gas/

	* config/m68k-parse.h (RAMBAR_ALT): New.
	* config/tc-m68k.c (mcf5206_ctrl, mcf5307_ctrl): New.
	(mcf_ctrl, mcf5208_ctrl, mcf5210a_ctrl, mcf5213_ctrl, mcf52235_ctrl,
	mcf5225_ctrl, mcf5235_ctrl, mcf5271_ctrl, mcf5275_ctrl,
	mcf5282_ctrl, mcf5329_ctrl, mcf5373_ctrl, mcfv4e_ctrl,
	mcf5475_ctrl, mcf5485_ctrl): Add RAMBAR synonym for
	RAMBAR1.
	(mcf5272_ctrl): Add RAMBAR0, replace add RAMBAR with RAMBAR_ALT.
	(m68k_cpus): Adjust 5206, 5206e & 5307 entries.
	(m68k_ip) <Case J>: Detect when RAMBAR_ALT should be used.  Add it
	to control register mapping.

	gas/testsuite/
	* gas/m68k/ctrl-1.d, gas/m68k/ctrl-1.s: New.
	* gas/m68k/ctrl-2.d, gas/m68k/ctrl-2.s: New.
	* gas/m68k/all.exp: Add them.

	opcodes/
	* m68k-dis.c (print_insn_arg): Show c04 as rambar0 and c05 as
	rambar1.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 33f9bf6..0d97c45 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,17 @@
+2007-04-20  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/m68k-parse.h (RAMBAR_ALT): New.
+       * config/tc-m68k.c (mcf5206_ctrl, mcf5307_ctrl): New.
+       (mcf_ctrl, mcf5208_ctrl, mcf5210a_ctrl, mcf5213_ctrl, mcf52235_ctrl,
+       mcf5225_ctrl, mcf5235_ctrl, mcf5271_ctrl, mcf5275_ctrl,
+       mcf5282_ctrl, mcf5329_ctrl, mcf5373_ctrl, mcfv4e_ctrl,
+       mcf5475_ctrl, mcf5485_ctrl): Add RAMBAR synonym for
+       RAMBAR1.
+       (mcf5272_ctrl): Add RAMBAR0, replace add RAMBAR with RAMBAR_ALT.
+       (m68k_cpus): Adjust 5206, 5206e & 5307 entries.
+       (m68k_ip) <Case J>: Detect when RAMBAR_ALT should be used.  Add it
+       to control register mapping.
+
 2007-04-20  Alan Modra  <amodra@bigpond.net.au>
 
        * messages.c (as_internal_value_out_of_range): Fix typo in

diff --git a/gas/config/m68k-parse.h b/gas/config/m68k-parse.h
index 6bd85cd..4351609 100644 (file)
--- a/gas/config/m68k-parse.h
+++ b/gas/config/m68k-parse.h
@@ -113,6 +113,8 @@ enum m68k_register
   BUSCR,                       /* 68060 added these.  */
   PCR,
   ROMBAR,                      /* mcf5200 added these.  */
+  RAMBAR_ALT,                  /* Some CF chips have RAMBAR using
+                                  RAMBAR0's number */
   RAMBAR0,
   RAMBAR1,
   MMUBAR,                      /* mcfv4e added these.  */

diff --git a/gas/config/tc-m68k.c b/gas/config/tc-m68k.c
index bc35fda..4e7391e 100644 (file)
--- a/gas/config/tc-m68k.c
+++ b/gas/config/tc-m68k.c
@@ -173,39 +173,43 @@ static const enum m68k_register m68060_ctrl[] = {
 };
 static const enum m68k_register mcf_ctrl[] = {
   CACR, TC, ACR0, ACR1, ACR2, ACR3, VBR, ROMBAR,
-  RAMBAR0, RAMBAR1, MBAR,
+  RAMBAR0, RAMBAR1, RAMBAR, MBAR,
+  0
+};
+static const enum m68k_register mcf5206_ctrl[] = {
+  CACR, ACR0, ACR1,  VBR, RAMBAR0, RAMBAR_ALT, MBAR,
   0
 };
 static const enum m68k_register mcf5208_ctrl[] = {
-  CACR, ACR0, ACR1, VBR, RAMBAR1,
+  CACR, ACR0, ACR1, VBR,  RAMBAR, RAMBAR1,
   0
 };
 static const enum m68k_register mcf5210a_ctrl[] = {
-  VBR, CACR, ACR0, ACR1, ROMBAR, RAMBAR, MBAR,
+  VBR, CACR, ACR0, ACR1, ROMBAR, RAMBAR, RAMBAR1, MBAR,
   0
 };
 static const enum m68k_register mcf5213_ctrl[] = {
-  VBR, RAMBAR, FLASHBAR,
+  VBR, RAMBAR, RAMBAR1, FLASHBAR,
   0
 };
 static const enum m68k_register mcf5216_ctrl[] = {
-  VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR,
+  VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, RAMBAR1,
   0
 };
 static const enum m68k_register mcf52235_ctrl[] = {
-  VBR, FLASHBAR, RAMBAR,
+  VBR, FLASHBAR, RAMBAR, RAMBAR1,
   0
 };
 static const enum m68k_register mcf5225_ctrl[] = {
-  VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, MBAR,
+  VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, MBAR, RAMBAR1,
   0
 };
 static const enum m68k_register mcf5235_ctrl[] = {
-  VBR, CACR, ACR0, ACR1, RAMBAR,
+  VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1,
   0
 };
 static const enum m68k_register mcf5249_ctrl[] = {
-  VBR, CACR, ACR0, ACR1, RAMBAR0, RAMBAR1, MBAR, MBAR2,
+  VBR, CACR, ACR0, ACR1, RAMBAR0, RAMBAR1, RAMBAR, MBAR, MBAR2,
   0
 };
 static const enum m68k_register mcf5250_ctrl[] = {
@@ -213,27 +217,31 @@ static const enum m68k_register mcf5250_ctrl[] = {
   0
 };
 static const enum m68k_register mcf5271_ctrl[] = {
-  VBR, CACR, ACR0, ACR1, RAMBAR,
+  VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1,
   0
 };
 static const enum m68k_register mcf5272_ctrl[] = {
-  VBR, CACR, ACR0, ACR1, ROMBAR, RAMBAR, MBAR,
+  VBR, CACR, ACR0, ACR1, ROMBAR, RAMBAR_ALT, RAMBAR0, MBAR,
   0
 };
 static const enum m68k_register mcf5275_ctrl[] = {
-  VBR, CACR, ACR0, ACR1, RAMBAR,
+  VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1,
   0
 };
 static const enum m68k_register mcf5282_ctrl[] = {
-  VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR,
+  VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, RAMBAR1,
+  0
+};
+static const enum m68k_register mcf5307_ctrl[] = {
+  CACR, ACR0, ACR1,  VBR, RAMBAR0, RAMBAR_ALT, MBAR,
   0
 };
 static const enum m68k_register mcf5329_ctrl[] = {
-  VBR, CACR, ACR0, ACR1, RAMBAR,
+  VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1,
   0
 };
 static const enum m68k_register mcf5373_ctrl[] = {
-  VBR, CACR, ACR0, ACR1, RAMBAR,
+  VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1,
   0
 };
 static const enum m68k_register mcfv4e_ctrl[] = {
@@ -249,7 +257,7 @@ static const enum m68k_register mcfv4e_ctrl[] = {
   TC /* ASID */, BUSCR /* MMUBAR */,
   ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */,
   MBAR1 /* MBAR */, MBAR2 /* SECMBAR */, MBAR0 /* SECMBAR */,
-  ROMBAR /* ROMBAR0 */,
+  ROMBAR /* ROMBAR0 */, RAMBAR /* RAMBAR1 */,
   0
 };
 static const enum m68k_register mcf5475_ctrl[] = {
@@ -258,7 +266,7 @@ static const enum m68k_register mcf5475_ctrl[] = {
   /* Legacy names */
   TC /* ASID */, BUSCR /* MMUBAR */,
   ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */,
-  MBAR1 /* MBAR */, ROMBAR /* ROMBAR0 */,
+  MBAR1 /* MBAR */, RAMBAR /* RAMBAR1 */,
   0
 };
 static const enum m68k_register mcf5485_ctrl[] = {
@@ -267,7 +275,7 @@ static const enum m68k_register mcf5485_ctrl[] = {
   /* Legacy names */
   TC /* ASID */, BUSCR /* MMUBAR */,
   ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */,
-  MBAR1 /* MBAR */, ROMBAR /* ROMBAR0 */,
+  MBAR1 /* MBAR */, RAMBAR /* RAMBAR1 */,
   0
 };
 static const enum m68k_register fido_ctrl[] = {
@@ -530,9 +538,9 @@ static const struct m68k_cpu m68k_cpus[] =
   {mcfisa_a,                                   mcf_ctrl, "5200", 0},
   {mcfisa_a,                                   mcf_ctrl, "5202", 1},
   {mcfisa_a,                                   mcf_ctrl, "5204", 1},
-  {mcfisa_a,                                   mcf_ctrl, "5206", 1},
+  {mcfisa_a,                                   mcf5206_ctrl, "5206", 1},
   
-  {mcfisa_a|mcfhwdiv|mcfmac,                   mcf_ctrl, "5206e", 0},
+  {mcfisa_a|mcfhwdiv|mcfmac,                   mcf5206_ctrl, "5206e", 0},
   
   {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5208_ctrl, "5207", -1},
   {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5208_ctrl, "5208", 0},
@@ -578,7 +586,7 @@ static const struct m68k_cpu m68k_cpus[] =
   {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5282", -1},
   {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "528x", 0},
   
-  {mcfisa_a|mcfhwdiv|mcfmac,                   mcf_ctrl, "5307", 0},
+  {mcfisa_a|mcfhwdiv|mcfmac,                   mcf5307_ctrl, "5307", 0},
   
   {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5327", -1},
   {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5328", -1},
@@ -1743,8 +1751,18 @@ m68k_ip (char *instring)
                      const enum m68k_register *rp;
                      
                      for (rp = control_regs; *rp; rp++)
-                       if (*rp == opP->reg)
-                         break;
+                       {
+                         if (*rp == opP->reg)
+                           break;
+                         /* In most CPUs RAMBAR refers to control reg
+                            c05 (RAMBAR1), but a few CPUs have it
+                            refer to c04 (RAMBAR0).  */
+                         else if (*rp == RAMBAR_ALT && opP->reg == RAMBAR)
+                           {
+                             opP->reg = RAMBAR_ALT;
+                             break;
+                           }
+                       }
                      if (*rp == 0)
                        losing++;
                    }
@@ -3075,6 +3093,7 @@ m68k_ip (char *instring)
               break;
            case FLASHBAR:
            case RAMBAR0:
+           case RAMBAR_ALT:
              tmpreg = 0xC04;
              break;
            case RAMBAR:

diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 19cc782..5d24705 100644 (file)
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2007-04-20  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * gas/m68k/ctrl-1.d, gas/m68k/ctrl-1.s: New.
+       * gas/m68k/ctrl-2.d, gas/m68k/ctrl-2.s: New.
+       * gas/m68k/all.exp: Add them.
+
 2007-04-20  Alan Modra  <amodra@bigpond.net.au>
 
        * gas/ppc/range64.s: New.

diff --git a/gas/testsuite/gas/m68k/all.exp b/gas/testsuite/gas/m68k/all.exp
index 88a3088..62badbc 100644 (file)
--- a/gas/testsuite/gas/m68k/all.exp
+++ b/gas/testsuite/gas/m68k/all.exp
@@ -52,6 +52,9 @@ if { [istarget m68*-*-*] || [istarget fido*-*-*] } then {
     run_dump_test arch-cpu-1
     run_dump_test cpu32
 
+    run_dump_test ctrl-1
+    run_dump_test ctrl-2
+
     set testname "68000 operands"
     gas_run "operands.s" "-m68000" "2>err.out"
     if ![string match "child process exited abnormally" $comp_output] then {

diff --git a/gas/testsuite/gas/m68k/ctrl-1.d b/gas/testsuite/gas/m68k/ctrl-1.d
new file mode 100644 (file)
index 0000000..d434728
--- /dev/null
+++ b/gas/testsuite/gas/m68k/ctrl-1.d
@@ -0,0 +1,12 @@
+#name: ctrl-1.d
+#objdump: -d
+#as: -mcpu=5307
+
+.*:     file format .*
+
+Disassembly of section .text:
+
+0+ <.text>:
+   0:  4e7b 0c04       movec %d0,%rambar0
+   4:  4e7b 0c04       movec %d0,%rambar0
+

diff --git a/gas/testsuite/gas/m68k/ctrl-1.s b/gas/testsuite/gas/m68k/ctrl-1.s
new file mode 100644 (file)
index 0000000..cac82d9
--- /dev/null
+++ b/gas/testsuite/gas/m68k/ctrl-1.s
@@ -0,0 +1,2 @@
+       movec   %d0,%rambar
+       movec   %d0,%rambar0

diff --git a/gas/testsuite/gas/m68k/ctrl-2.d b/gas/testsuite/gas/m68k/ctrl-2.d
new file mode 100644 (file)
index 0000000..00b8aa3
--- /dev/null
+++ b/gas/testsuite/gas/m68k/ctrl-2.d
@@ -0,0 +1,11 @@
+#name: ctrl-2.d
+#objdump: -d
+#as: -mcpu=5208
+
+.*:     file format .*
+
+Disassembly of section .text:
+
+0+ <.text>:
+   0:  4e7b 0c05       movec %d0,%rambar1
+   4:  4e7b 0c05       movec %d0,%rambar1

diff --git a/gas/testsuite/gas/m68k/ctrl-2.s b/gas/testsuite/gas/m68k/ctrl-2.s
new file mode 100644 (file)
index 0000000..3a36db0
--- /dev/null
+++ b/gas/testsuite/gas/m68k/ctrl-2.s
@@ -0,0 +1,2 @@
+       movec   %d0,%rambar
+       movec   %d0,%rambar1

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 329126c..f92ffcc 100644 (file)
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,8 @@
+2007-04-20  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * m68k-dis.c (print_insn_arg): Show c04 as rambar0 and c05 as
+       rambar1.
+
 2007-04-20  Alan Modra  <amodra@bigpond.net.au>
 
        * ppc-dis.c (print_insn_powerpc): Adjust for struct powerpc_operand

diff --git a/opcodes/m68k-dis.c b/opcodes/m68k-dis.c
index 16ad7e4..d964ef4 100644 (file)
--- a/opcodes/m68k-dis.c
+++ b/opcodes/m68k-dis.c
@@ -645,7 +645,9 @@ print_insn_arg (const char *d,
              {"%dtt0",0x006}, {"%dtt1",0x007}, {"%buscr",0x008},
             {"%usp", 0x800}, {"%vbr", 0x801}, {"%caar", 0x802},
             {"%msp", 0x803}, {"%isp", 0x804},
-            {"%flashbar", 0xc04}, {"%rambar", 0xc05}, /* mcf528x added these.  */
+            /* reg c04 is sometimes called flashbar or rambar.
+               rec c05 is also sometimes called rambar.  */
+            {"%rambar0", 0xc04}, {"%rambar1", 0xc05},
 
             /* Should we be calling this psr like we do in case 'Y'?  */
             {"%mmusr",0x805},