Module Name: src
Committed By: martin
Date: Wed Aug 5 17:27:48 UTC 2020
Modified Files:
src/sys/arch/x86/x86 [netbsd-8]: errata.c
Log Message:
Pull up the following, requested by msaitoh in ticket #1595:
sys/arch/x86/include/specialreg.h 1.129 via patch
sys/arch/x86/x86/errata.c 1.24-1.26
- Add six errata for AMD Family 17h (Ryzen etc), tested by
Patrick Welche and mrg@.
To generate a diff of this commit:
cvs rdiff -u -r1.23 -r1.23.10.1 src/sys/arch/x86/x86/errata.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/x86/x86/errata.c
diff -u src/sys/arch/x86/x86/errata.c:1.23 src/sys/arch/x86/x86/errata.c:1.23.10.1
--- src/sys/arch/x86/x86/errata.c:1.23 Tue Jan 5 10:20:22 2016
+++ src/sys/arch/x86/x86/errata.c Wed Aug 5 17:27:48 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: errata.c,v 1.23 2016/01/05 10:20:22 hannken Exp $ */
+/* $NetBSD: errata.c,v 1.23.10.1 2020/08/05 17:27:48 martin 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 1.23.10.1 2020/08/05 17:27:48 martin Exp $");
#include <sys/types.h>
#include <sys/systm.h>
@@ -70,8 +70,8 @@ typedef enum cpurev {
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 @@ static const u_int cpurevs[] = {
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 +144,22 @@ static const uint8_t x86_errata_set11[]
DA_C3, HY_D0, HY_D1, HY_D1_G34R1, PH_E0, LN_B0, OINK
};
+static const uint8_t x86_errata_set12[] = {
+ KB_A1, OINK
+};
+
+static const uint8_t x86_errata_set13[] = {
+ ZP_B1, ZP_B2, PiR_B2, OINK
+};
+
+static const uint8_t x86_errata_set14[] = {
+ ZP_B1, OINK
+};
+
+static const uint8_t x86_errata_set15[] = {
+ KB_A1, ML_A1, OINK
+};
+
static bool x86_errata_setmsr(struct cpu_info *, errata_t *);
static bool x86_errata_testmsr(struct cpu_info *, errata_t *);
@@ -285,6 +303,62 @@ static errata_t errata[] = {
721, FALSE, MSR_DE_CFG, x86_errata_set11,
x86_errata_setmsr, DE_CFG_ERRATA_721
},
+ /*
+ * 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
+ },
+ /*
+ * 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
+ },
+#if 0 /* Should we apply this errata? The other OSes don't. */
+ /*
+ * 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
+ },
+#endif
+ /*
+ * 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
