif /* !CPU_COMMON_H */
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/*
* common defines for all CPUs
*
* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef CPU_DEFS_H
#define CPU_DEFS_H
#ifndef NEED_CPU_H
#error cpu.h included from common code
#endif
#include "config.h"
#include <setjmp.h>
#include <inttypes.h>
#include <signal.h>
#include "qemu/osdep.h"
#include "qemu/queue.h"
#include "exec/hwaddr.h"
#ifndef TARGET_LONG_BITS
#error TARGET_LONG_BITS must be defined before including this header
#endif
#define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8)
typedef int16_t target_short __attribute__ ((aligned(TARGET_SHORT_ALIGNMENT)));
typedef uint16_t target_ushort __attribute__((aligned(TARGET_SHORT_ALIGNMENT)));
typedef int32_t target_int __attribute__((aligned(TARGET_INT_ALIGNMENT)));
typedef uint32_t target_uint __attribute__((aligned(TARGET_INT_ALIGNMENT)));
typedef int64_t target_llong __attribute__((aligned(TARGET_LLONG_ALIGNMENT)));
typedef uint64_t target_ullong __attribute__((aligned(TARGET_LLONG_ALIGNMENT)));
/* target_ulong is the type of a virtual address */
#if TARGET_LONG_SIZE == 4
typedef int32_t target_long __attribute__((aligned(TARGET_LONG_ALIGNMENT)));
typedef uint32_t target_ulong __attribute__((aligned(TARGET_LONG_ALIGNMENT)));
#define TARGET_FMT_lx "%08x"
#define TARGET_FMT_ld "%d"
#define TARGET_FMT_lu "%u"
#elif TARGET_LONG_SIZE == 8
typedef int64_t target_long __attribute__((aligned(TARGET_LONG_ALIGNMENT)));
typedef uint64_t target_ulong __attribute__((aligned(TARGET_LONG_ALIGNMENT)));
#define TARGET_FMT_lx "%016" PRIx64
#define TARGET_FMT_ld "%" PRId64
#define TARGET_FMT_lu "%" PRIu64
#else
#error TARGET_LONG_SIZE undefined
#endif
#define EXCP_INTERRUPT 0x10000 /* async interruption */
#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)
/* 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
TLB invalidation to quickly clear a subset of the hash table. */
#define TB_JMP_PAGE_BITS (TB_JMP_CACHE_BITS / 2)
#define TB_JMP_PAGE_SIZE (1 << TB_JMP_PAGE_BITS)
#define TB_JMP_ADDR_MASK (TB_JMP_PAGE_SIZE - 1)
#define TB_JMP_PAGE_MASK (TB_JMP_CACHE_SIZE - TB_JMP_PAGE_SIZE)
#if !defined(CONFIG_USER_ONLY)
#define CPU_TLB_BITS 8
#define CPU_TLB_SIZE (1 << CPU_TLB_BITS)
#if HOST_LONG_BITS == 32 && TARGET_LONG_BITS == 32
#define CPU_TLB_ENTRY_BITS 4
#else
#define CPU_TLB_ENTRY_BITS 5
#endif
typedef struct CPUTLBEntry {
/* bit TARGET_LONG_BITS to TARGET_PAGE_BITS : virtual address
bit TARGET_PAGE_BITS-1..4 : Nonzero for accesses that should not
go directly to ram.
bit 3 : indicates that the entry is invalid
bit 2..0 : zero
*/
target_ulong addr_read;
target_ulong addr_write;
target_ulong addr_code;
/* Addend to virtual address to get host address. IO accesses
use the corresponding iotlb value. */
uintptr_t addend;
/* padding to get a power of two size */
uint8_t dummy[(1 << CPU_TLB_ENTRY_BITS) -
(sizeof(target_ulong) * 3 +
((-sizeof(target_ulong) * 3) & (sizeof(uintptr_t) - 1)) +
sizeof(uintptr_t))];
} CPUTLBEntry;
extern int CPUTLBEntry_wrong_size[sizeof(CPUTLBEntry) == (1 << CPU_TLB_ENTRY_BITS) ? 1 : -1];
#define CPU_COMMON_TLB \
/* The meaning of the MMU modes is defined in the target code. */ \
CPUTLBEntry tlb_table[NB_MMU_MODES][CPU_TLB_SIZE]; \
hwaddr iotlb[NB_MMU_MODES][CPU_TLB_SIZE]; \
target_ulong tlb_flush_addr; \
target_ulong tlb_flush_mask;
#else
#define CPU_COMMON_TLB
#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
struct qemu_work_item;
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 \
struct TranslationBlock *current_tb; /* currently executing TB */ \
/* 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 */ \
uint32_t halted; /* Nonzero if the CPU is in suspend state */ \
uint32_t interrupt_request; \
volatile sig_atomic_t exit_request; \
CPU_COMMON_TLB \
struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE]; \
/* buffer for temporaries in the code generator */ \
long temp_buf[CPU_TEMP_BUF_NLONGS]; \
\
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; \
int singlestep_enabled; \
\
QTAILQ_HEAD(watchpoints_head, CPUWatchpoint) watchpoints; \
CPUWatchpoint *watchpoint_hit; \
\
struct GDBRegisterState *gdb_regs; \
\
/* Core interrupt code */ \
jmp_buf jmp_env; \
int exception_index; \
\
CPUArchState *next_cpu; /* next CPU sharing TB cache */ \
int cpu_index; /* CPU index (informative) */ \
uint32_t host_tid; /* host thread ID */ \
int numa_node; /* NUMA node this cpu is belonging to */ \
int nr_cores; /* number of cores within this CPU package */ \
int nr_threads;/* number of threads within this CPU */ \
int running; /* Nonzero if cpu is currently running(usermode). */ \
/* user data */ \
void *opaque; \
\
const char *cpu_model_str;
#endif
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/*
* Common CPU TLB handling
*
* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef CPUTLB_H
#define CPUTLB_H
#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,
target_ulong vaddr);
void tlb_reset_dirty_range(CPUTLBEntry *tlb_entry, uintptr_t start,
uintptr_t length);
MemoryRegionSection *phys_page_find(struct AddressSpaceDispatch *d,
hwaddr index);
void cpu_tlb_reset_dirty_all(ram_addr_t start1, ram_addr_t length);
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);
hwaddr memory_region_section_get_iotlb(CPUArchState *env,
MemoryRegionSection *section,
target_ulong vaddr,
hwaddr paddr,
int prot,
target_ulong *address);
bool memory_region_is_unassigned(MemoryRegion *mr);
#endif
#endif
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/* Helper file for declaring TCG helper functions.
Should be included at the start and end of target-foo/helper.h.
Targets should use DEF_HELPER_N and DEF_HELPER_FLAGS_N to declare helper
functions. Names should be specified without the helper_ prefix, and
the return and argument types specified. 3 basic types are understood
(i32, i64 and ptr). Additional aliases are provided for convenience and
to match the types used by the C helper implementation.
The target helper.h should be included in all files that use/define
helper functions. THis will ensure that function prototypes are
consistent. In addition it should be included an extra two times for
helper.c, defining:
GEN_HELPER 1 to produce op generation functions (gen_helper_*)
GEN_HELPER 2 to do runtime registration helper functions.
*/
#ifndef DEF_HELPER_H
#define DEF_HELPER_H 1
#define HELPER(name) glue(helper_, name)
#define GET_TCGV_i32 GET_TCGV_I32
#define GET_TCGV_i64 GET_TCGV_I64
#define GET_TCGV_ptr GET_TCGV_PTR
/* Some types that make sense in C, but not for TCG. */
#define dh_alias_i32 i32
#define dh_alias_s32 i32
#define dh_alias_int i32
#define dh_alias_i64 i64
#define dh_alias_s64 i64
#define dh_alias_f32 i32
#define dh_alias_f64 i64
#if TARGET_LONG_BITS == 32
#define dh_alias_tl i32
#else
#define dh_alias_tl i64
#endif
#define dh_alias_ptr ptr
#define dh_alias_void void
#define dh_alias_noreturn noreturn
#define dh_alias_env ptr
#define dh_alias(t) glue(dh_alias_, t)
#define dh_ctype_i32 uint32_t
#define dh_ctype_s32 int32_t
#define dh_ctype_int int
#define dh_ctype_i64 uint64_t
#define dh_ctype_s64 int64_t
#define dh_ctype_f32 float32
#define dh_ctype_f64 float64
#define dh_ctype_tl target_ulong
#define dh_ctype_ptr void *
#define dh_ctype_void void
#define dh_ctype_noreturn void QEMU_NORETURN
#define dh_ctype_env CPUArchState *
#define dh_ctype(t) dh_ctype_##t
/* We can't use glue() here because it falls foul of C preprocessor
recursive expansion rules. */
#define dh_retvar_decl0_void void
#define dh_retvar_decl0_noreturn void
#define dh_retvar_decl0_i32 TCGv_i32 retval
#define dh_retvar_decl0_i64 TCGv_i64 retval
#define dh_retvar_decl0_ptr TCGv_ptr retval
#define dh_retvar_decl0(t) glue(dh_retvar_decl0_, dh_alias(t))
#define dh_retvar_decl_void
#define dh_retvar_decl_noreturn
#define dh_retvar_decl_i32 TCGv_i32 retval,
#define dh_retvar_decl_i64 TCGv_i64 retval,
#define dh_retvar_decl_ptr TCGv_ptr retval,
#define dh_retvar_decl(t) glue(dh_retvar_decl_, dh_alias(t))
#define dh_retvar_void TCG_CALL_DUMMY_ARG
#define dh_retvar_noreturn TCG_CALL_DUMMY_ARG
#define dh_retvar_i32 GET_TCGV_i32(retval)
#define dh_retvar_i64 GET_TCGV_i64(retval)
#define dh_retvar_ptr GET_TCGV_ptr(retval)
#define dh_retvar(t) glue(dh_retvar_, dh_alias(t))
#define dh_is_64bit_void 0
#define dh_is_64bit_noreturn 0
#define dh_is_64bit_i32 0
#define dh_is_64bit_i64 1
#define dh_is_64bit_ptr (TCG_TARGET_REG_BITS == 64)
#define dh_is_64bit(t) glue(dh_is_64bit_, dh_alias(t))
#define dh_is_signed_void 0
#define dh_is_signed_noreturn 0
#define dh_is_signed_i32 0
#define dh_is_signed_s32 1
#define dh_is_signed_i64 0
#define dh_is_signed_s64 1
#define dh_is_signed_f32 0
#define dh_is_signed_f64 0
#define dh_is_signed_tl 0
#define dh_is_signed_int 1
/* ??? This is highly specific to the host cpu. There are even special
extension instructions that may be required, e.g. ia64's addp4. But
for now we don't support any 64-bit targets with 32-bit pointers. */
#define dh_is_signed_ptr 0
#define dh_is_signed_env dh_is_signed_ptr
#define dh_is_signed(t) dh_is_signed_##t
#define dh_sizemask(t, n) \
sizemask |= dh_is_64bit(t) << (n*2); \
sizemask |= dh_is_signed(t) << (n*2+1)
#define dh_arg(t, n) \
args[n - 1] = glue(GET_TCGV_, dh_alias(t))(glue(arg, n)); \
dh_sizemask(t, n)
#define dh_arg_decl(t, n) glue(TCGv_, dh_alias(t)) glue(arg, n)
#define DEF_HELPER_0(name, ret) \
DEF_HELPER_FLAGS_0(name, 0, ret)
#define DEF_HELPER_1(name, ret, t1) \
DEF_HELPER_FLAGS_1(name, 0, ret, t1)
#define DEF_HELPER_2(name, ret, t1, t2) \
DEF_HELPER_FLAGS_2(name, 0, ret, t1, t2)
#define DEF_HELPER_3(name, ret, t1, t2, t3) \
DEF_HELPER_FLAGS_3(name, 0, ret, t1, t2, t3)
#define DEF_HELPER_4(name, ret, t1, t2, t3, t4) \
DEF_HELPER_FLAGS_4(name, 0, ret, t1, t2, t3, t4)
#define DEF_HELPER_5(name, ret, t1, t2, t3, t4, t5) \
DEF_HELPER_FLAGS_5(name, 0, ret, t1, t2, t3, t4, t5)
/* MAX_OPC_PARAM_IARGS must be set to n if last entry is DEF_HELPER_FLAGS_n. */
#endif /* DEF_HELPER_H */
#ifndef GEN_HELPER
/* Function prototypes. */
#define DEF_HELPER_FLAGS_0(name, flags, ret) \
dh_ctype(ret) HELPER(name) (void);
#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \
dh_ctype(ret) HELPER(name) (dh_ctype(t1));
#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2));
#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \
dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3));
#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \
dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \
dh_ctype(t4));
#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \
dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \
dh_ctype(t4), dh_ctype(t5));
#undef GEN_HELPER
#define GEN_HELPER -1
#elif GEN_HELPER == 1
/* Gen functions. */
#define DEF_HELPER_FLAGS_0(name, flags, ret) \
static inline void glue(gen_helper_, name)(dh_retvar_decl0(ret)) \
{ \
int sizemask; \
sizemask = dh_is_64bit(ret); \
tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 0, NULL); \
}
#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) dh_arg_decl(t1, 1)) \
{ \
TCGArg args[1]; \
int sizemask = 0; \
dh_sizemask(ret, 0); \
dh_arg(t1, 1); \
tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 1, args); \
}
#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) dh_arg_decl(t1, 1), \
dh_arg_decl(t2, 2)) \
{ \
TCGArg args[2]; \
int sizemask = 0; \
dh_sizemask(ret, 0); \
dh_arg(t1, 1); \
dh_arg(t2, 2); \
tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 2, args); \
}
#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) dh_arg_decl(t1, 1), \
dh_arg_decl(t2, 2), dh_arg_decl(t3, 3)) \
{ \
TCGArg args[3]; \
int sizemask = 0; \
dh_sizemask(ret, 0); \
dh_arg(t1, 1); \
dh_arg(t2, 2); \
dh_arg(t3, 3); \
tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 3, args); \
}
#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) dh_arg_decl(t1, 1), \
dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), dh_arg_decl(t4, 4)) \
{ \
TCGArg args[4]; \
int sizemask = 0; \
dh_sizemask(ret, 0); \
dh_arg(t1, 1); \
dh_arg(t2, 2); \
dh_arg(t3, 3); \
dh_arg(t4, 4); \
tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 4, args); \
}
#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \
dh_arg_decl(t4, 4), dh_arg_decl(t5, 5)) \
{ \
TCGArg args[5]; \
int sizemask = 0; \
dh_sizemask(ret, 0); \
dh_arg(t1, 1); \
dh_arg(t2, 2); \
dh_arg(t3, 3); \
dh_arg(t4, 4); \
dh_arg(t5, 5); \
tcg_gen_helperN(HELPER(name), flags, sizemask, dh_retvar(ret), 5, args); \
}
#undef GEN_HELPER
#define GEN_HELPER -1
#elif GEN_HELPER == 2
/* Register helpers. */
#define DEF_HELPER_FLAGS_0(name, flags, ret) \
tcg_register_helper(HELPER(name), #name);
#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \
DEF_HELPER_FLAGS_0(name, flags, ret)
#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
DEF_HELPER_FLAGS_0(name, flags, ret)
#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \
DEF_HELPER_FLAGS_0(name, flags, ret)
#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \
DEF_HELPER_FLAGS_0(name, flags, ret)
#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \
DEF_HELPER_FLAGS_0(name, flags, ret)
#undef GEN_HELPER
#define GEN_HELPER -1
#elif GEN_HELPER == -1
/* Undefine macros. */
#undef DEF_HELPER_FLAGS_0
#undef DEF_HELPER_FLAGS_1
#undef DEF_HELPER_FLAGS_2
#undef DEF_HELPER_FLAGS_3
#undef DEF_HELPER_FLAGS_4
#undef DEF_HELPER_FLAGS_5
#undef GEN_HELPER
#endif
+412
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@@ -0,0 +1,412 @@
/*
* internal execution defines for qemu
*
* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef _EXEC_ALL_H_
#define _EXEC_ALL_H_
#include "qemu-common.h"
/* allow to see translation results - the slowdown should be negligible, so we leave it */
#define DEBUG_DISAS
/* Page tracking code uses ram addresses in system mode, and virtual
addresses in userspace mode. Define tb_page_addr_t to be an appropriate
type. */
#if defined(CONFIG_USER_ONLY)
typedef abi_ulong tb_page_addr_t;
#else
typedef ram_addr_t tb_page_addr_t;
#endif
/* is_jmp field values */
#define DISAS_NEXT 0 /* next instruction can be analyzed */
#define DISAS_JUMP 1 /* only pc was modified dynamically */
#define DISAS_UPDATE 2 /* cpu state was modified dynamically */
#define DISAS_TB_JUMP 3 /* only pc was modified statically */
struct TranslationBlock;
typedef struct TranslationBlock TranslationBlock;
/* XXX: make safe guess about sizes */
#define MAX_OP_PER_INSTR 208
#if HOST_LONG_BITS == 32
#define MAX_OPC_PARAM_PER_ARG 2
#else
#define MAX_OPC_PARAM_PER_ARG 1
#endif
#define MAX_OPC_PARAM_IARGS 5
#define MAX_OPC_PARAM_OARGS 1
#define MAX_OPC_PARAM_ARGS (MAX_OPC_PARAM_IARGS + MAX_OPC_PARAM_OARGS)
/* A Call op needs up to 4 + 2N parameters on 32-bit archs,
* and up to 4 + N parameters on 64-bit archs
* (N = number of input arguments + output arguments). */
#define MAX_OPC_PARAM (4 + (MAX_OPC_PARAM_PER_ARG * MAX_OPC_PARAM_ARGS))
#define OPC_BUF_SIZE 640
#define OPC_MAX_SIZE (OPC_BUF_SIZE - MAX_OP_PER_INSTR)
/* Maximum size a TCG op can expand to. This is complicated because a
single op may require several host instructions and register reloads.
For now take a wild guess at 192 bytes, which should allow at least
a couple of fixup instructions per argument. */
#define TCG_MAX_OP_SIZE 192
#define OPPARAM_BUF_SIZE (OPC_BUF_SIZE * MAX_OPC_PARAM)
#include "qemu/log.h"
void gen_intermediate_code(CPUArchState *env, struct TranslationBlock *tb);
void gen_intermediate_code_pc(CPUArchState *env, struct TranslationBlock *tb);
void restore_state_to_opc(CPUArchState *env, struct TranslationBlock *tb,
int pc_pos);
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);
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,
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);
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);
void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end,
int is_cpu_write_access);
#if !defined(CONFIG_USER_ONLY)
/* 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,
hwaddr paddr, int prot,
int mmu_idx, target_ulong size);
void tb_invalidate_phys_addr(hwaddr addr);
#else
static inline void tlb_flush_page(CPUArchState *env, target_ulong addr)
{
}
static inline void tlb_flush(CPUArchState *env, int flush_global)
{
}
#endif
#define CODE_GEN_ALIGN 16 /* must be >= of the size of a icache line */
#define CODE_GEN_PHYS_HASH_BITS 15
#define CODE_GEN_PHYS_HASH_SIZE (1 << CODE_GEN_PHYS_HASH_BITS)
/* estimated block size for TB allocation */
/* XXX: use a per code average code fragment size and modulate it
according to the host CPU */
#if defined(CONFIG_SOFTMMU)
#define CODE_GEN_AVG_BLOCK_SIZE 128
#else
#define CODE_GEN_AVG_BLOCK_SIZE 64
#endif
#if defined(__arm__) || defined(_ARCH_PPC) \
|| defined(__x86_64__) || defined(__i386__) \
|| defined(__sparc__) \
|| defined(CONFIG_TCG_INTERPRETER)
#define USE_DIRECT_JUMP
#endif
struct TranslationBlock {
target_ulong pc; /* simulated PC corresponding to this block (EIP + CS base) */
target_ulong cs_base; /* CS base for this block */
uint64_t flags; /* flags defining in which context the code was generated */
uint16_t size; /* size of target code for this block (1 <=
size <= TARGET_PAGE_SIZE) */
uint16_t cflags; /* compile flags */
#define CF_COUNT_MASK 0x7fff
#define CF_LAST_IO 0x8000 /* Last insn may be an IO access. */
uint8_t *tc_ptr; /* pointer to the translated code */
/* next matching tb for physical address. */
struct TranslationBlock *phys_hash_next;
/* first and second physical page containing code. The lower bit
of the pointer tells the index in page_next[] */
struct TranslationBlock *page_next[2];
tb_page_addr_t page_addr[2];
/* the following data are used to directly call another TB from
the code of this one. */
uint16_t tb_next_offset[2]; /* offset of original jump target */
#ifdef USE_DIRECT_JUMP
uint16_t tb_jmp_offset[2]; /* offset of jump instruction */
#else
uintptr_t tb_next[2]; /* address of jump generated code */
#endif
/* list of TBs jumping to this one. This is a circular list using
the two least significant bits of the pointers to tell what is
the next pointer: 0 = jmp_next[0], 1 = jmp_next[1], 2 =
jmp_first */
struct TranslationBlock *jmp_next[2];
struct TranslationBlock *jmp_first;
uint32_t icount;
};
static inline unsigned int tb_jmp_cache_hash_page(target_ulong pc)
{
target_ulong tmp;
tmp = pc ^ (pc >> (TARGET_PAGE_BITS - TB_JMP_PAGE_BITS));
return (tmp >> (TARGET_PAGE_BITS - TB_JMP_PAGE_BITS)) & TB_JMP_PAGE_MASK;
}
static inline unsigned int tb_jmp_cache_hash_func(target_ulong pc)
{
target_ulong tmp;
tmp = pc ^ (pc >> (TARGET_PAGE_BITS - TB_JMP_PAGE_BITS));
return (((tmp >> (TARGET_PAGE_BITS - TB_JMP_PAGE_BITS)) & TB_JMP_PAGE_MASK)
| (tmp & TB_JMP_ADDR_MASK));
}
static inline unsigned int tb_phys_hash_func(tb_page_addr_t pc)
{
return (pc >> 2) & (CODE_GEN_PHYS_HASH_SIZE - 1);
}
void tb_free(TranslationBlock *tb);
void tb_flush(CPUArchState *env);
void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr);
extern TranslationBlock *tb_phys_hash[CODE_GEN_PHYS_HASH_SIZE];
#if defined(USE_DIRECT_JUMP)
#if defined(CONFIG_TCG_INTERPRETER)
static inline void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr)
{
/* patch the branch destination */
*(uint32_t *)jmp_addr = addr - (jmp_addr + 4);
/* no need to flush icache explicitly */
}
#elif defined(_ARCH_PPC)
void ppc_tb_set_jmp_target(unsigned long jmp_addr, unsigned long addr);
#define tb_set_jmp_target1 ppc_tb_set_jmp_target
#elif defined(__i386__) || defined(__x86_64__)
static inline void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr)
{
/* patch the branch destination */
*(uint32_t *)jmp_addr = addr - (jmp_addr + 4);
/* no need to flush icache explicitly */
}
#elif defined(__arm__)
static inline void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr)
{
#if !QEMU_GNUC_PREREQ(4, 1)
register unsigned long _beg __asm ("a1");
register unsigned long _end __asm ("a2");
register unsigned long _flg __asm ("a3");
#endif
/* we could use a ldr pc, [pc, #-4] kind of branch and avoid the flush */
*(uint32_t *)jmp_addr =
(*(uint32_t *)jmp_addr & ~0xffffff)
| (((addr - (jmp_addr + 8)) >> 2) & 0xffffff);
#if QEMU_GNUC_PREREQ(4, 1)
__builtin___clear_cache((char *) jmp_addr, (char *) jmp_addr + 4);
#else
/* flush icache */
_beg = jmp_addr;
_end = jmp_addr + 4;
_flg = 0;
__asm __volatile__ ("swi 0x9f0002" : : "r" (_beg), "r" (_end), "r" (_flg));
#endif
}
#elif defined(__sparc__)
void tb_set_jmp_target1(uintptr_t jmp_addr, uintptr_t addr);
#else
#error tb_set_jmp_target1 is missing
#endif
static inline void tb_set_jmp_target(TranslationBlock *tb,
int n, uintptr_t addr)
{
uint16_t offset = tb->tb_jmp_offset[n];
tb_set_jmp_target1((uintptr_t)(tb->tc_ptr + offset), addr);
}
#else
/* set the jump target */
static inline void tb_set_jmp_target(TranslationBlock *tb,
int n, uintptr_t addr)
{
tb->tb_next[n] = addr;
}
#endif
static inline void tb_add_jump(TranslationBlock *tb, int n,
TranslationBlock *tb_next)
{
/* NOTE: this test is only needed for thread safety */
if (!tb->jmp_next[n]) {
/* patch the native jump address */
tb_set_jmp_target(tb, n, (uintptr_t)tb_next->tc_ptr);
/* add in TB jmp circular list */
tb->jmp_next[n] = tb_next->jmp_first;
tb_next->jmp_first = (TranslationBlock *)((uintptr_t)(tb) | (n));
}
}
#include "exec/spinlock.h"
extern spinlock_t tb_lock;
extern int tb_invalidated_flag;
/* The return address may point to the start of the next instruction.
Subtracting one gets us the call instruction itself. */
#if defined(CONFIG_TCG_INTERPRETER)
/* Softmmu, Alpha, MIPS, SH4 and SPARC user mode emulations call GETPC().
For all others, GETPC remains undefined (which makes TCI a little faster. */
# if defined(CONFIG_SOFTMMU) || \
defined(TARGET_ALPHA) || defined(TARGET_MIPS) || \
defined(TARGET_SH4) || defined(TARGET_SPARC)
extern uintptr_t tci_tb_ptr;
# define GETPC() tci_tb_ptr
# endif
#elif defined(__s390__) && !defined(__s390x__)
# define GETPC() \
(((uintptr_t)__builtin_return_address(0) & 0x7fffffffUL) - 1)
#elif defined(__arm__)
/* Thumb return addresses have the low bit set, so we need to subtract two.
This is still safe in ARM mode because instructions are 4 bytes. */
# define GETPC() ((uintptr_t)__builtin_return_address(0) - 2)
#else
# define GETPC() ((uintptr_t)__builtin_return_address(0) - 1)
#endif
#if defined(CONFIG_QEMU_LDST_OPTIMIZATION) && defined(CONFIG_SOFTMMU)
/* qemu_ld/st optimization split code generation to fast and slow path, thus,
it needs special handling for an MMU helper which is called from the slow
path, to get the fast path's pc without any additional argument.
It uses a tricky solution which embeds the fast path pc into the slow path.
Code flow in slow path:
(1) pre-process
(2) call MMU helper
(3) jump to (5)
(4) fast path information (implementation specific)
(5) post-process (e.g. stack adjust)
(6) jump to corresponding code of the next of fast path
*/
# if defined(__i386__) || defined(__x86_64__)
/* To avoid broken disassembling, long jmp is used for embedding fast path pc,
so that the destination is the next code of fast path, though this jmp is
never executed.
call MMU helper
jmp POST_PROC (2byte) <- GETRA()
jmp NEXT_CODE (5byte)
POST_PROCESS ... <- GETRA() + 7
*/
# define GETRA() ((uintptr_t)__builtin_return_address(0))
# define GETPC_LDST() ((uintptr_t)(GETRA() + 7 + \
*(int32_t *)((void *)GETRA() + 3) - 1))
# elif defined (_ARCH_PPC) && !defined (_ARCH_PPC64)
# define GETRA() ((uintptr_t)__builtin_return_address(0))
# define GETPC_LDST() ((uintptr_t) ((*(int32_t *)(GETRA() - 4)) - 1))
# else
# error "CONFIG_QEMU_LDST_OPTIMIZATION needs GETPC_LDST() implementation!"
# endif
bool is_tcg_gen_code(uintptr_t pc_ptr);
# define GETPC_EXT() (is_tcg_gen_code(GETRA()) ? GETPC_LDST() : GETPC())
#else
# define GETPC_EXT() GETPC()
#endif
#if !defined(CONFIG_USER_ONLY)
struct MemoryRegion *iotlb_to_region(hwaddr index);
uint64_t io_mem_read(struct MemoryRegion *mr, hwaddr addr,
unsigned size);
void 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,
uintptr_t retaddr);
#include "exec/softmmu_defs.h"
#define ACCESS_TYPE (NB_MMU_MODES + 1)
#define MEMSUFFIX _code
#define DATA_SIZE 1
#include "exec/softmmu_header.h"
#define DATA_SIZE 2
#include "exec/softmmu_header.h"
#define DATA_SIZE 4
#include "exec/softmmu_header.h"
#define DATA_SIZE 8
#include "exec/softmmu_header.h"
#undef ACCESS_TYPE
#undef MEMSUFFIX
#endif
#if defined(CONFIG_USER_ONLY)
static inline tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong addr)
{
return addr;
}
#else
/* cputlb.c */
tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong addr);
#endif
typedef void (CPUDebugExcpHandler)(CPUArchState *env);
void cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler);
/* vl.c */
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)
{
if (!use_icount) {
return 1;
}
/* If not executing code then assume we are ok. */
if (!env->current_tb) {
return 1;
}
return env->can_do_io != 0;
}
#endif
+53
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#ifndef GDBSTUB_H
#define GDBSTUB_H
#define DEFAULT_GDBSTUB_PORT "1234"
/* GDB breakpoint/watchpoint types */
#define GDB_BREAKPOINT_SW 0
#define GDB_BREAKPOINT_HW 1
#define GDB_WATCHPOINT_WRITE 2
#define GDB_WATCHPOINT_READ 3
#define GDB_WATCHPOINT_ACCESS 4
#ifdef NEED_CPU_H
typedef void (*gdb_syscall_complete_cb)(CPUArchState *env,
target_ulong ret, target_ulong err);
void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...);
int use_gdb_syscalls(void);
void gdb_set_stop_cpu(CPUArchState *env);
void gdb_exit(CPUArchState *, int);
#ifdef CONFIG_USER_ONLY
int gdb_queuesig (void);
int gdb_handlesig (CPUArchState *, int);
void gdb_signalled(CPUArchState *, int);
void gdbserver_fork(CPUArchState *);
#endif
/* Get or set a register. Returns the size of the register. */
typedef int (*gdb_reg_cb)(CPUArchState *env, uint8_t *buf, int reg);
void gdb_register_coprocessor(CPUArchState *env,
gdb_reg_cb get_reg, gdb_reg_cb set_reg,
int num_regs, const char *xml, int g_pos);
static inline int cpu_index(CPUArchState *env)
{
#if defined(CONFIG_USER_ONLY) && defined(CONFIG_USE_NPTL)
return env->host_tid;
#else
return env->cpu_index + 1;
#endif
}
#endif
#ifdef CONFIG_USER_ONLY
int gdbserver_start(int);
#else
int gdbserver_start(const char *port);
#endif
/* in gdbstub-xml.c, generated by scripts/feature_to_c.sh */
extern const char *const xml_builtin[][2];
#endif
+53
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@@ -0,0 +1,53 @@
#ifndef GEN_ICOUNT_H
#define GEN_ICOUNT_H 1
#include "qemu/timer.h"
/* Helpers for instruction counting code generation. */
static TCGArg *icount_arg;
static int icount_label;
static inline void gen_icount_start(void)
{
TCGv_i32 count;
if (!use_icount)
return;
icount_label = gen_new_label();
count = tcg_temp_local_new_i32();
tcg_gen_ld_i32(count, cpu_env, offsetof(CPUArchState, 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_temp_free_i32(count);
}
static void gen_icount_end(TranslationBlock *tb, int num_insns)
{
if (use_icount) {
*icount_arg = num_insns;
gen_set_label(icount_label);
tcg_gen_exit_tb((tcg_target_long)tb + 2);
}
}
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_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_temp_free_i32(tmp);
}
#endif
+24
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@@ -0,0 +1,24 @@
/* Define hwaddr if it exists. */
#ifndef HWADDR_H
#define HWADDR_H
#ifndef CONFIG_USER_ONLY
#define HWADDR_BITS 64
/* hwaddr is the type of a physical address (its size can
be different from 'target_ulong'). */
typedef uint64_t hwaddr;
#define HWADDR_MAX UINT64_MAX
#define TARGET_FMT_plx "%016" PRIx64
#define HWADDR_PRId PRId64
#define HWADDR_PRIi PRIi64
#define HWADDR_PRIo PRIo64
#define HWADDR_PRIu PRIu64
#define HWADDR_PRIx PRIx64
#define HWADDR_PRIX PRIX64
#endif
#endif
+78
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@@ -0,0 +1,78 @@
/*
* defines ioport related functions
*
* 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 <http://www.gnu.org/licenses/>.
*/
/**************************************************************************
* IO ports API
*/
#ifndef IOPORT_H
#define IOPORT_H
#include "qemu-common.h"
#include "exec/iorange.h"
typedef uint32_t pio_addr_t;
#define FMT_pioaddr PRIx32
#define MAX_IOPORTS (64 * 1024)
#define IOPORTS_MASK (MAX_IOPORTS - 1)
/* These should really be in isa.h, but are here to make pc.h happy. */
typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
typedef void (IOPortDestructor)(void *opaque);
void ioport_register(IORange *iorange);
int register_ioport_read(pio_addr_t start, int length, int size,
IOPortReadFunc *func, void *opaque);
int register_ioport_write(pio_addr_t start, int length, int size,
IOPortWriteFunc *func, void *opaque);
void isa_unassign_ioport(pio_addr_t start, int length);
bool isa_is_ioport_assigned(pio_addr_t start);
void cpu_outb(pio_addr_t addr, uint8_t val);
void cpu_outw(pio_addr_t addr, uint16_t val);
void cpu_outl(pio_addr_t addr, uint32_t val);
uint8_t cpu_inb(pio_addr_t addr);
uint16_t cpu_inw(pio_addr_t addr);
uint32_t cpu_inl(pio_addr_t addr);
struct MemoryRegion;
struct MemoryRegionPortio;
typedef struct PortioList {
const struct MemoryRegionPortio *ports;
struct MemoryRegion *address_space;
unsigned nr;
struct MemoryRegion **regions;
struct MemoryRegion **aliases;
void *opaque;
const char *name;
} PortioList;
void portio_list_init(PortioList *piolist,
const struct MemoryRegionPortio *callbacks,
void *opaque, const char *name);
void portio_list_destroy(PortioList *piolist);
void portio_list_add(PortioList *piolist,
struct MemoryRegion *address_space,
uint32_t addr);
void portio_list_del(PortioList *piolist);
#endif /* IOPORT_H */
+31
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#ifndef IORANGE_H
#define IORANGE_H
#include <stdint.h>
typedef struct IORange IORange;
typedef struct IORangeOps IORangeOps;
struct IORangeOps {
void (*read)(IORange *iorange, uint64_t offset, unsigned width,
uint64_t *data);
void (*write)(IORange *iorange, uint64_t offset, unsigned width,
uint64_t data);
void (*destructor)(IORange *iorange);
};
struct IORange {
const IORangeOps *ops;
uint64_t base;
uint64_t len;
};
static inline void iorange_init(IORange *iorange, const IORangeOps *ops,
uint64_t base, uint64_t len)
{
iorange->ops = ops;
iorange->base = base;
iorange->len = len;
}
#endif
+141
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/*
* Declarations for obsolete exec.c functions
*
* Copyright 2011 Red Hat, Inc. and/or its affiliates
*
* Authors:
* Avi Kivity <avi@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or
* later. See the COPYING file in the top-level directory.
*
*/
/*
* This header is for use by exec.c and memory.c ONLY. Do not include it.
* The functions declared here will be removed soon.
*/
#ifndef MEMORY_INTERNAL_H
#define MEMORY_INTERNAL_H
#ifndef CONFIG_USER_ONLY
#include "hw/xen.h"
typedef struct PhysPageEntry PhysPageEntry;
struct PhysPageEntry {
uint16_t is_leaf : 1;
/* index into phys_sections (is_leaf) or phys_map_nodes (!is_leaf) */
uint16_t ptr : 15;
};
typedef struct AddressSpaceDispatch AddressSpaceDispatch;
struct AddressSpaceDispatch {
/* This is a multi-level map on the physical address space.
* The bottom level has pointers to MemoryRegionSections.
*/
PhysPageEntry phys_map;
MemoryListener listener;
};
void address_space_init_dispatch(AddressSpace *as);
void address_space_destroy_dispatch(AddressSpace *as);
ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host,
MemoryRegion *mr);
ram_addr_t qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr);
void qemu_ram_free(ram_addr_t addr);
void qemu_ram_free_from_ptr(ram_addr_t addr);
struct MemoryRegion;
struct MemoryRegionSection;
void qemu_register_coalesced_mmio(hwaddr addr, ram_addr_t size);
void qemu_unregister_coalesced_mmio(hwaddr addr, ram_addr_t size);
#define VGA_DIRTY_FLAG 0x01
#define CODE_DIRTY_FLAG 0x02
#define MIGRATION_DIRTY_FLAG 0x08
static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
{
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
}
/* read dirty bit (return 0 or 1) */
static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
{
return cpu_physical_memory_get_dirty_flags(addr) == 0xff;
}
static inline int cpu_physical_memory_get_dirty(ram_addr_t start,
ram_addr_t length,
int dirty_flags)
{
int ret = 0;
ram_addr_t addr, end;
end = TARGET_PAGE_ALIGN(start + length);
start &= TARGET_PAGE_MASK;
for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
ret |= cpu_physical_memory_get_dirty_flags(addr) & dirty_flags;
}
return ret;
}
static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr,
int dirty_flags)
{
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags;
}
static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
{
cpu_physical_memory_set_dirty_flags(addr, 0xff);
}
static inline int cpu_physical_memory_clear_dirty_flags(ram_addr_t addr,
int dirty_flags)
{
int mask = ~dirty_flags;
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] &= mask;
}
static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start,
ram_addr_t length,
int dirty_flags)
{
ram_addr_t addr, end;
end = TARGET_PAGE_ALIGN(start + length);
start &= TARGET_PAGE_MASK;
for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
cpu_physical_memory_set_dirty_flags(addr, dirty_flags);
}
xen_modified_memory(addr, length);
}
static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start,
ram_addr_t length,
int dirty_flags)
{
ram_addr_t addr, end;
end = TARGET_PAGE_ALIGN(start + length);
start &= TARGET_PAGE_MASK;
for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
cpu_physical_memory_clear_dirty_flags(addr, dirty_flags);
}
}
void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
int dirty_flags);
extern const IORangeOps memory_region_iorange_ops;
#endif
#endif
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/* Poison identifiers that should not be used when building
target independent device code. */
#ifndef HW_POISON_H
#define HW_POISON_H
#ifdef __GNUC__
#pragma GCC poison TARGET_I386
#pragma GCC poison TARGET_X86_64
#pragma GCC poison TARGET_ALPHA
#pragma GCC poison TARGET_ARM
#pragma GCC poison TARGET_CRIS
#pragma GCC poison TARGET_LM32
#pragma GCC poison TARGET_M68K
#pragma GCC poison TARGET_MIPS
#pragma GCC poison TARGET_MIPS64
#pragma GCC poison TARGET_OPENRISC
#pragma GCC poison TARGET_PPC
#pragma GCC poison TARGET_PPCEMB
#pragma GCC poison TARGET_PPC64
#pragma GCC poison TARGET_ABI32
#pragma GCC poison TARGET_SH4
#pragma GCC poison TARGET_SPARC
#pragma GCC poison TARGET_SPARC64
#pragma GCC poison TARGET_WORDS_BIGENDIAN
#pragma GCC poison BSWAP_NEEDED
#pragma GCC poison TARGET_LONG_BITS
#pragma GCC poison TARGET_FMT_lx
#pragma GCC poison TARGET_FMT_ld
#pragma GCC poison TARGET_PAGE_SIZE
#pragma GCC poison TARGET_PAGE_MASK
#pragma GCC poison TARGET_PAGE_BITS
#pragma GCC poison TARGET_PAGE_ALIGN
#pragma GCC poison CPUArchState
#pragma GCC poison env
#pragma GCC poison lduw_phys
#pragma GCC poison ldl_phys
#pragma GCC poison ldq_phys
#pragma GCC poison stl_phys_notdirty
#pragma GCC poison stq_phys_notdirty
#pragma GCC poison stw_phys
#pragma GCC poison stl_phys
#pragma GCC poison stq_phys
#pragma GCC poison CPU_INTERRUPT_HARD
#pragma GCC poison CPU_INTERRUPT_EXITTB
#pragma GCC poison CPU_INTERRUPT_HALT
#pragma GCC poison CPU_INTERRUPT_DEBUG
#pragma GCC poison CPU_INTERRUPT_TGT_EXT_0
#pragma GCC poison CPU_INTERRUPT_TGT_EXT_1
#pragma GCC poison CPU_INTERRUPT_TGT_EXT_2
#pragma GCC poison CPU_INTERRUPT_TGT_EXT_3
#pragma GCC poison CPU_INTERRUPT_TGT_EXT_4
#pragma GCC poison CPU_INTERRUPT_TGT_INT_0
#pragma GCC poison CPU_INTERRUPT_TGT_INT_1
#pragma GCC poison CPU_INTERRUPT_TGT_INT_2
#endif
#endif
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/*
* Helper routines to provide target memory access for semihosting
* syscalls in system emulation mode.
*
* Copyright (c) 2007 CodeSourcery.
*
* This code is licensed under the GPL
*/
#ifndef SOFTMMU_SEMI_H
#define SOFTMMU_SEMI_H 1
static inline uint32_t softmmu_tget32(CPUArchState *env, uint32_t addr)
{
uint32_t val;
cpu_memory_rw_debug(env, addr, (uint8_t *)&val, 4, 0);
return tswap32(val);
}
static inline uint32_t softmmu_tget8(CPUArchState *env, uint32_t addr)
{
uint8_t val;
cpu_memory_rw_debug(env, addr, &val, 1, 0);
return val;
}
#define get_user_u32(arg, p) ({ arg = softmmu_tget32(env, p) ; 0; })
#define get_user_u8(arg, p) ({ arg = softmmu_tget8(env, p) ; 0; })
#define get_user_ual(arg, p) get_user_u32(arg, p)
static inline void softmmu_tput32(CPUArchState *env, uint32_t addr, uint32_t val)
{
val = tswap32(val);
cpu_memory_rw_debug(env, addr, (uint8_t *)&val, 4, 1);
}
#define put_user_u32(arg, p) ({ softmmu_tput32(env, p, arg) ; 0; })
#define put_user_ual(arg, p) put_user_u32(arg, p)
static void *softmmu_lock_user(CPUArchState *env, uint32_t addr, uint32_t len,
int copy)
{
uint8_t *p;
/* TODO: Make this something that isn't fixed size. */
p = malloc(len);
if (p && copy)
cpu_memory_rw_debug(env, addr, p, len, 0);
return p;
}
#define lock_user(type, p, len, copy) softmmu_lock_user(env, p, len, copy)
static char *softmmu_lock_user_string(CPUArchState *env, uint32_t addr)
{
char *p;
char *s;
uint8_t c;
/* TODO: Make this something that isn't fixed size. */
s = p = malloc(1024);
if (!s) {
return NULL;
}
do {
cpu_memory_rw_debug(env, addr, &c, 1, 0);
addr++;
*(p++) = c;
} while (c);
return s;
}
#define lock_user_string(p) softmmu_lock_user_string(env, p)
static void softmmu_unlock_user(CPUArchState *env, void *p, target_ulong addr,
target_ulong len)
{
if (len)
cpu_memory_rw_debug(env, addr, p, len, 1);
free(p);
}
#define unlock_user(s, args, len) softmmu_unlock_user(env, s, args, len)
#endif
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/*
* Software MMU support
*
* Declare helpers used by TCG for qemu_ld/st ops.
*
* Used by softmmu_exec.h, TCG targets and exec-all.h.
*
*/
#ifndef SOFTMMU_DEFS_H
#define SOFTMMU_DEFS_H
uint8_t helper_ldb_mmu(CPUArchState *env, target_ulong addr, int mmu_idx);
void helper_stb_mmu(CPUArchState *env, target_ulong addr, uint8_t val,
int mmu_idx);
uint16_t helper_ldw_mmu(CPUArchState *env, target_ulong addr, int mmu_idx);
void helper_stw_mmu(CPUArchState *env, target_ulong addr, uint16_t val,
int mmu_idx);
uint32_t helper_ldl_mmu(CPUArchState *env, target_ulong addr, int mmu_idx);
void helper_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
int mmu_idx);
uint64_t helper_ldq_mmu(CPUArchState *env, target_ulong addr, int mmu_idx);
void helper_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val,
int mmu_idx);
uint8_t helper_ldb_cmmu(CPUArchState *env, target_ulong addr, int mmu_idx);
void helper_stb_cmmu(CPUArchState *env, target_ulong addr, uint8_t val,
int mmu_idx);
uint16_t helper_ldw_cmmu(CPUArchState *env, target_ulong addr, int mmu_idx);
void helper_stw_cmmu(CPUArchState *env, target_ulong addr, uint16_t val,
int mmu_idx);
uint32_t helper_ldl_cmmu(CPUArchState *env, target_ulong addr, int mmu_idx);
void helper_stl_cmmu(CPUArchState *env, target_ulong addr, uint32_t val,
int mmu_idx);
uint64_t helper_ldq_cmmu(CPUArchState *env, target_ulong addr, int mmu_idx);
void helper_stq_cmmu(CPUArchState *env, target_ulong addr, uint64_t val,
int mmu_idx);
#endif
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/*
* Software MMU support
*
* Generate inline load/store functions for all MMU modes (typically
* at least _user and _kernel) as well as _data versions, for all data
* sizes.
*
* Used by target op helpers.
*
* MMU mode suffixes are defined in target cpu.h.
*/
/* XXX: find something cleaner.
* Furthermore, this is false for 64 bits targets
*/
#define ldul_user ldl_user
#define ldul_kernel ldl_kernel
#define ldul_hypv ldl_hypv
#define ldul_executive ldl_executive
#define ldul_supervisor ldl_supervisor
#include "exec/softmmu_defs.h"
#define ACCESS_TYPE 0
#define MEMSUFFIX MMU_MODE0_SUFFIX
#define DATA_SIZE 1
#include "exec/softmmu_header.h"
#define DATA_SIZE 2
#include "exec/softmmu_header.h"
#define DATA_SIZE 4
#include "exec/softmmu_header.h"
#define DATA_SIZE 8
#include "exec/softmmu_header.h"
#undef ACCESS_TYPE
#undef MEMSUFFIX
#define ACCESS_TYPE 1
#define MEMSUFFIX MMU_MODE1_SUFFIX
#define DATA_SIZE 1
#include "exec/softmmu_header.h"
#define DATA_SIZE 2
#include "exec/softmmu_header.h"
#define DATA_SIZE 4
#include "exec/softmmu_header.h"
#define DATA_SIZE 8
#include "exec/softmmu_header.h"
#undef ACCESS_TYPE
#undef MEMSUFFIX
#if (NB_MMU_MODES >= 3)
#define ACCESS_TYPE 2
#define MEMSUFFIX MMU_MODE2_SUFFIX
#define DATA_SIZE 1
#include "exec/softmmu_header.h"
#define DATA_SIZE 2
#include "exec/softmmu_header.h"
#define DATA_SIZE 4
#include "exec/softmmu_header.h"
#define DATA_SIZE 8
#include "exec/softmmu_header.h"
#undef ACCESS_TYPE
#undef MEMSUFFIX
#endif /* (NB_MMU_MODES >= 3) */
#if (NB_MMU_MODES >= 4)
#define ACCESS_TYPE 3
#define MEMSUFFIX MMU_MODE3_SUFFIX
#define DATA_SIZE 1
#include "exec/softmmu_header.h"
#define DATA_SIZE 2
#include "exec/softmmu_header.h"
#define DATA_SIZE 4
#include "exec/softmmu_header.h"
#define DATA_SIZE 8
#include "exec/softmmu_header.h"
#undef ACCESS_TYPE
#undef MEMSUFFIX
#endif /* (NB_MMU_MODES >= 4) */
#if (NB_MMU_MODES >= 5)
#define ACCESS_TYPE 4
#define MEMSUFFIX MMU_MODE4_SUFFIX
#define DATA_SIZE 1
#include "exec/softmmu_header.h"
#define DATA_SIZE 2
#include "exec/softmmu_header.h"
#define DATA_SIZE 4
#include "exec/softmmu_header.h"
#define DATA_SIZE 8
#include "exec/softmmu_header.h"
#undef ACCESS_TYPE
#undef MEMSUFFIX
#endif /* (NB_MMU_MODES >= 5) */
#if (NB_MMU_MODES >= 6)
#define ACCESS_TYPE 5
#define MEMSUFFIX MMU_MODE5_SUFFIX
#define DATA_SIZE 1
#include "exec/softmmu_header.h"
#define DATA_SIZE 2
#include "exec/softmmu_header.h"
#define DATA_SIZE 4
#include "exec/softmmu_header.h"
#define DATA_SIZE 8
#include "exec/softmmu_header.h"
#undef ACCESS_TYPE
#undef MEMSUFFIX
#endif /* (NB_MMU_MODES >= 6) */
#if (NB_MMU_MODES > 6)
#error "NB_MMU_MODES > 6 is not supported for now"
#endif /* (NB_MMU_MODES > 6) */
/* these access are slower, they must be as rare as possible */
#define ACCESS_TYPE (NB_MMU_MODES)
#define MEMSUFFIX _data
#define DATA_SIZE 1
#include "exec/softmmu_header.h"
#define DATA_SIZE 2
#include "exec/softmmu_header.h"
#define DATA_SIZE 4
#include "exec/softmmu_header.h"
#define DATA_SIZE 8
#include "exec/softmmu_header.h"
#undef ACCESS_TYPE
#undef MEMSUFFIX
#define ldub(p) ldub_data(p)
#define ldsb(p) ldsb_data(p)
#define lduw(p) lduw_data(p)
#define ldsw(p) ldsw_data(p)
#define ldl(p) ldl_data(p)
#define ldq(p) ldq_data(p)
#define stb(p, v) stb_data(p, v)
#define stw(p, v) stw_data(p, v)
#define stl(p, v) stl_data(p, v)
#define stq(p, v) stq_data(p, v)
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/*
* Software MMU support
*
* Generate inline load/store functions for one MMU mode and data
* size.
*
* Generate a store function as well as signed and unsigned loads. For
* 32 and 64 bit cases, also generate floating point functions with
* the same size.
*
* Not used directly but included from softmmu_exec.h and exec-all.h.
*
* 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 <http://www.gnu.org/licenses/>.
*/
#if DATA_SIZE == 8
#define SUFFIX q
#define USUFFIX q
#define DATA_TYPE uint64_t
#elif DATA_SIZE == 4
#define SUFFIX l
#define USUFFIX l
#define DATA_TYPE uint32_t
#elif DATA_SIZE == 2
#define SUFFIX w
#define USUFFIX uw
#define DATA_TYPE uint16_t
#define DATA_STYPE int16_t
#elif DATA_SIZE == 1
#define SUFFIX b
#define USUFFIX ub
#define DATA_TYPE uint8_t
#define DATA_STYPE int8_t
#else
#error unsupported data size
#endif
#if ACCESS_TYPE < (NB_MMU_MODES)
#define CPU_MMU_INDEX ACCESS_TYPE
#define MMUSUFFIX _mmu
#elif ACCESS_TYPE == (NB_MMU_MODES)
#define CPU_MMU_INDEX (cpu_mmu_index(env))
#define MMUSUFFIX _mmu
#elif ACCESS_TYPE == (NB_MMU_MODES + 1)
#define CPU_MMU_INDEX (cpu_mmu_index(env))
#define MMUSUFFIX _cmmu
#else
#error invalid ACCESS_TYPE
#endif
#if DATA_SIZE == 8
#define RES_TYPE uint64_t
#else
#define RES_TYPE uint32_t
#endif
#if ACCESS_TYPE == (NB_MMU_MODES + 1)
#define ADDR_READ addr_code
#else
#define ADDR_READ addr_read
#endif
/* generic load/store macros */
static inline RES_TYPE
glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr)
{
int page_index;
RES_TYPE res;
target_ulong addr;
int mmu_idx;
addr = ptr;
page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
mmu_idx = CPU_MMU_INDEX;
if (unlikely(env->tlb_table[mmu_idx][page_index].ADDR_READ !=
(addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
res = glue(glue(helper_ld, SUFFIX), MMUSUFFIX)(env, addr, mmu_idx);
} else {
uintptr_t hostaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
res = glue(glue(ld, USUFFIX), _raw)(hostaddr);
}
return res;
}
#if DATA_SIZE <= 2
static inline int
glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr)
{
int res, page_index;
target_ulong addr;
int mmu_idx;
addr = ptr;
page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
mmu_idx = CPU_MMU_INDEX;
if (unlikely(env->tlb_table[mmu_idx][page_index].ADDR_READ !=
(addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
res = (DATA_STYPE)glue(glue(helper_ld, SUFFIX),
MMUSUFFIX)(env, addr, mmu_idx);
} else {
uintptr_t hostaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
res = glue(glue(lds, SUFFIX), _raw)(hostaddr);
}
return res;
}
#endif
#if ACCESS_TYPE != (NB_MMU_MODES + 1)
/* generic store macro */
static inline void
glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr,
RES_TYPE v)
{
int page_index;
target_ulong addr;
int mmu_idx;
addr = ptr;
page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
mmu_idx = CPU_MMU_INDEX;
if (unlikely(env->tlb_table[mmu_idx][page_index].addr_write !=
(addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
glue(glue(helper_st, SUFFIX), MMUSUFFIX)(env, addr, v, mmu_idx);
} else {
uintptr_t hostaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
glue(glue(st, SUFFIX), _raw)(hostaddr, v);
}
}
#endif /* ACCESS_TYPE != (NB_MMU_MODES + 1) */
#if ACCESS_TYPE != (NB_MMU_MODES + 1)
#if DATA_SIZE == 8
static inline float64 glue(cpu_ldfq, MEMSUFFIX)(CPUArchState *env,
target_ulong ptr)
{
union {
float64 d;
uint64_t i;
} u;
u.i = glue(cpu_ldq, MEMSUFFIX)(env, ptr);
return u.d;
}
static inline void glue(cpu_stfq, MEMSUFFIX)(CPUArchState *env,
target_ulong ptr, float64 v)
{
union {
float64 d;
uint64_t i;
} u;
u.d = v;
glue(cpu_stq, MEMSUFFIX)(env, ptr, u.i);
}
#endif /* DATA_SIZE == 8 */
#if DATA_SIZE == 4
static inline float32 glue(cpu_ldfl, MEMSUFFIX)(CPUArchState *env,
target_ulong ptr)
{
union {
float32 f;
uint32_t i;
} u;
u.i = glue(cpu_ldl, MEMSUFFIX)(env, ptr);
return u.f;
}
static inline void glue(cpu_stfl, MEMSUFFIX)(CPUArchState *env,
target_ulong ptr, float32 v)
{
union {
float32 f;
uint32_t i;
} u;
u.f = v;
glue(cpu_stl, MEMSUFFIX)(env, ptr, u.i);
}
#endif /* DATA_SIZE == 4 */
#endif /* ACCESS_TYPE != (NB_MMU_MODES + 1) */
#undef RES_TYPE
#undef DATA_TYPE
#undef DATA_STYPE
#undef SUFFIX
#undef USUFFIX
#undef DATA_SIZE
#undef CPU_MMU_INDEX
#undef MMUSUFFIX
#undef ADDR_READ
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/*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "qemu/timer.h"
#include "exec/memory.h"
#define DATA_SIZE (1 << SHIFT)
#if DATA_SIZE == 8
#define SUFFIX q
#define USUFFIX q
#define DATA_TYPE uint64_t
#elif DATA_SIZE == 4
#define SUFFIX l
#define USUFFIX l
#define DATA_TYPE uint32_t
#elif DATA_SIZE == 2
#define SUFFIX w
#define USUFFIX uw
#define DATA_TYPE uint16_t
#elif DATA_SIZE == 1
#define SUFFIX b
#define USUFFIX ub
#define DATA_TYPE uint8_t
#else
#error unsupported data size
#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
static DATA_TYPE glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(CPUArchState *env,
target_ulong addr,
int mmu_idx,
uintptr_t retaddr);
static inline DATA_TYPE glue(io_read, SUFFIX)(CPUArchState *env,
hwaddr physaddr,
target_ulong addr,
uintptr_t retaddr)
{
DATA_TYPE res;
MemoryRegion *mr = iotlb_to_region(physaddr);
physaddr = (physaddr & TARGET_PAGE_MASK) + addr;
env->mem_io_pc = retaddr;
if (mr != &io_mem_ram && mr != &io_mem_rom
&& mr != &io_mem_unassigned
&& mr != &io_mem_notdirty
&& !can_do_io(env)) {
cpu_io_recompile(env, retaddr);
}
env->mem_io_vaddr = addr;
#if SHIFT <= 2
res = io_mem_read(mr, physaddr, 1 << SHIFT);
#else
#ifdef TARGET_WORDS_BIGENDIAN
res = io_mem_read(mr, physaddr, 4) << 32;
res |= io_mem_read(mr, physaddr + 4, 4);
#else
res = io_mem_read(mr, physaddr, 4);
res |= io_mem_read(mr, physaddr + 4, 4) << 32;
#endif
#endif /* SHIFT > 2 */
return res;
}
/* handle all cases except unaligned access which span two pages */
DATA_TYPE
glue(glue(helper_ld, SUFFIX), MMUSUFFIX)(CPUArchState *env, target_ulong addr,
int mmu_idx)
{
DATA_TYPE res;
int index;
target_ulong tlb_addr;
hwaddr ioaddr;
uintptr_t retaddr;
/* test if there is match for unaligned or IO access */
/* XXX: could done more in memory macro in a non portable way */
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ;
if ((addr & TARGET_PAGE_MASK) == (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
if (tlb_addr & ~TARGET_PAGE_MASK) {
/* IO access */
if ((addr & (DATA_SIZE - 1)) != 0)
goto do_unaligned_access;
retaddr = GETPC_EXT();
ioaddr = env->iotlb[mmu_idx][index];
res = glue(io_read, SUFFIX)(env, ioaddr, addr, retaddr);
} else if (((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1) >= TARGET_PAGE_SIZE) {
/* slow unaligned access (it spans two pages or IO) */
do_unaligned_access:
retaddr = GETPC_EXT();
#ifdef ALIGNED_ONLY
do_unaligned_access(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
#endif
res = glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(env, addr,
mmu_idx, retaddr);
} else {
/* unaligned/aligned access in the same page */
uintptr_t addend;
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0) {
retaddr = GETPC_EXT();
do_unaligned_access(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
}
#endif
addend = env->tlb_table[mmu_idx][index].addend;
res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)(intptr_t)
(addr + addend));
}
} else {
/* the page is not in the TLB : fill it */
retaddr = GETPC_EXT();
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0)
do_unaligned_access(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
#endif
tlb_fill(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
goto redo;
}
return res;
}
/* handle all unaligned cases */
static DATA_TYPE
glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(CPUArchState *env,
target_ulong addr,
int mmu_idx,
uintptr_t retaddr)
{
DATA_TYPE res, res1, res2;
int index, shift;
hwaddr ioaddr;
target_ulong tlb_addr, addr1, addr2;
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ;
if ((addr & TARGET_PAGE_MASK) == (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
if (tlb_addr & ~TARGET_PAGE_MASK) {
/* IO access */
if ((addr & (DATA_SIZE - 1)) != 0)
goto do_unaligned_access;
ioaddr = env->iotlb[mmu_idx][index];
res = glue(io_read, SUFFIX)(env, ioaddr, addr, retaddr);
} else if (((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1) >= TARGET_PAGE_SIZE) {
do_unaligned_access:
/* slow unaligned access (it spans two pages) */
addr1 = addr & ~(DATA_SIZE - 1);
addr2 = addr1 + DATA_SIZE;
res1 = glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(env, addr1,
mmu_idx, retaddr);
res2 = glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(env, addr2,
mmu_idx, retaddr);
shift = (addr & (DATA_SIZE - 1)) * 8;
#ifdef TARGET_WORDS_BIGENDIAN
res = (res1 << shift) | (res2 >> ((DATA_SIZE * 8) - shift));
#else
res = (res1 >> shift) | (res2 << ((DATA_SIZE * 8) - shift));
#endif
res = (DATA_TYPE)res;
} else {
/* unaligned/aligned access in the same page */
uintptr_t addend = env->tlb_table[mmu_idx][index].addend;
res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)(intptr_t)
(addr + addend));
}
} else {
/* the page is not in the TLB : fill it */
tlb_fill(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
goto redo;
}
return res;
}
#ifndef SOFTMMU_CODE_ACCESS
static void glue(glue(slow_st, SUFFIX), MMUSUFFIX)(CPUArchState *env,
target_ulong addr,
DATA_TYPE val,
int mmu_idx,
uintptr_t retaddr);
static inline void glue(io_write, SUFFIX)(CPUArchState *env,
hwaddr physaddr,
DATA_TYPE val,
target_ulong addr,
uintptr_t retaddr)
{
MemoryRegion *mr = iotlb_to_region(physaddr);
physaddr = (physaddr & TARGET_PAGE_MASK) + addr;
if (mr != &io_mem_ram && mr != &io_mem_rom
&& mr != &io_mem_unassigned
&& mr != &io_mem_notdirty
&& !can_do_io(env)) {
cpu_io_recompile(env, retaddr);
}
env->mem_io_vaddr = addr;
env->mem_io_pc = retaddr;
#if SHIFT <= 2
io_mem_write(mr, physaddr, val, 1 << SHIFT);
#else
#ifdef TARGET_WORDS_BIGENDIAN
io_mem_write(mr, physaddr, (val >> 32), 4);
io_mem_write(mr, physaddr + 4, (uint32_t)val, 4);
#else
io_mem_write(mr, physaddr, (uint32_t)val, 4);
io_mem_write(mr, physaddr + 4, val >> 32, 4);
#endif
#endif /* SHIFT > 2 */
}
void glue(glue(helper_st, SUFFIX), MMUSUFFIX)(CPUArchState *env,
target_ulong addr, DATA_TYPE val,
int mmu_idx)
{
hwaddr ioaddr;
target_ulong tlb_addr;
uintptr_t retaddr;
int index;
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
tlb_addr = env->tlb_table[mmu_idx][index].addr_write;
if ((addr & TARGET_PAGE_MASK) == (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
if (tlb_addr & ~TARGET_PAGE_MASK) {
/* IO access */
if ((addr & (DATA_SIZE - 1)) != 0)
goto do_unaligned_access;
retaddr = GETPC_EXT();
ioaddr = env->iotlb[mmu_idx][index];
glue(io_write, SUFFIX)(env, ioaddr, val, addr, retaddr);
} else if (((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1) >= TARGET_PAGE_SIZE) {
do_unaligned_access:
retaddr = GETPC_EXT();
#ifdef ALIGNED_ONLY
do_unaligned_access(env, addr, 1, mmu_idx, retaddr);
#endif
glue(glue(slow_st, SUFFIX), MMUSUFFIX)(env, addr, val,
mmu_idx, retaddr);
} else {
/* aligned/unaligned access in the same page */
uintptr_t addend;
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0) {
retaddr = GETPC_EXT();
do_unaligned_access(env, addr, 1, mmu_idx, retaddr);
}
#endif
addend = env->tlb_table[mmu_idx][index].addend;
glue(glue(st, SUFFIX), _raw)((uint8_t *)(intptr_t)
(addr + addend), val);
}
} else {
/* the page is not in the TLB : fill it */
retaddr = GETPC_EXT();
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0)
do_unaligned_access(env, addr, 1, mmu_idx, retaddr);
#endif
tlb_fill(env, addr, 1, mmu_idx, retaddr);
goto redo;
}
}
/* handles all unaligned cases */
static void glue(glue(slow_st, SUFFIX), MMUSUFFIX)(CPUArchState *env,
target_ulong addr,
DATA_TYPE val,
int mmu_idx,
uintptr_t retaddr)
{
hwaddr ioaddr;
target_ulong tlb_addr;
int index, i;
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
redo:
tlb_addr = env->tlb_table[mmu_idx][index].addr_write;
if ((addr & TARGET_PAGE_MASK) == (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
if (tlb_addr & ~TARGET_PAGE_MASK) {
/* IO access */
if ((addr & (DATA_SIZE - 1)) != 0)
goto do_unaligned_access;
ioaddr = env->iotlb[mmu_idx][index];
glue(io_write, SUFFIX)(env, ioaddr, val, addr, retaddr);
} else if (((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1) >= TARGET_PAGE_SIZE) {
do_unaligned_access:
/* 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--) {
#ifdef TARGET_WORDS_BIGENDIAN
glue(slow_stb, MMUSUFFIX)(env, addr + i,
val >> (((DATA_SIZE - 1) * 8) - (i * 8)),
mmu_idx, retaddr);
#else
glue(slow_stb, MMUSUFFIX)(env, addr + i,
val >> (i * 8),
mmu_idx, retaddr);
#endif
}
} else {
/* aligned/unaligned access in the same page */
uintptr_t addend = env->tlb_table[mmu_idx][index].addend;
glue(glue(st, SUFFIX), _raw)((uint8_t *)(intptr_t)
(addr + addend), val);
}
} else {
/* the page is not in the TLB : fill it */
tlb_fill(env, addr, 1, mmu_idx, retaddr);
goto redo;
}
}
#endif /* !defined(SOFTMMU_CODE_ACCESS) */
#undef READ_ACCESS_TYPE
#undef SHIFT
#undef DATA_TYPE
#undef SUFFIX
#undef USUFFIX
#undef DATA_SIZE
#undef ADDR_READ

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