diff options
Diffstat (limited to 'sim/m68hc11/sim-main.h')
| -rw-r--r-- | sim/m68hc11/sim-main.h | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/sim/m68hc11/sim-main.h b/sim/m68hc11/sim-main.h index 75c3b5b..c8933a0 100644 --- a/sim/m68hc11/sim-main.h +++ b/sim/m68hc11/sim-main.h @@ -1,6 +1,6 @@ /* sim-main.h -- Simulator for Motorola 68HC11 & 68HC12 Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc. - Written by Stephane Carrez (stcarrez@worldnet.fr) + Written by Stephane Carrez (stcarrez@nerim.fr) This file is part of GDB, the GNU debugger. @@ -80,6 +80,7 @@ enum cpu_type #define B_REGNUM 6 #define PSW_REGNUM 7 #define Z_REGNUM 8 +#define PAGE_REGNUM 9 typedef struct m6811_regs { unsigned short d; @@ -88,6 +89,7 @@ typedef struct m6811_regs { unsigned short sp; unsigned short pc; unsigned char ccr; + unsigned short page; } m6811_regs; @@ -126,6 +128,7 @@ enum M6811_Special /* 68HC12 instructions. */ M6812_BGND, M6812_CALL, + M6812_CALL_INDIRECT, M6812_IDIVS, M6812_EDIV, M6812_EDIVS, @@ -232,6 +235,7 @@ struct _sim_cpu { #define cpu_get_sp(PROC) ((PROC)->cpu_regs.sp) #define cpu_get_a(PROC) ((PROC->cpu_regs.d >> 8) & 0x0FF) #define cpu_get_b(PROC) ((PROC->cpu_regs.d) & 0x0FF) +#define cpu_get_page(PROC) (PROC->cpu_regs.page) /* 68HC12 specific and Motorola internal registers. */ #define cpu_get_tmp3(PROC) (0) @@ -240,10 +244,11 @@ struct _sim_cpu { #define cpu_set_d(PROC,VAL) (((PROC)->cpu_regs.d) = (VAL)) #define cpu_set_x(PROC,VAL) (((PROC)->cpu_regs.ix) = (VAL)) #define cpu_set_y(PROC,VAL) (((PROC)->cpu_regs.iy) = (VAL)) +#define cpu_set_page(PROC,VAL) ((PROC->cpu_regs.page) = (VAL)) /* 68HC12 specific and Motorola internal registers. */ #define cpu_set_tmp3(PROC,VAL) (0) -#define cpu_set_tmp2(PROC,VAL) (0) +#define cpu_set_tmp2(PROC,VAL) (void) (0) #if 0 /* This is a function in m68hc11_sim.c to keep track of the frame. */ @@ -287,11 +292,21 @@ extern void cpu_memory_exception (struct _sim_cpu *proc, uint16 addr, const char *message); +inline address_word +phys_to_virt (sim_cpu *cpu, address_word addr) +{ + if (addr >= 0x8000 && addr < 0xc000) + return ((address_word) (addr) - 0x8000) + + (((address_word) cpu->cpu_regs.page) << 14) + 0x01000000; + else + return (address_word) (addr); +} + inline uint8 memory_read8 (sim_cpu *cpu, uint16 addr) { uint8 val; - + if (sim_core_read_buffer (CPU_STATE (cpu), cpu, 0, &val, addr, 1) != 1) { cpu_memory_exception (cpu, SIM_SIGSEGV, addr, @@ -314,7 +329,7 @@ inline uint16 memory_read16 (sim_cpu *cpu, uint16 addr) { uint8 b[2]; - + if (sim_core_read_buffer (CPU_STATE (cpu), cpu, 0, b, addr, 2) != 2) { cpu_memory_exception (cpu, SIM_SIGSEGV, addr, @@ -523,6 +538,11 @@ extern void cpu_info (SIM_DESC sd, sim_cpu *proc); extern int cpu_initialize (SIM_DESC sd, sim_cpu *cpu); +/* Returns the address of a 68HC12 indexed operand. + Pre and post modifications are handled on the source register. */ +extern uint16 cpu_get_indexed_operand_addr (sim_cpu* cpu, int restrict); + +extern void cpu_return (sim_cpu *cpu); extern void cpu_set_sp (sim_cpu *cpu, uint16 val); extern int cpu_reset (sim_cpu *cpu); extern int cpu_restart (sim_cpu *cpu); |