powerpc/xmon: Cleanup the breakpoint flags
authorMichael Ellerman <mpe@ellerman.id.au>
Mon, 1 Dec 2014 05:54:13 +0000 (16:54 +1100)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 2 Dec 2014 03:23:04 +0000 (14:23 +1100)
Drop BP_IABR_TE, which though used, does not do anything useful. Rename
BP_IABR to BP_CIABR. Renumber the flags.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/xmon/xmon.c

index 820dc135f0405c4424b8e1f587cc23aae1ebe651..dfe3372386999683b91217f238b3ff778dd48574 100644 (file)
@@ -94,10 +94,9 @@ struct bpt {
 };
 
 /* Bits in bpt.enabled */
-#define BP_IABR_TE     1               /* IABR translation enabled */
-#define BP_IABR                2
-#define BP_TRAP                8
-#define BP_DABR                0x10
+#define BP_CIABR       1
+#define BP_TRAP                2
+#define BP_DABR                4
 
 #define NBPTS  256
 static struct bpt bpts[NBPTS];
@@ -772,7 +771,7 @@ static void insert_bpts(void)
 
        bp = bpts;
        for (i = 0; i < NBPTS; ++i, ++bp) {
-               if ((bp->enabled & (BP_TRAP|BP_IABR)) == 0)
+               if ((bp->enabled & (BP_TRAP|BP_CIABR)) == 0)
                        continue;
                if (mread(bp->address, &bp->instr[0], 4) != 4) {
                        printf("Couldn't read instruction at %lx, "
@@ -787,7 +786,7 @@ static void insert_bpts(void)
                        continue;
                }
                store_inst(&bp->instr[0]);
-               if (bp->enabled & BP_IABR)
+               if (bp->enabled & BP_CIABR)
                        continue;
                if (mwrite(bp->address, &bpinstr, 4) != 4) {
                        printf("Couldn't write instruction at %lx, "
@@ -822,7 +821,7 @@ static void remove_bpts(void)
 
        bp = bpts;
        for (i = 0; i < NBPTS; ++i, ++bp) {
-               if ((bp->enabled & (BP_TRAP|BP_IABR)) != BP_TRAP)
+               if ((bp->enabled & (BP_TRAP|BP_CIABR)) != BP_TRAP)
                        continue;
                if (mread(bp->address, &instr, 4) == 4
                    && instr == bpinstr
@@ -1217,7 +1216,7 @@ bpt_cmds(void)
                        break;
                }
                if (iabr) {
-                       iabr->enabled &= ~(BP_IABR | BP_IABR_TE);
+                       iabr->enabled &= ~BP_CIABR;
                        iabr = NULL;
                }
                if (!scanhex(&a))
@@ -1226,7 +1225,7 @@ bpt_cmds(void)
                        break;
                bp = new_breakpoint(a);
                if (bp != NULL) {
-                       bp->enabled |= BP_IABR | BP_IABR_TE;
+                       bp->enabled |= BP_CIABR;
                        iabr = bp;
                }
                break;
@@ -1283,7 +1282,7 @@ bpt_cmds(void)
                                if (!bp->enabled)
                                        continue;
                                printf("%2x %s   ", BP_NUM(bp),
-                                   (bp->enabled & BP_IABR)? "inst": "trap");
+                                   (bp->enabled & BP_CIABR) ? "inst": "trap");
                                xmon_print_symbol(bp->address, "  ", "\n");
                        }
                        break;