- added manpage for OpenOCD (thanks to Uwe Hermann)

[openocd.git] / src / target / arm_disassembler.c

diff --git a/src/target/arm_disassembler.c b/src/target/arm_disassembler.c
index 1c275f54645a897e70c4cbede7f8806264838e94..ed7fe655f8173bf143445262179b940e903688b8 100644 (file)
--- a/src/target/arm_disassembler.c
+++ b/src/target/arm_disassembler.c
@@ -2080,3 +2080,37 @@ int thumb_evaluate_opcode(u16 opcode, u32 address, arm_instruction_t *instructio
        return -1;
 }
 
+int arm_access_size(arm_instruction_t *instruction)
+{
+       if ((instruction->type == ARM_LDRB)
+               || (instruction->type == ARM_LDRBT)
+               || (instruction->type == ARM_LDRSB)
+               || (instruction->type == ARM_STRB)
+               || (instruction->type == ARM_STRBT))
+       {
+               return 1;
+       }
+       else if ((instruction->type == ARM_LDRH)
+               || (instruction->type == ARM_LDRSH)
+               || (instruction->type == ARM_STRH))
+       {
+               return 2;
+       }
+       else if ((instruction->type == ARM_LDR)
+               || (instruction->type == ARM_LDRT)
+               || (instruction->type == ARM_STR)
+               || (instruction->type == ARM_STRT))
+       {
+               return 4;
+       }
+       else if ((instruction->type == ARM_LDRD)
+               || (instruction->type == ARM_STRD))
+       {
+               return 8;
+       }
+       else
+       {
+               ERROR("BUG: instruction type %i isn't a load/store instruction", instruction->type);
+               return 0;
+       }
+}