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-rw-r--r--sim/arm/armemu.h88
1 files changed, 48 insertions, 40 deletions
diff --git a/sim/arm/armemu.h b/sim/arm/armemu.h
index e64dc93..47238a8 100644
--- a/sim/arm/armemu.h
+++ b/sim/arm/armemu.h
@@ -65,7 +65,7 @@ extern ARMword isize;
#define POS(i) ( (~(i)) >> 31 )
#define NEG(i) ( (i) >> 31 )
-#ifdef MODET /* Thumb support */
+#ifdef MODET /* Thumb support */
/* ??? This bit is actually in the low order bit of the PC in the hardware.
It isn't clear if the simulator needs to model that or not. */
#define TBIT (1L << 5)
@@ -215,7 +215,7 @@ extern ARMword isize;
#define RESUME 8
#define NORMALCYCLE state->NextInstr = 0
-#define BUSUSEDN state->NextInstr |= 1 /* the next fetch will be an N cycle */
+#define BUSUSEDN state->NextInstr |= 1 /* the next fetch will be an N cycle */
#define BUSUSEDINCPCS state->Reg[15] += isize ; /* a standard PC inc and an S cycle */ \
state->NextInstr = (state->NextInstr & 0xff) | 2
#define BUSUSEDINCPCN state->Reg[15] += isize ; /* a standard PC inc and an N cycle */ \
@@ -348,53 +348,62 @@ extern ARMword isize;
* Values for Emulate *
\***************************************************************************/
-#define STOP 0 /* stop */
-#define CHANGEMODE 1 /* change mode */
-#define ONCE 2 /* execute just one interation */
-#define RUN 3 /* continuous execution */
+#define STOP 0 /* stop */
+#define CHANGEMODE 1 /* change mode */
+#define ONCE 2 /* execute just one interation */
+#define RUN 3 /* continuous execution */
/***************************************************************************\
* Stuff that is shared across modes *
\***************************************************************************/
-extern ARMword ARMul_Emulate26(ARMul_State *state) ;
-extern ARMword ARMul_Emulate32(ARMul_State *state) ;
-extern unsigned ARMul_MultTable[] ; /* Number of I cycles for a mult */
-extern ARMword ARMul_ImmedTable[] ; /* immediate DP LHS values */
-extern char ARMul_BitList[] ; /* number of bits in a byte table */
-extern void ARMul_Abort26(ARMul_State *state, ARMword) ;
-extern void ARMul_Abort32(ARMul_State *state, ARMword) ;
-extern unsigned ARMul_NthReg(ARMword instr,unsigned number) ;
-extern void ARMul_MSRCpsr(ARMul_State *state, ARMword instr, ARMword rhs) ;
-extern void ARMul_NegZero(ARMul_State *state, ARMword result) ;
-extern void ARMul_AddCarry(ARMul_State *state, ARMword a, ARMword b, ARMword result) ;
-extern int AddOverflow(ARMword a, ARMword b, ARMword result) ;
-extern int SubOverflow(ARMword a, ARMword b, ARMword result) ;
-extern void ARMul_AddOverflow(ARMul_State *state, ARMword a, ARMword b, ARMword result) ;
-extern void ARMul_SubCarry(ARMul_State *state, ARMword a, ARMword b, ARMword result) ;
-extern void ARMul_SubOverflow(ARMul_State *state, ARMword a, ARMword b, ARMword result) ;
-extern void ARMul_CPSRAltered(ARMul_State *state) ;
-extern void ARMul_R15Altered(ARMul_State *state) ;
-extern ARMword ARMul_SwitchMode(ARMul_State *state,ARMword oldmode, ARMword newmode) ;
-extern unsigned ARMul_NthReg(ARMword instr, unsigned number) ;
-extern void ARMul_LDC(ARMul_State *state,ARMword instr,ARMword address) ;
-extern void ARMul_STC(ARMul_State *state,ARMword instr,ARMword address) ;
-extern void ARMul_MCR(ARMul_State *state,ARMword instr, ARMword source) ;
-extern ARMword ARMul_MRC(ARMul_State *state,ARMword instr) ;
-extern void ARMul_CDP(ARMul_State *state,ARMword instr) ;
-extern unsigned IntPending(ARMul_State *state) ;
-extern ARMword ARMul_Align(ARMul_State *state, ARMword address, ARMword data) ;
+extern ARMword ARMul_Emulate26 (ARMul_State * state);
+extern ARMword ARMul_Emulate32 (ARMul_State * state);
+extern unsigned ARMul_MultTable[]; /* Number of I cycles for a mult */
+extern ARMword ARMul_ImmedTable[]; /* immediate DP LHS values */
+extern char ARMul_BitList[]; /* number of bits in a byte table */
+extern void ARMul_Abort26 (ARMul_State * state, ARMword);
+extern void ARMul_Abort32 (ARMul_State * state, ARMword);
+extern unsigned ARMul_NthReg (ARMword instr, unsigned number);
+extern void ARMul_MSRCpsr (ARMul_State * state, ARMword instr, ARMword rhs);
+extern void ARMul_NegZero (ARMul_State * state, ARMword result);
+extern void ARMul_AddCarry (ARMul_State * state, ARMword a, ARMword b,
+ ARMword result);
+extern int AddOverflow (ARMword a, ARMword b, ARMword result);
+extern int SubOverflow (ARMword a, ARMword b, ARMword result);
+extern void ARMul_AddOverflow (ARMul_State * state, ARMword a, ARMword b,
+ ARMword result);
+extern void ARMul_SubCarry (ARMul_State * state, ARMword a, ARMword b,
+ ARMword result);
+extern void ARMul_SubOverflow (ARMul_State * state, ARMword a, ARMword b,
+ ARMword result);
+extern void ARMul_CPSRAltered (ARMul_State * state);
+extern void ARMul_R15Altered (ARMul_State * state);
+extern ARMword ARMul_SwitchMode (ARMul_State * state, ARMword oldmode,
+ ARMword newmode);
+extern unsigned ARMul_NthReg (ARMword instr, unsigned number);
+extern void ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address);
+extern void ARMul_STC (ARMul_State * state, ARMword instr, ARMword address);
+extern void ARMul_MCR (ARMul_State * state, ARMword instr, ARMword source);
+extern ARMword ARMul_MRC (ARMul_State * state, ARMword instr);
+extern void ARMul_CDP (ARMul_State * state, ARMword instr);
+extern unsigned IntPending (ARMul_State * state);
+extern ARMword ARMul_Align (ARMul_State * state, ARMword address,
+ ARMword data);
#define EVENTLISTSIZE 1024L
/* Thumb support: */
-typedef enum {
- t_undefined, /* undefined Thumb instruction */
- t_decoded, /* instruction decoded to ARM equivalent */
- t_branch /* Thumb branch (already processed) */
-} tdstate;
+typedef enum
+{
+ t_undefined, /* undefined Thumb instruction */
+ t_decoded, /* instruction decoded to ARM equivalent */
+ t_branch /* Thumb branch (already processed) */
+}
+tdstate;
-extern tdstate ARMul_ThumbDecode(ARMul_State *state,ARMword pc,ARMword tinstr, ARMword *ainstr);
+extern tdstate ARMul_ThumbDecode (ARMul_State * state, ARMword pc,
+ ARMword tinstr, ARMword * ainstr);
/***************************************************************************\
* Macros to scrutinize instructions *
@@ -425,4 +434,3 @@ extern tdstate ARMul_ThumbDecode(ARMul_State *state,ARMword pc,ARMword tinstr, A
#define UNDEF_IllegalMode
#define UNDEF_Prog32SigChange
#define UNDEF_Data32SigChange
-
generated by cgit v1.1 at 2024-11-28 10:47:35 +0000