openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

powerpc/64: More definitions for POWER9 

This adds definitions for bits in the DSISR register which are used
by POWER9 for various translation-related exception conditions, and
for some more bits in the partition table entry that will be needed
by KVM.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Paul Mackerras 2017-01-30 21:21:37 +11:00 committed by Michael Ellerman
parent cc3d294013
commit dbcbfee0c8
2 changed files with 15 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
arch/powerpc/include/asm/book3s/64/mmu.h
View File

@ -44,10 +44,20 @@ struct patb_entry {
};
extern struct patb_entry *partition_tb;
/* Bits in patb0 field */
#define PATB_HR (1UL << 63)
#define PATB_GR (1UL << 63)
#define RPDB_MASK 0x0ffffffffffff00fUL
#define RPDB_SHIFT (1UL << 8)
#define RTS1_SHIFT 61 /* top 2 bits of radix tree size */
#define RTS1_MASK (3UL << RTS1_SHIFT)
#define RTS2_SHIFT 5 /* bottom 3 bits of radix tree size */
#define RTS2_MASK (7UL << RTS2_SHIFT)
#define RPDS_MASK 0x1f /* root page dir. size field */
/* Bits in patb1 field */
#define PATB_GR (1UL << 63) /* guest uses radix; must match HR */
#define PRTS_MASK 0x1f /* process table size field */
/*
* Limit process table to PAGE_SIZE table. This
* also limit the max pid we can support.

4
arch/powerpc/include/asm/reg.h
View File

@ -274,10 +274,14 @@
#define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
#define DSISR_NOHPTE 0x40000000 /* no translation found */
#define DSISR_PROTFAULT 0x08000000 /* protection fault */
#define DSISR_BADACCESS 0x04000000 /* bad access to CI or G */
#define DSISR_ISSTORE 0x02000000 /* access was a store */
#define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */
#define DSISR_NOSEGMENT 0x00200000 /* SLB miss */
#define DSISR_KEYFAULT 0x00200000 /* Key fault */
#define DSISR_UNSUPP_MMU 0x00080000 /* Unsupported MMU config */
#define DSISR_SET_RC 0x00040000 /* Failed setting of R/C bits */
#define DSISR_PGDIRFAULT 0x00020000 /* Fault on page directory */
#define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */
#define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */
#define SPRN_CIR 0x11B /* Chip Information Register (hyper, R/0) */