ia64/linux-2.6.18-xen.hg

view arch/m68k/apollo/dn_ints.c @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 #include <linux/interrupt.h>
3 #include <asm/irq.h>
4 #include <asm/traps.h>
5 #include <asm/apollohw.h>
7 void dn_process_int(unsigned int irq, struct pt_regs *fp)
8 {
9 m68k_handle_int(irq, fp);
11 *(volatile unsigned char *)(pica)=0x20;
12 *(volatile unsigned char *)(picb)=0x20;
13 }
15 int apollo_irq_startup(unsigned int irq)
16 {
17 if (irq < 8)
18 *(volatile unsigned char *)(pica+1) &= ~(1 << irq);
19 else
20 *(volatile unsigned char *)(picb+1) &= ~(1 << (irq - 8));
21 return 0;
22 }
24 void apollo_irq_shutdown(unsigned int irq)
25 {
26 if (irq < 8)
27 *(volatile unsigned char *)(pica+1) |= (1 << irq);
28 else
29 *(volatile unsigned char *)(picb+1) |= (1 << (irq - 8));
30 }
32 static struct irq_controller apollo_irq_controller = {
33 .name = "apollo",
34 .lock = SPIN_LOCK_UNLOCKED,
35 .startup = apollo_irq_startup,
36 .shutdown = apollo_irq_shutdown,
37 };
40 void dn_init_IRQ(void)
41 {
42 m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int);
43 m68k_setup_irq_controller(&apollo_irq_controller, IRQ_APOLLO, 16);
44 }