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target/ppc: add user read/write functions for MMCR2

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Similar to the previous patch, let's add problem state read/write access to
the MMCR2 SPR, which is also a group A PMU SPR that needs to be filtered
to be read/written by userspace.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20211018010133.315842-4-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Daniel Henrique Barboza 2021-10-17 22:01:21 -03:00 • committed by David Gibson
parent 565cb10967
commit 7b3ecf16c8
4 changed files with 99 additions and 12 deletions
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2
target/ppc/cpu_init.c
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@ -6975,7 +6975,7 @@ static void register_power8_pmu_sup_sprs(CPUPPCState *env)
static void register_power8_pmu_user_sprs(CPUPPCState *env)
{
spr_register(env, SPR_POWER_UMMCR2, "UMMCR2",
&spr_read_ureg, SPR_NOACCESS,
&spr_read_MMCR2_ureg, &spr_write_MMCR2_ureg,
&spr_read_ureg, &spr_write_ureg,
0x00000000);
spr_register(env, SPR_POWER_USIER, "USIER",