aboutsummaryrefslogtreecommitdiff
path: root/opcodes/sparc-opc.c
diff options
context:
space:
mode:
authorDavid Edelsohn <dje.gcc@gmail.com>1995-08-30 20:55:51 +0000
committerDavid Edelsohn <dje.gcc@gmail.com>1995-08-30 20:55:51 +0000
commita52f75a078dfdc82a22c07cdccff4c76aab61fc1 (patch)
tree1e8dd9a212df278ee346ff5a015693acdca6ea9a /opcodes/sparc-opc.c
parent93dea4e68512d5fadf73af10ff44cad24b8664c9 (diff)
downloadgdb-a52f75a078dfdc82a22c07cdccff4c76aab61fc1.zip
gdb-a52f75a078dfdc82a22c07cdccff4c76aab61fc1.tar.gz
gdb-a52f75a078dfdc82a22c07cdccff4c76aab61fc1.tar.bz2
* sparc-opc.c (sparc_opcodes, prefetcha insn): Fix.
(lookup_{name,value}): New functions. (prefetch_table): New static local. (sparc_{encode,decode}_prefetch): New functions. * sparc-dis.c (print_insn): Handle '*' arg (prefetch function).
Diffstat (limited to 'opcodes/sparc-opc.c')
-rw-r--r--opcodes/sparc-opc.c128
1 files changed, 107 insertions, 21 deletions
diff --git a/opcodes/sparc-opc.c b/opcodes/sparc-opc.c
index 0495343..063ec6b 100644
--- a/opcodes/sparc-opc.c
+++ b/opcodes/sparc-opc.c
@@ -563,8 +563,8 @@ struct sparc_opcode sparc_opcodes[] = {
{ "flushw", F3(2, 0x2b, 0), F3(~2, ~0x2b, ~0)|RD_G0|RS1_G0|ASI_RS2(~0), "", 0, v9 },
-{ "membar", F3(2, 0x28, 1)|RS1(0xf), F3(~2, ~0x28, ~1)|RD_G0|RS1(~0xf)|SIMM13(~0), "K", 0, v9 },
-{ "stbar", F3(2, 0x28, 0)|RS1(0xf), F3(~2, ~0x28, ~0)|RD_G0|RS1(~0xf)|SIMM13(~0), "", 0, v8 },
+{ "membar", F3(2, 0x28, 1)|RS1(0xf), F3(~2, ~0x28, ~1)|RD_G0|RS1(~0xf)|SIMM13(~127), "K", 0, v9 },
+{ "stbar", F3(2, 0x28, 0)|RS1(0xf), F3(~2, ~0x28, ~0)|RD_G0|RS1(~0xf)|SIMM13(~0), "", 0, v8 },
{ "prefetch", F3(3, 0x2d, 0), F3(~3, ~0x2d, ~0), "[1+2],*", 0, v9 },
{ "prefetch", F3(3, 0x2d, 0), F3(~3, ~0x2d, ~0)|RS2_G0, "[1],*", 0, v9 }, /* prefetch [rs1+%g0],prefetch_fcn */
@@ -574,10 +574,10 @@ struct sparc_opcode sparc_opcodes[] = {
{ "prefetch", F3(3, 0x2d, 1), F3(~3, ~0x2d, ~1)|SIMM13(~0), "[1],*", 0, v9 }, /* prefetch [rs1+0],prefetch_fcn */
{ "prefetcha", F3(3, 0x3d, 0), F3(~3, ~0x3d, ~0), "[1+2]A,*", 0, v9 },
{ "prefetcha", F3(3, 0x3d, 0), F3(~3, ~0x3d, ~0)|RS2_G0, "[1]A,*", 0, v9 }, /* prefetcha [rs1+%g0],prefetch_fcn */
-{ "prefetcha", F3(3, 0x3d, 1), F3(~3, ~0x3d, ~1), "[1+i]o,d", 0, v9 },
-{ "prefetcha", F3(3, 0x3d, 1), F3(~3, ~0x3d, ~1), "[i+1]o,d", 0, v9 },
-{ "prefetcha", F3(3, 0x3d, 1), F3(~3, ~0x3d, ~1)|RS1_G0, "[i]o,d", 0, v9 },
-{ "prefetcha", F3(3, 0x3d, 1), F3(~3, ~0x3d, ~1)|SIMM13(~0), "[1]o,d", 0, v9 }, /* prefetcha [rs1+0],d */
+{ "prefetcha", F3(3, 0x3d, 1), F3(~3, ~0x3d, ~1), "[1+i]o,*", 0, v9 },
+{ "prefetcha", F3(3, 0x3d, 1), F3(~3, ~0x3d, ~1), "[i+1]o,*", 0, v9 },
+{ "prefetcha", F3(3, 0x3d, 1), F3(~3, ~0x3d, ~1)|RS1_G0, "[i]o,*", 0, v9 },
+{ "prefetcha", F3(3, 0x3d, 1), F3(~3, ~0x3d, ~1)|SIMM13(~0), "[1]o,*", 0, v9 }, /* prefetcha [rs1+0],d */
/* The 1<<12 is a long story. It is necessary. For more info, please contact rich@cygnus.com */
/* FIXME: 'i' is wrong, need new letter for 5 bit unsigned constants. */
@@ -1451,13 +1451,49 @@ IMPDEP ("impdep2", 0x37),
const int bfd_sparc_num_opcodes = ((sizeof sparc_opcodes)/(sizeof sparc_opcodes[0]));
-/* Handle ASI's. */
+/* Utilities for argument parsing. */
-static struct asi
+typedef struct
{
int value;
char *name;
-} asi[] =
+} arg;
+
+/* Look up NAME in TABLE. */
+
+static int
+lookup_name (table, name)
+ arg *table;
+ char *name;
+{
+ arg *p;
+
+ for (p = table; p->name; ++p)
+ if (strcmp (name, p->name) == 0)
+ return p->value;
+
+ return -1;
+}
+
+/* Look up VALUE in TABLE. */
+
+static char *
+lookup_value (table, value)
+ arg *table;
+ int value;
+{
+ arg *p;
+
+ for (p = table; p->name; ++p)
+ if (value == p->value)
+ return p->name;
+
+ return (char *) 0;
+}
+
+/* Handle ASI's. */
+
+static arg asi_table[] =
{
{ 0x10, "#ASI_AIUP" },
{ 0x11, "#ASI_AIUS" },
@@ -1492,13 +1528,7 @@ int
sparc_encode_asi (name)
char *name;
{
- struct asi *p;
-
- for (p = &asi[0]; p->name; ++p)
- if (strcmp (name, p->name) == 0)
- return p->value;
-
- return -1;
+ return lookup_name (asi_table, name);
}
/* Return the name for ASI value VALUE or NULL if not found. */
@@ -1507,11 +1537,67 @@ char *
sparc_decode_asi (value)
int value;
{
- struct asi *p;
+ return lookup_value (asi_table, value);
+}
+
+/* Handle membar masks. */
- for (p = &asi[0]; p->name; ++p)
- if (value == p->value)
- return p->name;
+static arg membar_table[] =
+{
+ { 0x40, "#Sync" },
+ { 0x20, "#MemIssue" },
+ { 0x10, "#Lookaside" },
+ { 0x08, "#StoreStore" },
+ { 0x04, "#LoadStore" },
+ { 0x02, "#StoreLoad" },
+ { 0x01, "#LoadLoad" },
+ { 0, 0 }
+};
- return (char *) 0;
+/* Return the value for membar arg NAME, or -1 if not found. */
+
+int
+sparc_encode_membar (name)
+ char *name;
+{
+ return lookup_name (membar_table, name);
+}
+
+/* Return the name for membar value VALUE or NULL if not found. */
+
+char *
+sparc_decode_membar (value)
+ int value;
+{
+ return lookup_value (membar_table, value);
+}
+
+/* Handle prefetch args. */
+
+static arg prefetch_table[] =
+{
+ { 0, "#n_reads" },
+ { 1, "#one_read" },
+ { 2, "#n_writes" },
+ { 3, "#one_write" },
+ { 4, "#page" },
+ { 0, 0 }
+};
+
+/* Return the value for prefetch arg NAME, or -1 if not found. */
+
+int
+sparc_encode_prefetch (name)
+ char *name;
+{
+ return lookup_name (prefetch_table, name);
+}
+
+/* Return the name for prefetch value VALUE or NULL if not found. */
+
+char *
+sparc_decode_prefetch (value)
+ int value;
+{
+ return lookup_value (prefetch_table, value);
}