31 lines
1.1 KiB
Diff
31 lines
1.1 KiB
Diff
From f8028b0aa2318fc10df39c8dec1353b91e1597be Mon Sep 17 00:00:00 2001
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From: Anton Blanchard <anton@samba.org>
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Date: Wed, 1 May 2013 00:44:51 +0000
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Subject: [PATCH] target-ppc: Add read and write of PPR SPR
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Recent Linux kernels save and restore the PPR across exceptions
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so we need to handle it.
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Signed-off-by: Anton Blanchard <anton@au1.ibm.com>
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Signed-off-by: Alexander Graf <agraf@suse.de>
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(cherry picked from commit 04559d5210860ea5853db09c75ea8ff2f8843e16)
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---
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target-ppc/translate_init.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
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index 88d9dfa..7e46fdc 100644
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--- a/target-ppc/translate_init.c
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+++ b/target-ppc/translate_init.c
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@@ -6738,6 +6738,10 @@ static void init_proc_POWER7 (CPUPPCState *env)
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&spr_read_generic, &spr_write_generic,
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&spr_read_generic, &spr_write_generic,
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0x00000000);
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+ spr_register(env, SPR_PPR, "PPR",
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+ &spr_read_generic, &spr_write_generic,
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+ &spr_read_generic, &spr_write_generic,
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+ 0x00000000);
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#if !defined(CONFIG_USER_ONLY)
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env->slb_nr = 32;
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#endif
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