diff options
| author | Khalid Aziz <khalid.aziz@oracle.com> | 2018-02-21 10:15:45 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-03-18 07:38:45 -0700 |
| commit | 750375003deae240967eed6b13529a4bfc8ca11e (patch) | |
| tree | 5e6accb3f665deb0efb64b7eb2f737d549927ec5 /arch/sparc/include/asm/ttable.h | |
| parent | ca827d55ebaa24de9fca36ee24e42d6fc5119ee3 (diff) | |
| download | linux-rt-750375003deae240967eed6b13529a4bfc8ca11e.tar.gz | |
sparc64: Add support for ADI register fields, ASIs and traps
SPARC M7 processor adds new control register fields, ASIs and a new
trap to support the ADI (Application Data Integrity) feature. This
patch adds definitions for these register fields, ASIs and a handler
for the new precise memory corruption detected trap.
Signed-off-by: Khalid Aziz <khalid.aziz@oracle.com>
Cc: Khalid Aziz <khalid@gonehiking.org>
Reviewed-by: Anthony Yznaga <anthony.yznaga@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/include/asm/ttable.h')
| -rw-r--r-- | arch/sparc/include/asm/ttable.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/ttable.h b/arch/sparc/include/asm/ttable.h index ede2b66cf4a0..8f6469408019 100644 --- a/arch/sparc/include/asm/ttable.h +++ b/arch/sparc/include/asm/ttable.h @@ -219,6 +219,16 @@ nop; \ nop; +#define SUN4V_MCD_PRECISE \ + ldxa [%g0] ASI_SCRATCHPAD, %g2; \ + ldx [%g2 + HV_FAULT_D_ADDR_OFFSET], %g4; \ + ldx [%g2 + HV_FAULT_D_CTX_OFFSET], %g5; \ + ba,pt %xcc, etrap; \ + rd %pc, %g7; \ + ba,pt %xcc, sun4v_mcd_detect_precise; \ + nop; \ + nop; + /* Before touching these macros, you owe it to yourself to go and * see how arch/sparc64/kernel/winfixup.S works... -DaveM * |