This adds various SPRs defined on 64-bit BookE, along with changes
to the definition of the base MSR values to add the values needed
for 64-bit Book3E.
Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
---
v2. Remove trailing whitespace and add comments about the EPCR bits
Don't break 8xx due to missing MSR_USER definition
arch/powerpc/include/asm/reg.h | 10 ++------
arch/powerpc/include/asm/reg_booke.h | 42 ++++++++++++++++++++++++++++++++---
2 files changed, 42 insertions(+), 10 deletions(-)
--- linux-work.orig/arch/powerpc/include/asm/reg.h 2009-07-24
18:14:35.000000000 +1000
+++ linux-work/arch/powerpc/include/asm/reg.h 2009-07-24 18:40:53.000000000
+1000
@@ -98,19 +98,15 @@
#define MSR_RI __MASK(MSR_RI_LG) /* Recoverable Exception */
#define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */
-#ifdef CONFIG_PPC64
+#if defined(CONFIG_PPC_BOOK3S_64)
+/* Server variant */
#define MSR_ MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF |MSR_HV
#define MSR_KERNEL MSR_ | MSR_SF
-
#define MSR_USER32 MSR_ | MSR_PR | MSR_EE
#define MSR_USER64 MSR_USER32 | MSR_SF
-
-#else /* 32-bit */
+#elif defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_8xx)
/* Default MSR for kernel mode. */
-#ifndef MSR_KERNEL /* reg_booke.h also defines this */
#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR)
-#endif
-
#define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE)
#endif
Index: linux-work/arch/powerpc/include/asm/reg_booke.h
===================================================================
--- linux-work.orig/arch/powerpc/include/asm/reg_booke.h 2009-07-24
18:14:35.000000000 +1000
+++ linux-work/arch/powerpc/include/asm/reg_booke.h 2009-07-24
18:14:47.000000000 +1000
@@ -18,18 +18,26 @@
#define MSR_IS MSR_IR /* Instruction Space */
#define MSR_DS MSR_DR /* Data Space */
#define MSR_PMM (1<<2) /* Performance monitor mark bit */
+#define MSR_CM (1<<31) /* Computation Mode (0=32-bit, 1=64-bit) */
-/* Default MSR for kernel mode. */
-#if defined (CONFIG_40x)
+#if defined(CONFIG_PPC_BOOK3E_64)
+#define MSR_ MSR_ME | MSR_CE
+#define MSR_KERNEL MSR_ | MSR_CM
+#define MSR_USER32 MSR_ | MSR_PR | MSR_EE
+#define MSR_USER64 MSR_USER32 | MSR_CM
+#elif defined (CONFIG_40x)
#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE)
-#elif defined(CONFIG_BOOKE)
+#define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE)
+#else
#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_CE)
+#define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE)
#endif
/* Special Purpose Registers (SPRNs)*/
#define SPRN_DECAR 0x036 /* Decrementer Auto Reload Register */
#define SPRN_IVPR 0x03F /* Interrupt Vector Prefix Register */
#define SPRN_USPRG0 0x100 /* User Special Purpose Register General 0 */
+#define SPRN_SPRG3R 0x103 /* Special Purpose Register General 3 Read */
#define SPRN_SPRG4R 0x104 /* Special Purpose Register General 4 Read */
#define SPRN_SPRG5R 0x105 /* Special Purpose Register General 5 Read */
#define SPRN_SPRG6R 0x106 /* Special Purpose Register General 6 Read */
@@ -38,11 +46,18 @@
#define SPRN_SPRG5W 0x115 /* Special Purpose Register General 5 Write */
#define SPRN_SPRG6W 0x116 /* Special Purpose Register General 6 Write */
#define SPRN_SPRG7W 0x117 /* Special Purpose Register General 7 Write */
+#define SPRN_EPCR 0x133 /* Embedded Processor Control Register */
#define SPRN_DBCR2 0x136 /* Debug Control Register 2 */
#define SPRN_IAC3 0x13A /* Instruction Address Compare 3 */
#define SPRN_IAC4 0x13B /* Instruction Address Compare 4 */
#define SPRN_DVC1 0x13E /* Data Value Compare Register 1 */
#define SPRN_DVC2 0x13F /* Data Value Compare Register 2 */
+#define SPRN_MAS8 0x155 /* MMU Assist Register 8 */
+#define SPRN_TLB0PS 0x158 /* TLB 0 Page Size Register */
+#define SPRN_MAS5_MAS6 0x15c /* MMU Assist Register 5 || 6 */
+#define SPRN_MAS8_MAS1 0x15d /* MMU Assist Register 8 || 1 */
+#define SPRN_MAS7_MAS3 0x174 /* MMU Assist Register 7 || 3 */
+#define SPRN_MAS0_MAS1 0x175 /* MMU Assist Register 0 || 1 */
#define SPRN_IVOR0 0x190 /* Interrupt Vector Offset Register 0 */
#define SPRN_IVOR1 0x191 /* Interrupt Vector Offset Register 1 */
#define SPRN_IVOR2 0x192 /* Interrupt Vector Offset Register 2 */
@@ -425,6 +440,27 @@
#define SGR_NORMAL 0 /* Speculative fetching allowed. */
#define SGR_GUARDED 1 /* Speculative fetching disallowed. */
+/* Bit definitions for EPCR */
+#define SPRN_EPCR_EXTGS 0x80000000 /* External Input
interrupt
+ * directed to Guest state */
+#define SPRN_EPCR_DTLBGS 0x40000000 /* Data TLB Error interrupt
+ * directed to guest state */
+#define SPRN_EPCR_ITLBGS 0x20000000 /* Instr. TLB error interrupt
+ * directed to guest state */
+#define SPRN_EPCR_DSIGS 0x10000000 /* Data Storage
interrupt
+ * directed to guest state */
+#define SPRN_EPCR_ISIGS 0x08000000 /* Instr. Storage
interrupt
+ * directed to guest state */
+#define SPRN_EPCR_DUVD 0x04000000 /* Disable Hypervisor Debug */
+#define SPRN_EPCR_ICM 0x02000000 /* Interrupt computation mode
+ * (copied to MSR:CM on intr) */
+#define SPRN_EPCR_GICM 0x01000000 /* Guest Interrupt Comp. mode */
+#define SPRN_EPCR_DGTMI 0x00800000 /* Disable TLB Guest
Management
+ * instructions */
+#define SPRN_EPCR_DMIUH 0x00400000 /* Disable MAS
Interrupt updates
+ * for hypervisor */
+
+
/*
* The IBM-403 is an even more odd special case, as it is much
* older than the IBM-405 series. We put these down here incase someone
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