X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=cpu-defs.h;h=b462a9fa0c1f5ef72dd1e441d2f30968e0b62e50;hb=36609a77c1d711dddfa0293e6c14073c99c839e0;hp=202eaee2e989837cecdd083b36c206a6ad722bd8;hpb=6fa4cea9e8e904f7aac0c3d4f73a883c9e1e53bd;p=qemu diff --git a/cpu-defs.h b/cpu-defs.h index 202eaee..b462a9f 100644 --- a/cpu-defs.h +++ b/cpu-defs.h @@ -1,6 +1,6 @@ /* * common defines for all CPUs - * + * * Copyright (c) 2003 Fabrice Bellard * * This library is free software; you can redistribute it and/or @@ -15,21 +15,27 @@ * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA */ #ifndef CPU_DEFS_H #define CPU_DEFS_H +#ifndef NEED_CPU_H +#error cpu.h included from common code +#endif + #include "config.h" #include #include +#include #include "osdep.h" +#include "sys-queue.h" #ifndef TARGET_LONG_BITS #error TARGET_LONG_BITS must be defined before including this header #endif -#ifndef TARGET_PHYS_ADDR_BITS +#ifndef TARGET_PHYS_ADDR_BITS #if TARGET_LONG_BITS >= HOST_LONG_BITS #define TARGET_PHYS_ADDR_BITS TARGET_LONG_BITS #else @@ -45,11 +51,13 @@ typedef int32_t target_long; typedef uint32_t target_ulong; #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; typedef uint64_t target_ulong; #define TARGET_FMT_lx "%016" PRIx64 #define TARGET_FMT_ld "%" PRId64 +#define TARGET_FMT_lu "%" PRIu64 #else #error TARGET_LONG_SIZE undefined #endif @@ -62,23 +70,20 @@ typedef uint64_t target_ulong; #if TARGET_PHYS_ADDR_BITS == 32 typedef uint32_t target_phys_addr_t; +#define TARGET_FMT_plx "%08x" #elif TARGET_PHYS_ADDR_BITS == 64 typedef uint64_t target_phys_addr_t; +#define TARGET_FMT_plx "%016" PRIx64 #else #error TARGET_PHYS_ADDR_BITS undefined #endif -/* address in the RAM (different from a physical address) */ -typedef unsigned long ram_addr_t; - #define HOST_LONG_SIZE (HOST_LONG_BITS / 8) #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 MAX_BREAKPOINTS 32 -#define MAX_WATCHPOINTS 32 #define TB_JMP_CACHE_BITS 12 #define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS) @@ -94,59 +99,119 @@ typedef unsigned long ram_addr_t; #define CPU_TLB_BITS 8 #define CPU_TLB_SIZE (1 << CPU_TLB_BITS) +#if TARGET_PHYS_ADDR_BITS == 32 && TARGET_LONG_BITS == 32 +#define CPU_TLB_ENTRY_BITS 4 +#else +#define CPU_TLB_ENTRY_BITS 5 +#endif + typedef struct CPUTLBEntry { - /* bit 31 to TARGET_PAGE_BITS : virtual address - bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io - zone number + /* 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 physical address */ - target_phys_addr_t addend; + target_ulong addr_read; + target_ulong addr_write; + target_ulong addr_code; + /* Addend to virtual address to get physical address. IO accesses + use the corresponding iotlb value. */ +#if TARGET_PHYS_ADDR_BITS == 64 + /* on i386 Linux make sure it is aligned */ + target_phys_addr_t addend __attribute__((aligned(8))); +#else + target_phys_addr_t addend; +#endif + /* 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(target_phys_addr_t) - 1)) + + sizeof(target_phys_addr_t))]; } CPUTLBEntry; -/* Alpha has 4 different running levels */ -#if defined(TARGET_ALPHA) -#define NB_MMU_MODES 4 -#elif defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */ -#define NB_MMU_MODES 3 +#ifdef WORDS_BIGENDIAN +typedef struct icount_decr_u16 { + uint16_t high; + uint16_t low; +} icount_decr_u16; #else -#define NB_MMU_MODES 2 +typedef struct icount_decr_u16 { + uint16_t low; + uint16_t high; +} icount_decr_u16; #endif +struct kvm_run; +struct KVMState; + +typedef struct CPUBreakpoint { + target_ulong pc; + int flags; /* BP_* */ + TAILQ_ENTRY(CPUBreakpoint) entry; +} CPUBreakpoint; + +typedef struct CPUWatchpoint { + target_ulong vaddr; + target_ulong len_mask; + int flags; /* BP_* */ + TAILQ_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 memory \ - write helpers, we store some rarely used information in the CPU \ + /* in order to avoid passing too many arguments to the MMIO \ + helpers, we store some rarely used information in the CPU \ context) */ \ - unsigned long mem_write_pc; /* host pc at which the memory was \ - written */ \ - target_ulong mem_write_vaddr; /* target virtual addr at which the \ - memory was written */ \ - /* 0 = kernel, 1 = user */ \ + unsigned long 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; \ + /* The meaning of the MMU modes is defined in the target code. */ \ CPUTLBEntry tlb_table[NB_MMU_MODES][CPU_TLB_SIZE]; \ + target_phys_addr_t iotlb[NB_MMU_MODES][CPU_TLB_SIZE]; \ 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 */ \ - target_ulong breakpoints[MAX_BREAKPOINTS]; \ - int nb_breakpoints; \ + TAILQ_HEAD(breakpoints_head, CPUBreakpoint) breakpoints; \ int singlestep_enabled; \ \ - struct { \ - target_ulong vaddr; \ - int is_ram; \ - } watchpoint[MAX_WATCHPOINTS]; \ - int nb_watchpoints; \ - int watchpoint_hit; \ + TAILQ_HEAD(watchpoints_head, CPUWatchpoint) watchpoints; \ + CPUWatchpoint *watchpoint_hit; \ + \ + struct GDBRegisterState *gdb_regs; \ \ - void *next_cpu; /* next CPU sharing TB cache */ \ + /* Core interrupt code */ \ + jmp_buf jmp_env; \ + int exception_index; \ + \ + CPUState *next_cpu; /* next CPU sharing TB cache */ \ int cpu_index; /* CPU index (informative) */ \ + int running; /* Nonzero if cpu is currently running(usermode). */ \ /* user data */ \ - void *opaque; + void *opaque; \ + \ + const char *cpu_model_str; \ + struct KVMState *kvm_state; \ + struct kvm_run *kvm_run; \ + int kvm_fd; #endif