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[Qemu-ppc] [PATCH v3 06/24] target-ppc: Enable writes to user-privileged
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From: |
Alexey Kardashevskiy |
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Subject: |
[Qemu-ppc] [PATCH v3 06/24] target-ppc: Enable writes to user-privileged PMU registers |
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Date: |
Tue, 27 May 2014 20:37:18 +1000 |
This adds spr_write_ureg() helper and uses it for UPMCx and MMCR0 SPRs.
Signed-off-by: Alexey Kardashevskiy <address@hidden>
---
target-ppc/translate_init.c | 25 +++++++++++++++----------
1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 88acf70..595fd3f 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -175,6 +175,11 @@ static void spr_read_ureg (void *opaque, int gprn, int
sprn)
gen_load_spr(cpu_gpr[gprn], sprn + 0x10);
}
+static void spr_write_ureg(void *opaque, int gprn, int sprn)
+{
+ gen_store_spr(sprn + 0x10, cpu_gpr[gprn]);
+}
+
/* SPR common to all non-embedded PowerPC */
/* DECR */
#if !defined(CONFIG_USER_ONLY)
@@ -7379,28 +7384,28 @@ static void gen_spr_book3s_pmu(CPUPPCState *env)
&spr_read_generic, SPR_NOACCESS,
0x00000000);
spr_register(env, SPR_POWER_UMMCR0, "UMMCR0",
- &spr_read_ureg, SPR_NOACCESS,
- &spr_read_ureg, SPR_NOACCESS,
+ &spr_read_ureg, &spr_write_ureg,
+ &spr_read_ureg, &spr_write_ureg,
0x00000000);
spr_register(env, SPR_POWER_UMMCR1, "UMMCR1",
&spr_read_ureg, SPR_NOACCESS,
&spr_read_ureg, SPR_NOACCESS,
0x00000000);
spr_register(env, SPR_POWER_UPMC1, "UPMC1",
- &spr_read_ureg, SPR_NOACCESS,
- &spr_read_ureg, SPR_NOACCESS,
+ &spr_read_ureg, &spr_write_ureg,
+ &spr_read_ureg, &spr_write_ureg,
0x00000000);
spr_register(env, SPR_POWER_UPMC2, "UPMC2",
- &spr_read_ureg, SPR_NOACCESS,
- &spr_read_ureg, SPR_NOACCESS,
+ &spr_read_ureg, &spr_write_ureg,
+ &spr_read_ureg, &spr_write_ureg,
0x00000000);
spr_register(env, SPR_POWER_UPMC3, "UPMC3",
- &spr_read_ureg, SPR_NOACCESS,
- &spr_read_ureg, SPR_NOACCESS,
+ &spr_read_ureg, &spr_write_ureg,
+ &spr_read_ureg, &spr_write_ureg,
0x00000000);
spr_register(env, SPR_POWER_UPMC4, "UPMC4",
- &spr_read_ureg, SPR_NOACCESS,
- &spr_read_ureg, SPR_NOACCESS,
+ &spr_read_ureg, &spr_write_ureg,
+ &spr_read_ureg, &spr_write_ureg,
0x00000000);
spr_register(env, SPR_POWER_USIAR, "USIAR",
&spr_read_ureg, SPR_NOACCESS,
--
1.8.4.rc4