summaryrefslogtreecommitdiff
path: root/arch/m68knommu/platform/68328
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68knommu/platform/68328')
-rw-r--r--arch/m68knommu/platform/68328/entry.S32
-rw-r--r--arch/m68knommu/platform/68328/ints.c72
2 files changed, 56 insertions, 48 deletions
diff --git a/arch/m68knommu/platform/68328/entry.S b/arch/m68knommu/platform/68328/entry.S
index b1aef72f3baf..9d80d2c42866 100644
--- a/arch/m68knommu/platform/68328/entry.S
+++ b/arch/m68knommu/platform/68328/entry.S
@@ -39,17 +39,17 @@
.globl inthandler7
badsys:
- movel #-ENOSYS,%sp@(PT_D0)
+ movel #-ENOSYS,%sp@(PT_OFF_D0)
jra ret_from_exception
do_trace:
- movel #-ENOSYS,%sp@(PT_D0) /* needed for strace*/
+ movel #-ENOSYS,%sp@(PT_OFF_D0) /* needed for strace*/
subql #4,%sp
SAVE_SWITCH_STACK
jbsr syscall_trace
RESTORE_SWITCH_STACK
addql #4,%sp
- movel %sp@(PT_ORIG_D0),%d1
+ movel %sp@(PT_OFF_ORIG_D0),%d1
movel #-ENOSYS,%d0
cmpl #NR_syscalls,%d1
jcc 1f
@@ -57,7 +57,7 @@ do_trace:
lea sys_call_table, %a0
jbsr %a0@(%d1)
-1: movel %d0,%sp@(PT_D0) /* save the return value */
+1: movel %d0,%sp@(PT_OFF_D0) /* save the return value */
subql #4,%sp /* dummy return address */
SAVE_SWITCH_STACK
jbsr syscall_trace
@@ -75,7 +75,7 @@ ENTRY(system_call)
jbsr set_esp0
addql #4,%sp
- movel %sp@(PT_ORIG_D0),%d0
+ movel %sp@(PT_OFF_ORIG_D0),%d0
movel %sp,%d1 /* get thread_info pointer */
andl #-THREAD_SIZE,%d1
@@ -88,10 +88,10 @@ ENTRY(system_call)
lea sys_call_table,%a0
movel %a0@(%d0), %a0
jbsr %a0@
- movel %d0,%sp@(PT_D0) /* save the return value*/
+ movel %d0,%sp@(PT_OFF_D0) /* save the return value*/
ret_from_exception:
- btst #5,%sp@(PT_SR) /* check if returning to kernel*/
+ btst #5,%sp@(PT_OFF_SR) /* check if returning to kernel*/
jeq Luser_return /* if so, skip resched, signals*/
Lkernel_return:
@@ -133,7 +133,7 @@ Lreturn:
*/
inthandler1:
SAVE_ALL
- movew %sp@(PT_VECTOR), %d0
+ movew %sp@(PT_OFF_VECTOR), %d0
and #0x3ff, %d0
movel %sp,%sp@-
@@ -144,7 +144,7 @@ inthandler1:
inthandler2:
SAVE_ALL
- movew %sp@(PT_VECTOR), %d0
+ movew %sp@(PT_OFF_VECTOR), %d0
and #0x3ff, %d0
movel %sp,%sp@-
@@ -155,7 +155,7 @@ inthandler2:
inthandler3:
SAVE_ALL
- movew %sp@(PT_VECTOR), %d0
+ movew %sp@(PT_OFF_VECTOR), %d0
and #0x3ff, %d0
movel %sp,%sp@-
@@ -166,7 +166,7 @@ inthandler3:
inthandler4:
SAVE_ALL
- movew %sp@(PT_VECTOR), %d0
+ movew %sp@(PT_OFF_VECTOR), %d0
and #0x3ff, %d0
movel %sp,%sp@-
@@ -177,7 +177,7 @@ inthandler4:
inthandler5:
SAVE_ALL
- movew %sp@(PT_VECTOR), %d0
+ movew %sp@(PT_OFF_VECTOR), %d0
and #0x3ff, %d0
movel %sp,%sp@-
@@ -188,7 +188,7 @@ inthandler5:
inthandler6:
SAVE_ALL
- movew %sp@(PT_VECTOR), %d0
+ movew %sp@(PT_OFF_VECTOR), %d0
and #0x3ff, %d0
movel %sp,%sp@-
@@ -199,7 +199,7 @@ inthandler6:
inthandler7:
SAVE_ALL
- movew %sp@(PT_VECTOR), %d0
+ movew %sp@(PT_OFF_VECTOR), %d0
and #0x3ff, %d0
movel %sp,%sp@-
@@ -210,7 +210,7 @@ inthandler7:
inthandler:
SAVE_ALL
- movew %sp@(PT_VECTOR), %d0
+ movew %sp@(PT_OFF_VECTOR), %d0
and #0x3ff, %d0
movel %sp,%sp@-
@@ -224,7 +224,7 @@ ret_from_interrupt:
2:
RESTORE_ALL
1:
- moveb %sp@(PT_SR), %d0
+ moveb %sp@(PT_OFF_SR), %d0
and #7, %d0
jhi 2b
diff --git a/arch/m68knommu/platform/68328/ints.c b/arch/m68knommu/platform/68328/ints.c
index 72e56d554f4f..b91ee85d4b5d 100644
--- a/arch/m68knommu/platform/68328/ints.c
+++ b/arch/m68knommu/platform/68328/ints.c
@@ -73,34 +73,6 @@ extern e_vector *_ramvec;
/* The number of spurious interrupts */
volatile unsigned int num_spurious;
-/*
- * This function should be called during kernel startup to initialize
- * the machine vector table.
- */
-void __init init_vectors(void)
-{
- int i;
-
- /* set up the vectors */
- for (i = 72; i < 256; ++i)
- _ramvec[i] = (e_vector) bad_interrupt;
-
- _ramvec[32] = system_call;
-
- _ramvec[65] = (e_vector) inthandler1;
- _ramvec[66] = (e_vector) inthandler2;
- _ramvec[67] = (e_vector) inthandler3;
- _ramvec[68] = (e_vector) inthandler4;
- _ramvec[69] = (e_vector) inthandler5;
- _ramvec[70] = (e_vector) inthandler6;
- _ramvec[71] = (e_vector) inthandler7;
-
- IVR = 0x40; /* Set DragonBall IVR (interrupt base) to 64 */
-
- /* turn off all interrupts */
- IMR = ~0;
-}
-
/* The 68k family did not have a good way to determine the source
* of interrupts until later in the family. The EC000 core does
* not provide the vector number on the stack, we vector everything
@@ -163,18 +135,54 @@ void process_int(int vec, struct pt_regs *fp)
}
}
-void enable_vector(unsigned int irq)
+static void intc_irq_unmask(unsigned int irq)
{
IMR &= ~(1<<irq);
}
-void disable_vector(unsigned int irq)
+static void intc_irq_mask(unsigned int irq)
{
IMR |= (1<<irq);
}
-void ack_vector(unsigned int irq)
+static struct irq_chip intc_irq_chip = {
+ .name = "M68K-INTC",
+ .mask = intc_irq_mask,
+ .unmask = intc_irq_unmask,
+};
+
+/*
+ * This function should be called during kernel startup to initialize
+ * the machine vector table.
+ */
+void __init init_IRQ(void)
{
- /* Nothing needed */
+ int i;
+
+ /* set up the vectors */
+ for (i = 72; i < 256; ++i)
+ _ramvec[i] = (e_vector) bad_interrupt;
+
+ _ramvec[32] = system_call;
+
+ _ramvec[65] = (e_vector) inthandler1;
+ _ramvec[66] = (e_vector) inthandler2;
+ _ramvec[67] = (e_vector) inthandler3;
+ _ramvec[68] = (e_vector) inthandler4;
+ _ramvec[69] = (e_vector) inthandler5;
+ _ramvec[70] = (e_vector) inthandler6;
+ _ramvec[71] = (e_vector) inthandler7;
+
+ IVR = 0x40; /* Set DragonBall IVR (interrupt base) to 64 */
+
+ /* turn off all interrupts */
+ IMR = ~0;
+
+ for (i = 0; (i < NR_IRQS); i++) {
+ irq_desc[i].status = IRQ_DISABLED;
+ irq_desc[i].action = NULL;
+ irq_desc[i].depth = 1;
+ irq_desc[i].chip = &intc_irq_chip;
+ }
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-16 12:23:21 +0000