Add support for co-processor instructions. I'm not 100% sure about this, but it seems to work...

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15334 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 45 insertions, 2 deletions

diff --git a/utils/disassembler/arm/disasm_arm.c b/utils/disassembler/arm/disasm_arm.c
index 65cb9280a3..aa04ab6265 100644
--- a/utils/disassembler/arm/disasm_arm.c
+++ b/utils/disassembler/arm/disasm_arm.c
@@ -238,6 +238,49 @@ void opcode_stg(char *stg, ULONG val, ULONG off)
   }

 }

 

+void opcode_cop(char *stg, ULONG val, ULONG off)

+{

+  char* op;

+  int   opcode1 = (val >> 21) & 0x7;

+  int   CRn = (val >> 16) & 0xf;

+  int   Rd = (val >> 12) & 0xf;

+  int   cp_num = (val >> 8) & 0xf;

+  int   opcode2 = (val >> 5) & 0x7;

+  int   CRm = val & 0xf;

+

+

+// ee073f5e        mcr     15, 0, r3, cr7, cr14, {2}

+

+  if (val & (1<<4)) {

+    if (val & (1<<20)) {

+      op = "mrc";

+    } else {

+      op = "mcr";

+    }

+    opcode1 = (val >> 21) & 0x7;

+    CRn = (val >> 16) & 0xf;

+    Rd = (val >> 12) & 0xf;

+    cp_num = (val >> 8) & 0xf;

+    opcode2 = (val >> 5) & 0x7;

+    CRm = val & 0xf;

+

+    sprintf(stg+strlen(stg), "%s%s      %d, %d, r%d, cr%d, cr%d, {%d}", op, cnd1[val>>28], cp_num, opcode1, Rd, CRn, CRm, opcode2);

+  } else {

+    op = "cdp";

+

+    opcode1 = (val >> 20) & 0xf;

+    CRn = (val >> 16) & 0xf;

+    Rd = (val >> 12) & 0xf;

+    cp_num = (val >> 8) & 0xf;

+    opcode2 = (val >> 5) & 0x7;

+    CRm = val & 0xf;

+

+    sprintf(stg+strlen(stg), "%s%s      %d, %d, cr%d, cr%d, cr%d, {%d}", op, cnd1[val>>28], cp_num, opcode1, Rd, CRn, CRm, opcode2);

+  }

+

+}

+

+

 void single_data(char *stg, ULONG val)

 {

   char  op2[80];

@@ -370,8 +413,8 @@ void dis_asm(ULONG off, ULONG val, char *stg)
     case 10:

     case 11: branch_stg(stg, val, off); break;

     case 12:

-    case 13:

-    case 14: sprintf(stg+strlen(stg), "cop%s", cnd1[val>>28]); break;

+    case 13: sprintf(stg+strlen(stg), "cop%s", cnd1[val>>28]); break;

+    case 14: opcode_cop(stg, val, off); break;

     case 15: sprintf(stg+strlen(stg), "swi%s", cnd1[val>>28]); break;

   }

 }