[kvm-unit-tests PATCH] powerpc/sprs: Test POWER9 specific registers

[Thomas Huth <thuth@redhat.com>]

Most of the SPRS are the same as on POWER8, so we can re-use
the PowerISA 2.07 functions and simply amend the additional
registers afterwards.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 powerpc/sprs.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/powerpc/sprs.c b/powerpc/sprs.c
index 39644fa..73de2b6 100644
--- a/powerpc/sprs.c
+++ b/powerpc/sprs.c
@@ -126,6 +126,17 @@ static void set_sprs_book3s_207(uint64_t val)
 	mtspr(815, val);	/* TAR */
 }
 
+/* SPRs from PowerISA 3.00 Book III */
+static void set_sprs_book3s_300(uint64_t val)
+{
+	set_sprs_book3s_207(val);
+	mtspr(48, val);		/* PIDR */
+	mtspr(158, val);	/* GSR */
+	mtspr(813, val);	/* LMRR */
+	mtspr(814, val);	/* LMSER */
+	mtspr(823, val);	/* PSSCR */
+}
+
 static void set_sprs(uint64_t val)
 {
 	uint32_t pvr = mfspr(287);	/* Processor Version Register */
@@ -143,6 +154,9 @@ static void set_sprs(uint64_t val)
 	case 0x4d:			/* POWER8 */
 		set_sprs_book3s_207(val);
 		break;
+	case 0x4e:			/* POWER9 */
+		set_sprs_book3s_300(val);
+		break;
 	default:
 		puts("Warning: Unknown processor version!\n");
 	}
@@ -218,6 +232,16 @@ static void get_sprs_book3s_207(uint64_t *v)
 	v[815] = mfspr(815);	/* TAR */
 }
 
+static void get_sprs_book3s_300(uint64_t *v)
+{
+	get_sprs_book3s_207(v);
+	v[48] = mfspr(48);	/* PIDR */
+	v[158] = mfspr(158);	/* GSR */
+	v[813] = mfspr(813);	/* LMRR */
+	v[814] = mfspr(814);	/* LMSER */
+	v[823] = mfspr(823);	/* PSSCR */
+}
+
 static void get_sprs(uint64_t *v)
 {
 	uint32_t pvr = mfspr(287);	/* Processor Version Register */
@@ -235,6 +259,9 @@ static void get_sprs(uint64_t *v)
 	case 0x4d:			/* POWER8 */
 		get_sprs_book3s_207(v);
 		break;
+	case 0x4e:			/* POWER9 */
+		get_sprs_book3s_300(v);
+		break;
 	}
 }
 
-- 
1.8.3.1