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sparc64: Add support for ADI register fields, ASIs and traps

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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>
This commit is contained in:
Khalid Aziz
2018-02-21 10:15:45 -07:00
committed by David S. Miller
parent ca827d55eb
commit 750375003d
10 changed files with 109 additions and 2 deletions
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6
arch/sparc/kernel/ttable_64.S
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@@ -26,8 +26,10 @@ tl0_ill: membar #Sync
TRAP_7INSNS(do_illegal_instruction)
tl0_privop: TRAP(do_privop)
tl0_resv012: BTRAP(0x12) BTRAP(0x13) BTRAP(0x14) BTRAP(0x15) BTRAP(0x16) BTRAP(0x17)
tl0_resv018: BTRAP(0x18) BTRAP(0x19) BTRAP(0x1a) BTRAP(0x1b) BTRAP(0x1c) BTRAP(0x1d)
tl0_resv01e: BTRAP(0x1e) BTRAP(0x1f)
tl0_resv018: BTRAP(0x18) BTRAP(0x19)
tl0_mcd: SUN4V_MCD_PRECISE
tl0_resv01b: BTRAP(0x1b)
tl0_resv01c: BTRAP(0x1c) BTRAP(0x1d) BTRAP(0x1e) BTRAP(0x1f)
tl0_fpdis: TRAP_NOSAVE(do_fpdis)
tl0_fpieee: TRAP_SAVEFPU(do_fpieee)
tl0_fpother: TRAP_NOSAVE(do_fpother_check_fitos)