* Copyright (C) 2000 Silicon Graphics, Inc.
* Modified for further R[236]000 support by Paul M. Antoine, 1996.
* Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
+ * Copyright (C) 2000, 07 MIPS Technologies, Inc.
* Copyright (C) 2003, 2004 Maciej W. Rozycki
*/
#ifndef _ASM_MIPSREGS_H
#define _ASM_MIPSREGS_H
-#include <linux/config.h>
#include <linux/linkage.h>
#include <asm/hazards.h>
+#include <asm/war.h>
/*
* The following macros are especially useful for __asm__
/* Bits specific to the VR41xx. */
#define VR41_CONF_CS (_ULCAST_(1) << 12)
+#define VR41_CONF_P4K (_ULCAST_(1) << 13)
+#define VR41_CONF_BP (_ULCAST_(1) << 16)
#define VR41_CONF_M16 (_ULCAST_(1) << 20)
#define VR41_CONF_AD (_ULCAST_(1) << 23)
#define MIPS_CONF3_VEIC (_ULCAST_(1) << 6)
#define MIPS_CONF3_LPA (_ULCAST_(1) << 7)
#define MIPS_CONF3_DSP (_ULCAST_(1) << 10)
+#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
+
+#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
+
+#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
+
/*
* Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
#define MIPS_FPIR_L (_ULCAST_(1) << 21)
#define MIPS_FPIR_F64 (_ULCAST_(1) << 22)
-/*
- * R10000 performance counter definitions.
- *
- * FIXME: The R10000 performance counter opens a nice way to implement CPU
- * time accounting with a precission of one cycle. I don't have
- * R10000 silicon but just a manual, so ...
- */
-
-/*
- * Events counted by counter #0
- */
-#define CE0_CYCLES 0
-#define CE0_INSN_ISSUED 1
-#define CE0_LPSC_ISSUED 2
-#define CE0_S_ISSUED 3
-#define CE0_SC_ISSUED 4
-#define CE0_SC_FAILED 5
-#define CE0_BRANCH_DECODED 6
-#define CE0_QW_WB_SECONDARY 7
-#define CE0_CORRECTED_ECC_ERRORS 8
-#define CE0_ICACHE_MISSES 9
-#define CE0_SCACHE_I_MISSES 10
-#define CE0_SCACHE_I_WAY_MISSPREDICTED 11
-#define CE0_EXT_INTERVENTIONS_REQ 12
-#define CE0_EXT_INVALIDATE_REQ 13
-#define CE0_VIRTUAL_COHERENCY_COND 14
-#define CE0_INSN_GRADUATED 15
-
-/*
- * Events counted by counter #1
- */
-#define CE1_CYCLES 0
-#define CE1_INSN_GRADUATED 1
-#define CE1_LPSC_GRADUATED 2
-#define CE1_S_GRADUATED 3
-#define CE1_SC_GRADUATED 4
-#define CE1_FP_INSN_GRADUATED 5
-#define CE1_QW_WB_PRIMARY 6
-#define CE1_TLB_REFILL 7
-#define CE1_BRANCH_MISSPREDICTED 8
-#define CE1_DCACHE_MISS 9
-#define CE1_SCACHE_D_MISSES 10
-#define CE1_SCACHE_D_WAY_MISSPREDICTED 11
-#define CE1_EXT_INTERVENTION_HITS 12
-#define CE1_EXT_INVALIDATE_REQ 13
-#define CE1_SP_HINT_TO_CEXCL_SC_BLOCKS 14
-#define CE1_SP_HINT_TO_SHARED_SC_BLOCKS 15
-
-/*
- * These flags define in which privilege mode the counters count events
- */
-#define CEB_USER 8 /* Count events in user mode, EXL = ERL = 0 */
-#define CEB_SUPERVISOR 4 /* Count events in supvervisor mode EXL = ERL = 0 */
-#define CEB_KERNEL 2 /* Count events in kernel mode EXL = ERL = 0 */
-#define CEB_EXL 1 /* Count events with EXL = 1, ERL = 0 */
-
#ifndef __ASSEMBLY__
/*
*/
#define __read_64bit_c0_split(source, sel) \
({ \
- unsigned long long val; \
- unsigned long flags; \
+ unsigned long long __val; \
+ unsigned long __flags; \
\
- local_irq_save(flags); \
+ local_irq_save(__flags); \
if (sel == 0) \
__asm__ __volatile__( \
".set\tmips64\n\t" \
"dsrl\t%M0, %M0, 32\n\t" \
"dsrl\t%L0, %L0, 32\n\t" \
".set\tmips0" \
- : "=r" (val)); \
+ : "=r" (__val)); \
else \
__asm__ __volatile__( \
".set\tmips64\n\t" \
"dsrl\t%M0, %M0, 32\n\t" \
"dsrl\t%L0, %L0, 32\n\t" \
".set\tmips0" \
- : "=r" (val)); \
- local_irq_restore(flags); \
+ : "=r" (__val)); \
+ local_irq_restore(__flags); \
\
- val; \
+ __val; \
})
#define __write_64bit_c0_split(source, sel, val) \
do { \
- unsigned long flags; \
+ unsigned long __flags; \
\
- local_irq_save(flags); \
+ local_irq_save(__flags); \
if (sel == 0) \
__asm__ __volatile__( \
".set\tmips64\n\t" \
"dmtc0\t%L0, " #source ", " #sel "\n\t" \
".set\tmips0" \
: : "r" (val)); \
- local_irq_restore(flags); \
+ local_irq_restore(__flags); \
} while (0)
#define read_c0_index() __read_32bit_c0_register($0, 0)
#define read_c0_context() __read_ulong_c0_register($4, 0)
#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
+#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
+#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
+
#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
#define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
/* MIPSR2 */
-#define read_c0_hwrena() __read_32bit_c0_register($7,0)
+#define read_c0_hwrena() __read_32bit_c0_register($7, 0)
#define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val)
#define read_c0_intctl() __read_32bit_c0_register($12, 1)
#define read_c0_srsmap() __read_32bit_c0_register($12, 3)
#define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val)
-#define read_c0_ebase() __read_32bit_c0_register($15,1)
+#define read_c0_ebase() __read_32bit_c0_register($15, 1)
#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
/*
static inline void tlb_read(void)
{
+#if MIPS34K_MISSED_ITLB_WAR
+ int res = 0;
+
+ __asm__ __volatile__(
+ " .set push \n"
+ " .set noreorder \n"
+ " .set noat \n"
+ " .set mips32r2 \n"
+ " .word 0x41610001 # dvpe $1 \n"
+ " move %0, $1 \n"
+ " ehb \n"
+ " .set pop \n"
+ : "=r" (res));
+
+ instruction_hazard();
+#endif
+
__asm__ __volatile__(
".set noreorder\n\t"
"tlbr\n\t"
".set reorder");
+
+#if MIPS34K_MISSED_ITLB_WAR
+ if ((res & _ULCAST_(1)))
+ __asm__ __volatile__(
+ " .set push \n"
+ " .set noreorder \n"
+ " .set noat \n"
+ " .set mips32r2 \n"
+ " .word 0x41600021 # evpe \n"
+ " ehb \n"
+ " .set pop \n");
+#endif
}
static inline void tlb_write_indexed(void)
#else /* SMTC versions that manage MT scheduling */
-#include <asm/interrupt.h>
+#include <linux/irqflags.h>
/*
* This is a duplicate of dmt() in mipsmtregs.h to avoid problems with
{
if ((previous & __EMT_ENABLE))
__asm__ __volatile__(
- " .set noreorder \n"
" .set mips32r2 \n"
" .word 0x41600be1 # emt \n"
" ehb \n"
- " .set mips0 \n"
- " .set reorder \n");
+ " .set mips0 \n");
}
static inline void __ehb(void)
{
__asm__ __volatile__(
- " ehb \n");
+ " .set mips32r2 \n"
+ " ehb \n" " .set mips0 \n");
}
/*
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff