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Commit d671ddd6 authored by Michael Ellerman's avatar Michael Ellerman Committed by Benjamin Herrenschmidt
Browse files

powerpc: Add more exception trampolines for hypervisor exceptions 



This makes back traces and profiles easier to read.

Signed-off-by: default avatarMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent fa111f1f

arch/powerpc/kernel/exceptions-64s.S

+7 −1
Original line number Diff line number Diff line
@@ -293,27 +293,31 @@ system_call_pSeries: 
	 * out of line to handle them

	 */

	. = 0xe00

hv_exception_trampoline:

hv_data_storage_trampoline:

	SET_SCRATCH0(r13)

	EXCEPTION_PROLOG_0(PACA_EXGEN)

	b	h_data_storage_hv



	. = 0xe20

hv_instr_storage_trampoline:

	SET_SCRATCH0(r13)

	EXCEPTION_PROLOG_0(PACA_EXGEN)

	b	h_instr_storage_hv



	. = 0xe40

emulation_assist_trampoline:

	SET_SCRATCH0(r13)

	EXCEPTION_PROLOG_0(PACA_EXGEN)

	b	emulation_assist_hv



	. = 0xe60

hv_exception_trampoline:

	SET_SCRATCH0(r13)

	EXCEPTION_PROLOG_0(PACA_EXGEN)

	b	hmi_exception_hv



	. = 0xe80

hv_doorbell_trampoline:

	SET_SCRATCH0(r13)

	EXCEPTION_PROLOG_0(PACA_EXGEN)

	b	h_doorbell_hv
@@ -809,6 +813,7 @@ system_call_relon_pSeries: 
	b	.	/* Can't happen, see v2.07 Book III-S section 6.5 */



	. = 0x4e40

emulation_assist_relon_trampoline:

	SET_SCRATCH0(r13)

	EXCEPTION_PROLOG_0(PACA_EXGEN)

	b	emulation_assist_relon_hv
@@ -817,6 +822,7 @@ system_call_relon_pSeries: 
	b	.	/* Can't happen, see v2.07 Book III-S section 6.5 */



	. = 0x4e80

h_doorbell_relon_trampoline:

	SET_SCRATCH0(r13)

	EXCEPTION_PROLOG_0(PACA_EXGEN)

	b	h_doorbell_relon_hv