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authorRalf Baechle <ralf@linux-mips.org>2006-06-03 17:40:15 -0400
committerRalf Baechle <ralf@linux-mips.org>2006-06-29 16:10:49 -0400
commit4277ff5ee55694f67d9c6586bb4c06991e221a68 (patch)
treec75ff9101d0dc14688c86f709370d3e122e7402a /arch/mips
parentb4ab24e1c8c1442b2928bab1325b56bdbbcf898e (diff)
[MIPS] Fix use of ehb instruction for non-R2 configurations.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/kernel/entry.S6
-rw-r--r--arch/mips/kernel/gdb-low.S4
-rw-r--r--arch/mips/kernel/genex.S2
-rw-r--r--arch/mips/kernel/head.S2
-rw-r--r--arch/mips/kernel/r4k_switch.S6
-rw-r--r--arch/mips/kernel/smtc-asm.S10
6 files changed, 15 insertions, 15 deletions
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index a9c6de1b9542..457565162dd5 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -87,7 +87,7 @@ FEXPORT(restore_all) # restore full frame
87 ori v1, v0, TCSTATUS_IXMT 87 ori v1, v0, TCSTATUS_IXMT
88 mtc0 v1, CP0_TCSTATUS 88 mtc0 v1, CP0_TCSTATUS
89 andi v0, TCSTATUS_IXMT 89 andi v0, TCSTATUS_IXMT
90 ehb 90 _ehb
91 mfc0 t0, CP0_TCCONTEXT 91 mfc0 t0, CP0_TCCONTEXT
92 DMT 9 # dmt t1 92 DMT 9 # dmt t1
93 jal mips_ihb 93 jal mips_ihb
@@ -95,7 +95,7 @@ FEXPORT(restore_all) # restore full frame
95 andi t3, t0, 0xff00 95 andi t3, t0, 0xff00
96 or t2, t2, t3 96 or t2, t2, t3
97 mtc0 t2, CP0_STATUS 97 mtc0 t2, CP0_STATUS
98 ehb 98 _ehb
99 andi t1, t1, VPECONTROL_TE 99 andi t1, t1, VPECONTROL_TE
100 beqz t1, 1f 100 beqz t1, 1f
101 EMT 101 EMT
@@ -105,7 +105,7 @@ FEXPORT(restore_all) # restore full frame
105 xori v1, v1, TCSTATUS_IXMT 105 xori v1, v1, TCSTATUS_IXMT
106 or v1, v0, v1 106 or v1, v0, v1
107 mtc0 v1, CP0_TCSTATUS 107 mtc0 v1, CP0_TCSTATUS
108 ehb 108 _ehb
109 xor t0, t0, t3 109 xor t0, t0, t3
110 mtc0 t0, CP0_TCCONTEXT 110 mtc0 t0, CP0_TCCONTEXT
111#endif /* CONFIG_MIPS_MT_SMTC */ 111#endif /* CONFIG_MIPS_MT_SMTC */
diff --git a/arch/mips/kernel/gdb-low.S b/arch/mips/kernel/gdb-low.S
index 5fd7a8af0c62..8760131f89d9 100644
--- a/arch/mips/kernel/gdb-low.S
+++ b/arch/mips/kernel/gdb-low.S
@@ -291,7 +291,7 @@
291 ori t1, t2, TCSTATUS_IXMT 291 ori t1, t2, TCSTATUS_IXMT
292 mtc0 t1, CP0_TCSTATUS 292 mtc0 t1, CP0_TCSTATUS
293 andi t2, t2, TCSTATUS_IXMT 293 andi t2, t2, TCSTATUS_IXMT
294 ehb 294 _ehb
295 DMT 9 # dmt t1 295 DMT 9 # dmt t1
296 jal mips_ihb 296 jal mips_ihb
297 nop 297 nop
@@ -310,7 +310,7 @@
310 xori t1, t1, TCSTATUS_IXMT 310 xori t1, t1, TCSTATUS_IXMT
311 or t1, t1, t2 311 or t1, t1, t2
312 mtc0 t1, CP0_TCSTATUS 312 mtc0 t1, CP0_TCSTATUS
313 ehb 313 _ehb
314#endif /* CONFIG_MIPS_MT_SMTC */ 314#endif /* CONFIG_MIPS_MT_SMTC */
315 LONG_L v0, GDB_FR_STATUS(sp) 315 LONG_L v0, GDB_FR_STATUS(sp)
316 LONG_L v1, GDB_FR_EPC(sp) 316 LONG_L v1, GDB_FR_EPC(sp)
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index ff7af369f286..6888cde560af 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -214,7 +214,7 @@ NESTED(except_vec_vi_handler, 0, sp)
214 mtc0 t0, CP0_TCCONTEXT 214 mtc0 t0, CP0_TCCONTEXT
215 xor t1, t1, t0 215 xor t1, t1, t0
216 mtc0 t1, CP0_STATUS 216 mtc0 t1, CP0_STATUS
217 ehb 217 _ehb
218#endif /* CONFIG_MIPS_MT_SMTC */ 218#endif /* CONFIG_MIPS_MT_SMTC */
219 CLI 219 CLI
220 move a0, sp 220 move a0, sp
diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S
index bdf6f6eff721..c018098c9a56 100644
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -96,7 +96,7 @@
96 /* Clear TKSU, leave IXMT */ 96 /* Clear TKSU, leave IXMT */
97 xori t0, 0x00001800 97 xori t0, 0x00001800
98 mtc0 t0, CP0_TCSTATUS 98 mtc0 t0, CP0_TCSTATUS
99 ehb 99 _ehb
100 /* We need to leave the global IE bit set, but clear EXL...*/ 100 /* We need to leave the global IE bit set, but clear EXL...*/
101 mfc0 t0, CP0_STATUS 101 mfc0 t0, CP0_STATUS
102 or t0, ST0_CU0 | ST0_EXL | ST0_ERL | \set | \clr 102 or t0, ST0_CU0 | ST0_EXL | ST0_ERL | \set | \clr
diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S
index db94e556fc97..e1b85e6c486a 100644
--- a/arch/mips/kernel/r4k_switch.S
+++ b/arch/mips/kernel/r4k_switch.S
@@ -94,7 +94,7 @@
94 ori t1, t2, TCSTATUS_IXMT 94 ori t1, t2, TCSTATUS_IXMT
95 mtc0 t1, CP0_TCSTATUS 95 mtc0 t1, CP0_TCSTATUS
96 andi t2, t2, TCSTATUS_IXMT 96 andi t2, t2, TCSTATUS_IXMT
97 ehb 97 _ehb
98 DMT 8 # dmt t0 98 DMT 8 # dmt t0
99 move t1,ra 99 move t1,ra
100 jal mips_ihb 100 jal mips_ihb
@@ -109,7 +109,7 @@
109 or a2, t1 109 or a2, t1
110 mtc0 a2, CP0_STATUS 110 mtc0 a2, CP0_STATUS
111#ifdef CONFIG_MIPS_MT_SMTC 111#ifdef CONFIG_MIPS_MT_SMTC
112 ehb 112 _ehb
113 andi t0, t0, VPECONTROL_TE 113 andi t0, t0, VPECONTROL_TE
114 beqz t0, 1f 114 beqz t0, 1f
115 emt 115 emt
@@ -118,7 +118,7 @@
118 xori t1, t1, TCSTATUS_IXMT 118 xori t1, t1, TCSTATUS_IXMT
119 or t1, t1, t2 119 or t1, t1, t2
120 mtc0 t1, CP0_TCSTATUS 120 mtc0 t1, CP0_TCSTATUS
121 ehb 121 _ehb
122#endif /* CONFIG_MIPS_MT_SMTC */ 122#endif /* CONFIG_MIPS_MT_SMTC */
123 move v0, a0 123 move v0, a0
124 jr ra 124 jr ra
diff --git a/arch/mips/kernel/smtc-asm.S b/arch/mips/kernel/smtc-asm.S
index c9d65196d917..72c6d98f8854 100644
--- a/arch/mips/kernel/smtc-asm.S
+++ b/arch/mips/kernel/smtc-asm.S
@@ -52,12 +52,12 @@ FEXPORT(__smtc_ipi_vector)
52 .set noat 52 .set noat
53 /* Disable thread scheduling to make Status update atomic */ 53 /* Disable thread scheduling to make Status update atomic */
54 DMT 27 # dmt k1 54 DMT 27 # dmt k1
55 ehb 55 _ehb
56 /* Set EXL */ 56 /* Set EXL */
57 mfc0 k0,CP0_STATUS 57 mfc0 k0,CP0_STATUS
58 ori k0,k0,ST0_EXL 58 ori k0,k0,ST0_EXL
59 mtc0 k0,CP0_STATUS 59 mtc0 k0,CP0_STATUS
60 ehb 60 _ehb
61 /* Thread scheduling now inhibited by EXL. Restore TE state. */ 61 /* Thread scheduling now inhibited by EXL. Restore TE state. */
62 andi k1,k1,VPECONTROL_TE 62 andi k1,k1,VPECONTROL_TE
63 beqz k1,1f 63 beqz k1,1f
@@ -82,7 +82,7 @@ FEXPORT(__smtc_ipi_vector)
82 li k1,ST0_CU0 82 li k1,ST0_CU0
83 or k1,k1,k0 83 or k1,k1,k0
84 mtc0 k1,CP0_STATUS 84 mtc0 k1,CP0_STATUS
85 ehb 85 _ehb
86 get_saved_sp 86 get_saved_sp
87 /* Interrupting TC will have pre-set values in slots in the new frame */ 87 /* Interrupting TC will have pre-set values in slots in the new frame */
882: subu k1,k1,PT_SIZE 882: subu k1,k1,PT_SIZE
@@ -90,7 +90,7 @@ FEXPORT(__smtc_ipi_vector)
90 lw k0,PT_TCSTATUS(k1) 90 lw k0,PT_TCSTATUS(k1)
91 /* Write it to TCStatus to restore CU/KSU/IXMT state */ 91 /* Write it to TCStatus to restore CU/KSU/IXMT state */
92 mtc0 k0,$2,1 92 mtc0 k0,$2,1
93 ehb 93 _ehb
94 lw k0,PT_EPC(k1) 94 lw k0,PT_EPC(k1)
95 mtc0 k0,CP0_EPC 95 mtc0 k0,CP0_EPC
96 /* Save all will redundantly recompute the SP, but use it for now */ 96 /* Save all will redundantly recompute the SP, but use it for now */
@@ -116,7 +116,7 @@ LEAF(self_ipi)
116 mfc0 t0,CP0_TCSTATUS 116 mfc0 t0,CP0_TCSTATUS
117 ori t1,t0,TCSTATUS_IXMT 117 ori t1,t0,TCSTATUS_IXMT
118 mtc0 t1,CP0_TCSTATUS 118 mtc0 t1,CP0_TCSTATUS
119 ehb 119 _ehb
120 /* We know we're in kernel mode, so prepare stack frame */ 120 /* We know we're in kernel mode, so prepare stack frame */
121 subu t1,sp,PT_SIZE 121 subu t1,sp,PT_SIZE
122 sw ra,PT_EPC(t1) 122 sw ra,PT_EPC(t1)