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Rev 3124 Rev 3126
Line 52... Line 52...
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    /* Branch */
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    /* Branch */
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    OP_B,
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    OP_B,
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    OP_BL,
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    OP_BL,
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    OP_BLX1,
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    OP_BLX1,
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    OP_BLX2,
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    OP_BLX2,
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    OP_BX
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    OP_BX,
- 
 
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- 
 
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    OP_MOV_PC_LR
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} op_t;
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} op_t;
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typedef struct {
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typedef struct {
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    uint32_t mask;
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    uint32_t mask;
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    uint32_t value;
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    uint32_t value;
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    /* Branch (and link) */
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    /* Branch (and link) */
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    { 0x0f000000, 0x0a000000, OP_B },
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    { 0x0f000000, 0x0a000000, OP_B },
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    { 0x0f000000, 0x0b000000, OP_BL },
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    { 0x0f000000, 0x0b000000, OP_BL },
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- 
 
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    /* mov pc, lr */
- 
 
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    { 0xffffffff, 0xe1a0f00e, OP_MOV_PC_LR },
- 
 
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    { 0, 0, -1 }
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    { 0, 0, -1 }
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};
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};
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/** Sign-extend a value to 32 bits.
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/** Sign-extend a value to 32 bits.
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 *
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 *
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        buffer[0] = regv & ~0x1;
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        buffer[0] = regv & ~0x1;
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        buffer[1] = addr + 4;
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        buffer[1] = addr + 4;
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        n = 2;
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        n = 2;
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        break;
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        break;
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- 
 
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    case OP_MOV_PC_LR:
- 
 
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        /* mov pc, lr - this is typically used as 'return' */
- 
 
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        rc = get_reg(dt, 14 /* lr */, &regv);
- 
 
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        if (rc != 0) return rc;
- 
 
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- 
 
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        buffer[0] = regv & ~0x1;
- 
 
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        printf("mov pc, lr ---> 0x%x\n", buffer[0]);
- 
 
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        n = 1;
- 
 
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        break;
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    /* TODO: handle instructions writing r15 */
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    /* TODO: handle general case of instructions writing r15(pc) */
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    default:
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    default:
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        /* Regular instruction */  
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        /* Regular instruction */  
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        buffer[0] = addr + 4;
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        buffer[0] = addr + 4;
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        n = 1;
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        n = 1;