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yaml
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r: 133275
b: refs/heads/master
c: 1d015cf
h: refs/heads/master
i:
  133273: c53bcef
  133271: 2d50066
v: v3
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Magnus Damm authored and Paul Mundt committed Feb 27, 2009
1 parent eb2efa3 commit cb73164
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Showing 3 changed files with 156 additions and 150 deletions.
2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: b233b28eac0cc37d07c2d007ea08c86c778c5af4
refs/heads/master: 1d015cf02a1fd46385c03cf3ce8958dbea705dd3
31 changes: 8 additions & 23 deletions trunk/arch/sh/boards/mach-hp6xx/pm_wakeup.S
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#include <linux/linkage.h>
#include <cpu/mmu_context.h>

#define k0 r0
#define k1 r1
#define k2 r2
#define k3 r3
#define k4 r4

/*
* Kernel mode register usage:
* k0 scratch
* k1 scratch
* k2 scratch (Exception code)
* k3 scratch (Return address)
* k4 scratch
* k5 reserved
* k6 Global Interrupt Mask (0--15 << 4)
* k7 CURRENT_THREAD_INFO (pointer to current thread info)
* For more details, please have a look at entry.S
*/

#define k0 r0
#define k1 r1

ENTRY(wakeup_start)
! clear STBY bit
mov #-126, k2
mov #-126, k1
and #127, k0
mov.b k0, @k2
mov.b k0, @k1
! enable refresh
mov.l 5f, k1
mov.w 6f, k0
mov.w k0, @k1
! jump to handler
mov.l 2f, k2
mov.l 3f, k3
mov.l @k2, k2

mov.l 4f, k1
jmp @k1
nop
nop

.align 2
1: .long EXPEVT
2: .long INTEVT
3: .long ret_from_irq
4: .long handle_exception
4: .long handle_interrupt
5: .long 0xffffff68
6: .word 0x0524

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