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PPC: E500: Add doorbell defines

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We're going to introduce doorbell instructions (called processor
control in the spec) soon. Add some defines for easier patch
readability later.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2012-01-31 03:11:32 +01:00
parent 0ef654e3fc
commit 58e00a2432
1 changed files with 16 additions and 0 deletions
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16
target-ppc/cpu.h
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@ -857,6 +857,22 @@ enum {
/* number of possible TLBs */
#define BOOKE206_MAX_TLBN 4
/*****************************************************************************/
/* Embedded.Processor Control */
#define DBELL_TYPE_SHIFT 27
#define DBELL_TYPE_MASK (0x1f << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_DBELL (0x00 << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_DBELL_CRIT (0x01 << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_G_DBELL (0x02 << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_G_DBELL_CRIT (0x03 << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_G_DBELL_MC (0x04 << DBELL_TYPE_SHIFT)
#define DBELL_BRDCAST (1 << 26)
#define DBELL_LPIDTAG_SHIFT 14
#define DBELL_LPIDTAG_MASK (0xfff << DBELL_LPIDTAG_SHIFT)
#define DBELL_PIRTAG_MASK 0x3fff
/*****************************************************************************/
/* The whole PowerPC CPU context */
#define NB_MMU_MODES 3