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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2019-02-15 17:16:44 +0100
committerDavid Gibson <david@gibson.dropbear.id.au>2019-02-26 09:21:24 +1100
commita790e82b13854f443850cbf11b25cdb98f6885c5 (patch)
treebffc4658431d8c3a5988ab2c10218b4cab8b74c4 /target/ppc/excp_helper.c
parent1e7fd61d97fd4b25c7c8f70eed6a3ffd50893b74 (diff)
target/ppc: Add POWER9 exception model
And use it to get the correct HILE bit in HID0 Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Message-Id: <20190215161648.9600-7-clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target/ppc/excp_helper.c')
-rw-r--r--target/ppc/excp_helper.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 7536620a41..37546bb0f0 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -147,7 +147,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
/* Exception targetting modifiers
*
- * LPES0 is supported on POWER7/8
+ * LPES0 is supported on POWER7/8/9
* LPES1 is not supported (old iSeries mode)
*
* On anything else, we behave as if LPES0 is 1
@@ -158,9 +158,10 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
*/
#if defined(TARGET_PPC64)
if (excp_model == POWERPC_EXCP_POWER7 ||
- excp_model == POWERPC_EXCP_POWER8) {
+ excp_model == POWERPC_EXCP_POWER8 ||
+ excp_model == POWERPC_EXCP_POWER9) {
lpes0 = !!(env->spr[SPR_LPCR] & LPCR_LPES0);
- if (excp_model == POWERPC_EXCP_POWER8) {
+ if (excp_model != POWERPC_EXCP_POWER7) {
ail = (env->spr[SPR_LPCR] & LPCR_AIL) >> LPCR_AIL_SHIFT;
} else {
ail = 0;
@@ -662,7 +663,15 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
}
} else if (excp_model == POWERPC_EXCP_POWER8) {
if (new_msr & MSR_HVB) {
- if (env->spr[SPR_HID0] & (HID0_HILE | HID0_POWER9_HILE)) {
+ if (env->spr[SPR_HID0] & HID0_HILE) {
+ new_msr |= (target_ulong)1 << MSR_LE;
+ }
+ } else if (env->spr[SPR_LPCR] & LPCR_ILE) {
+ new_msr |= (target_ulong)1 << MSR_LE;
+ }
+ } else if (excp_model == POWERPC_EXCP_POWER9) {
+ if (new_msr & MSR_HVB) {
+ if (env->spr[SPR_HID0] & HID0_POWER9_HILE) {
new_msr |= (target_ulong)1 << MSR_LE;
}
} else if (env->spr[SPR_LPCR] & LPCR_ILE) {