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[src/trunk]: src/sys/arch/x86 Add five errata for AMD Family 17h (Ryzen etc), ...
details: https://anonhg.NetBSD.org/src/rev/6ea614e17d89
branches: trunk
changeset: 834306:6ea614e17d89
user: maxv <maxv%NetBSD.org@localhost>
date: Tue Aug 07 10:50:12 2018 +0000
description:
Add five errata for AMD Family 17h (Ryzen etc), tested by Patrick Welche,
thanks. Also add two errata for Family 16h, not yet tested, so not yet
enabled.
diffstat:
sys/arch/x86/include/specialreg.h | 13 +++++-
sys/arch/x86/x86/errata.c | 88 ++++++++++++++++++++++++++++++++++++--
2 files changed, 95 insertions(+), 6 deletions(-)
diffs (173 lines):
diff -r aa3b6887b6cb -r 6ea614e17d89 sys/arch/x86/include/specialreg.h
--- a/sys/arch/x86/include/specialreg.h Tue Aug 07 09:01:52 2018 +0000
+++ b/sys/arch/x86/include/specialreg.h Tue Aug 07 10:50:12 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: specialreg.h,v 1.128 2018/07/13 09:37:32 maxv Exp $ */
+/* $NetBSD: specialreg.h,v 1.129 2018/08/07 10:50:12 maxv Exp $ */
/*-
* Copyright (c) 1991 The Regents of the University of California.
@@ -857,6 +857,9 @@
#define NB_CFG_INITAPICCPUIDLO (1ULL << 54)
#define MSR_LS_CFG 0xc0011020
+#define LS_CFG_ERRATA_1033 __BIT(4)
+#define LS_CFG_ERRATA_793 __BIT(15)
+#define LS_CFG_ERRATA_1095 __BIT(57)
#define LS_CFG_DIS_LS2_SQUISH 0x02000000
#define LS_CFG_DIS_SSB_F15H 0x0040000000000000ULL
#define LS_CFG_DIS_SSB_F16H 0x0000000200000000ULL
@@ -865,6 +868,7 @@
#define MSR_IC_CFG 0xc0011021
#define IC_CFG_DIS_SEQ_PREFETCH 0x00000800
#define IC_CFG_DIS_IND 0x00004000
+#define IC_CFG_ERRATA_776 __BIT(26)
#define MSR_DC_CFG 0xc0011022
#define DC_CFG_DIS_CNV_WC_SSO 0x00000008
@@ -879,8 +883,15 @@
#define BU_CFG_WBPFSMCCHKDIS 0x0000200000000000ULL
#define BU_CFG_WBENHWSBDIS 0x0001000000000000ULL
+#define MSR_FP_CFG 0xc0011028
+#define FP_CFG_ERRATA_1049 __BIT(4)
+
#define MSR_DE_CFG 0xc0011029
#define DE_CFG_ERRATA_721 0x00000001
+#define DE_CFG_ERRATA_1021 __BIT(13)
+
+#define MSR_LS_CFG2 0xc001102d
+#define LS_CFG2_ERRATA_1091 __BIT(34)
/* AMD Family10h MSRs */
#define MSR_OSVW_ID_LENGTH 0xc0010140
diff -r aa3b6887b6cb -r 6ea614e17d89 sys/arch/x86/x86/errata.c
--- a/sys/arch/x86/x86/errata.c Tue Aug 07 09:01:52 2018 +0000
+++ b/sys/arch/x86/x86/errata.c Tue Aug 07 10:50:12 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: errata.c,v 1.23 2016/01/05 10:20:22 hannken Exp $ */
+/* $NetBSD: errata.c,v 1.24 2018/08/07 10:50:12 maxv Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@@ -45,7 +45,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: errata.c,v 1.23 2016/01/05 10:20:22 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: errata.c,v 1.24 2018/08/07 10:50:12 maxv Exp $");
#include <sys/types.h>
#include <sys/systm.h>
@@ -70,8 +70,8 @@
BH_E4, CH_CG, CH_D0, DH_CG, DH_D0, DH_E3, DH_E6, JH_E1,
JH_E6, SH_B0, SH_B3, SH_C0, SH_CG, SH_D0, SH_E4, SH_E5,
DR_BA, DR_B2, DR_B3, RB_C2, RB_C3, BL_C2, BL_C3, DA_C2,
- DA_C3, HY_D0, HY_D1, HY_D1_G34R1, PH_E0, LN_B0,
- OINK
+ DA_C3, HY_D0, HY_D1, HY_D1_G34R1, PH_E0, LN_B0, KB_A1,
+ ML_A1, ZP_B1, ZP_B2, PiR_B2, OINK
} cpurev_t;
static const u_int cpurevs[] = {
@@ -89,7 +89,9 @@
RB_C2, 0x0100f42, RB_C3, 0x0100f43, BL_C2, 0x0100f52,
BL_C3, 0x0100f53, DA_C2, 0x0100f62, DA_C3, 0x0100f63,
HY_D0, 0x0100f80, HY_D1, 0x0100f81, HY_D1_G34R1, 0x0100f91,
- PH_E0, 0x0100fa0, LN_B0, 0x0300f10,
+ PH_E0, 0x0100fa0, LN_B0, 0x0300f10, KB_A1, 0x0700F01,
+ ML_A1, 0x0730F01, ZP_B1, 0x0800F11, ZP_B2, 0x0800F12,
+ PiR_B2, 0x0800F82,
OINK
};
@@ -142,6 +144,26 @@
DA_C3, HY_D0, HY_D1, HY_D1_G34R1, PH_E0, LN_B0, OINK
};
+#ifdef notyet_f16h
+static const uint8_t x86_errata_set12[] = {
+ KB_A1, OINK
+};
+#endif
+
+static const uint8_t x86_errata_set13[] = {
+ ZP_B1, ZP_B2, PiR_B2, OINK
+};
+
+static const uint8_t x86_errata_set14[] = {
+ ZP_B1, OINK
+};
+
+#ifdef notyet_f16h
+static const uint8_t x86_errata_set15[] = {
+ KB_A1, ML_A1, OINK
+};
+#endif
+
static bool x86_errata_setmsr(struct cpu_info *, errata_t *);
static bool x86_errata_testmsr(struct cpu_info *, errata_t *);
@@ -285,6 +307,62 @@
721, FALSE, MSR_DE_CFG, x86_errata_set11,
x86_errata_setmsr, DE_CFG_ERRATA_721
},
+#ifdef notyet_f16h /* TODO: needs to be tested */
+ /*
+ * 776: Incorrect Processor Branch Prediction for Two Consecutive
+ * Linear Pages
+ */
+ {
+ 776, FALSE, MSR_IC_CFG, x86_errata_set12,
+ x86_errata_setmsr, IC_CFG_ERRATA_776
+ },
+ /*
+ * 793: Specific Combination of Writes to Write Combined Memory
+ * Types and Locked Instructions May Cause Core Hang
+ */
+ {
+ 793, FALSE, MSR_LS_CFG, x86_errata_set15,
+ x86_errata_setmsr, LS_CFG_ERRATA_793
+ },
+#endif
+ /*
+ * 1021: Load Operation May Receive Stale Data From Older Store
+ * Operation
+ */
+ {
+ 1021, FALSE, MSR_DE_CFG, x86_errata_set13,
+ x86_errata_setmsr, DE_CFG_ERRATA_1021
+ },
+ /*
+ * 1033: A Lock Operation May Cause the System to Hang
+ */
+ {
+ 1033, FALSE, MSR_LS_CFG, x86_errata_set14,
+ x86_errata_setmsr, LS_CFG_ERRATA_1033
+ },
+ /*
+ * 1049: FCMOV Instruction May Not Execute Correctly
+ */
+ {
+ 1049, FALSE, MSR_FP_CFG, x86_errata_set13,
+ x86_errata_setmsr, FP_CFG_ERRATA_1049
+ },
+ /*
+ * 1091: Address Boundary Crossing Load Operation May Receive
+ * Stale Data
+ */
+ {
+ 1091, FALSE, MSR_LS_CFG2, x86_errata_set13,
+ x86_errata_setmsr, LS_CFG2_ERRATA_1091
+ },
+ /*
+ * 1095: Potential Violation of Read Ordering In Lock Operation
+ * In SMT (Simultaneous Multithreading) Mode
+ */
+ {
+ 1095, FALSE, MSR_LS_CFG, x86_errata_set13,
+ x86_errata_setmsr, LS_CFG_ERRATA_1095
+ },
};
static bool
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