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-rw-r--r--arch/mips/Kconfig96
-rw-r--r--arch/mips/au1000/common/irq.c1
-rw-r--r--arch/mips/au1000/common/time.c1
-rw-r--r--arch/mips/kernel/asm-offsets.c4
-rw-r--r--arch/mips/kernel/cpu-probe.c13
-rw-r--r--arch/mips/kernel/entry.S2
-rw-r--r--arch/mips/kernel/gdb-low.S8
-rw-r--r--arch/mips/kernel/proc.c2
-rw-r--r--arch/mips/kernel/signal-common.h30
-rw-r--r--arch/mips/kernel/syscall.c24
-rw-r--r--arch/mips/kernel/traps.c1
-rw-r--r--arch/mips/kernel/vmlinux.lds.S20
-rw-r--r--arch/mips/mm/c-r4k.c44
-rw-r--r--arch/mips/mm/pg-r4k.c1
-rw-r--r--arch/mips/mm/tlbex.c2
-rw-r--r--arch/mips/oprofile/common.c1
-rw-r--r--arch/mips/oprofile/op_model_mipsxx.c4
-rw-r--r--include/asm-mips/cpu.h6
-rw-r--r--include/asm-mips/futex.h141
-rw-r--r--include/asm-mips/inst.h33
-rw-r--r--include/asm-mips/mipsregs.h2
-rw-r--r--include/asm-mips/pgtable.h88
-rw-r--r--include/asm-mips/sigcontext.h10
23 files changed, 328 insertions, 206 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index ee5fbb02b28..e8ff09fe73d 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -13,7 +13,7 @@ choice
default SGI_IP22
config MIPS_MTX1
- bool "Support for 4G Systems MTX-1 board"
+ bool "4G Systems MTX-1 board"
select DMA_NONCOHERENT
select HW_HAS_PCI
select SOC_AU1500
@@ -120,7 +120,7 @@ config MIPS_MIRAGE
select SYS_SUPPORTS_LITTLE_ENDIAN
config MIPS_COBALT
- bool "Support for Cobalt Server"
+ bool "Cobalt Server"
select DMA_NONCOHERENT
select HW_HAS_PCI
select I8259
@@ -132,7 +132,7 @@ config MIPS_COBALT
select SYS_SUPPORTS_LITTLE_ENDIAN
config MACH_DECSTATION
- bool "Support for DECstations"
+ bool "DECstations"
select BOOT_ELF32
select DMA_NONCOHERENT
select EARLY_PRINTK
@@ -158,7 +158,7 @@ config MACH_DECSTATION
otherwise choose R3000.
config MIPS_EV64120
- bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
+ bool "Galileo EV64120 Evaluation board (EXPERIMENTAL)"
depends on EXPERIMENTAL
select DMA_NONCOHERENT
select HW_HAS_PCI
@@ -175,7 +175,7 @@ config MIPS_EV64120
kernel for this platform.
config MIPS_EV96100
- bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
+ bool "Galileo EV96100 Evaluation board (EXPERIMENTAL)"
depends on EXPERIMENTAL
select DMA_NONCOHERENT
select HW_HAS_PCI
@@ -195,7 +195,7 @@ config MIPS_EV96100
here if you wish to build a kernel for this platform.
config MIPS_IVR
- bool "Support for Globespan IVR board"
+ bool "Globespan IVR board"
select DMA_NONCOHERENT
select HW_HAS_PCI
select ITE_BOARD_GEN
@@ -211,7 +211,7 @@ config MIPS_IVR
build a kernel for this platform.
config MIPS_ITE8172
- bool "Support for ITE 8172G board"
+ bool "ITE 8172G board"
select DMA_NONCOHERENT
select HW_HAS_PCI
select ITE_BOARD_GEN
@@ -228,7 +228,7 @@ config MIPS_ITE8172
a kernel for this platform.
config MACH_JAZZ
- bool "Support for the Jazz family of machines"
+ bool "Jazz family of machines"
select ARC
select ARC32
select ARCH_MAY_HAVE_PC_FDC
@@ -246,7 +246,7 @@ config MACH_JAZZ
Olivetti M700-10 workstations.
config LASAT
- bool "Support for LASAT Networks platforms"
+ bool "LASAT Networks platforms"
select DMA_NONCOHERENT
select HW_HAS_PCI
select MIPS_GT64120
@@ -258,7 +258,7 @@ config LASAT
select SYS_SUPPORTS_LITTLE_ENDIAN
config MIPS_ATLAS
- bool "Support for MIPS Atlas board"
+ bool "MIPS Atlas board"
select BOOT_ELF32
select DMA_NONCOHERENT
select IRQ_CPU
@@ -283,7 +283,7 @@ config MIPS_ATLAS
board.
config MIPS_MALTA
- bool "Support for MIPS Malta board"
+ bool "MIPS Malta board"
select ARCH_MAY_HAVE_PC_FDC
select BOOT_ELF32
select HAVE_STD_PC_SERIAL_PORT
@@ -311,7 +311,7 @@ config MIPS_MALTA
board.
config MIPS_SEAD
- bool "Support for MIPS SEAD board (EXPERIMENTAL)"
+ bool "MIPS SEAD board (EXPERIMENTAL)"
depends on EXPERIMENTAL
select IRQ_CPU
select DMA_NONCOHERENT
@@ -328,7 +328,7 @@ config MIPS_SEAD
board.
config MIPS_SIM
- bool 'Support for MIPS simulator (MIPSsim)'
+ bool 'MIPS simulator (MIPSsim)'
select DMA_NONCOHERENT
select IRQ_CPU
select SYS_HAS_CPU_MIPS32_R1
@@ -341,7 +341,7 @@ config MIPS_SIM
emulator.
config MOMENCO_JAGUAR_ATX
- bool "Support for Momentum Jaguar board"
+ bool "Momentum Jaguar board"
select BOOT_ELF32
select DMA_NONCOHERENT
select HW_HAS_PCI
@@ -361,7 +361,7 @@ config MOMENCO_JAGUAR_ATX
Momentum Computer <http://www.momenco.com/>.
config MOMENCO_OCELOT
- bool "Support for Momentum Ocelot board"
+ bool "Momentum Ocelot board"
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_CPU
@@ -378,7 +378,7 @@ config MOMENCO_OCELOT
Momentum Computer <http://www.momenco.com/>.
config MOMENCO_OCELOT_3
- bool "Support for Momentum Ocelot-3 board"
+ bool "Momentum Ocelot-3 board"
select BOOT_ELF32
select DMA_NONCOHERENT
select HW_HAS_PCI
@@ -397,7 +397,7 @@ config MOMENCO_OCELOT_3
PMC-Sierra Rm79000 core.
config MOMENCO_OCELOT_C
- bool "Support for Momentum Ocelot-C board"
+ bool "Momentum Ocelot-C board"
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_CPU
@@ -414,7 +414,7 @@ config MOMENCO_OCELOT_C
Momentum Computer <http://www.momenco.com/>.
config MOMENCO_OCELOT_G
- bool "Support for Momentum Ocelot-G board"
+ bool "Momentum Ocelot-G board"
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_CPU
@@ -431,23 +431,23 @@ config MOMENCO_OCELOT_G
Momentum Computer <http://www.momenco.com/>.
config MIPS_XXS1500
- bool "Support for MyCable XXS1500 board"
+ bool "MyCable XXS1500 board"
select DMA_NONCOHERENT
select SOC_AU1500
select SYS_SUPPORTS_LITTLE_ENDIAN
config PNX8550_V2PCI
- bool "Support for Philips PNX8550 based Viper2-PCI board"
+ bool "Philips PNX8550 based Viper2-PCI board"
select PNX8550
select SYS_SUPPORTS_LITTLE_ENDIAN
config PNX8550_JBS
- bool "Support for Philips PNX8550 based JBS board"
+ bool "Philips PNX8550 based JBS board"
select PNX8550
select SYS_SUPPORTS_LITTLE_ENDIAN
config DDB5074
- bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
+ bool "NEC DDB Vrc-5074 (EXPERIMENTAL)"
depends on EXPERIMENTAL
select DDB5XXX_COMMON
select DMA_NONCOHERENT
@@ -465,7 +465,7 @@ config DDB5074
evaluation board.
config DDB5476
- bool "Support for NEC DDB Vrc-5476"
+ bool "NEC DDB Vrc-5476"
select DDB5XXX_COMMON
select DMA_NONCOHERENT
select HAVE_STD_PC_SERIAL_PORT
@@ -486,7 +486,7 @@ config DDB5476
IDE controller, PS2 keyboard, PS2 mouse, etc.
config DDB5477
- bool "Support for NEC DDB Vrc-5477"
+ bool "NEC DDB Vrc-5477"
select DDB5XXX_COMMON
select DMA_NONCOHERENT
select HW_HAS_PCI
@@ -504,13 +504,13 @@ config DDB5477
ether port USB, AC97, PCI, etc.
config MACH_VR41XX
- bool "Support for NEC VR4100 series based machines"
+ bool "NEC VR41XX-based machines"
select SYS_HAS_CPU_VR41XX
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
config PMC_YOSEMITE
- bool "Support for PMC-Sierra Yosemite eval board"
+ bool "PMC-Sierra Yosemite eval board"
select DMA_COHERENT
select HW_HAS_PCI
select IRQ_CPU
@@ -527,7 +527,7 @@ config PMC_YOSEMITE
manufactured by PMC-Sierra.
config QEMU
- bool "Support for Qemu"
+ bool "Qemu"
select DMA_COHERENT
select GENERIC_ISA_DMA
select HAVE_STD_PC_SERIAL_PORT
@@ -547,7 +547,7 @@ config QEMU
can be found at http://www.linux-mips.org/wiki/Qemu.
config SGI_IP22
- bool "Support for SGI IP22 (Indy/Indigo2)"
+ bool "SGI IP22 (Indy/Indigo2)"
select ARC
select ARC32
select BOOT_ELF32
@@ -567,7 +567,7 @@ config SGI_IP22
that runs on these, say Y here.
config SGI_IP27
- bool "Support for SGI IP27 (Origin200/2000)"
+ bool "SGI IP27 (Origin200/2000)"
select ARC
select ARC64
select BOOT_ELF64
@@ -583,7 +583,7 @@ config SGI_IP27
here.
config SGI_IP32
- bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
+ bool "SGI IP32 (O2) (EXPERIMENTAL)"
depends on EXPERIMENTAL
select ARC
select ARC32
@@ -604,7 +604,7 @@ config SGI_IP32
If you want this kernel to run on SGI O2 workstation, say Y here.
config SIBYTE_BIGSUR
- bool "Support for Sibyte BCM91480B-BigSur"
+ bool "Sibyte BCM91480B-BigSur"
select BOOT_ELF32
select DMA_COHERENT
select PCI_DOMAINS
@@ -615,7 +615,7 @@ config SIBYTE_BIGSUR
select SYS_SUPPORTS_LITTLE_ENDIAN
config SIBYTE_SWARM
- bool "Support for Sibyte BCM91250A-SWARM"
+ bool "Sibyte BCM91250A-SWARM"
select BOOT_ELF32
select DMA_COHERENT
select SIBYTE_SB1250
@@ -626,7 +626,7 @@ config SIBYTE_SWARM
select SYS_SUPPORTS_LITTLE_ENDIAN
config SIBYTE_SENTOSA
- bool "Support for Sibyte BCM91250E-Sentosa"
+ bool "Sibyte BCM91250E-Sentosa"
depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
@@ -637,7 +637,7 @@ config SIBYTE_SENTOSA
select SYS_SUPPORTS_LITTLE_ENDIAN
config SIBYTE_RHONE
- bool "Support for Sibyte BCM91125E-Rhone"
+ bool "Sibyte BCM91125E-Rhone"
depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
@@ -648,7 +648,7 @@ config SIBYTE_RHONE
select SYS_SUPPORTS_LITTLE_ENDIAN
config SIBYTE_CARMEL
- bool "Support for Sibyte BCM91120x-Carmel"
+ bool "Sibyte BCM91120x-Carmel"
depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
@@ -659,7 +659,7 @@ config SIBYTE_CARMEL
select SYS_SUPPORTS_LITTLE_ENDIAN
config SIBYTE_PTSWARM
- bool "Support for Sibyte BCM91250PT-PTSWARM"
+ bool "Sibyte BCM91250PT-PTSWARM"
depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
@@ -671,7 +671,7 @@ config SIBYTE_PTSWARM
select SYS_SUPPORTS_LITTLE_ENDIAN
config SIBYTE_LITTLESUR
- bool "Support for Sibyte BCM91250C2-LittleSur"
+ bool "Sibyte BCM91250C2-LittleSur"
depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
@@ -683,7 +683,7 @@ config SIBYTE_LITTLESUR
select SYS_SUPPORTS_LITTLE_ENDIAN
config SIBYTE_CRHINE
- bool "Support for Sibyte BCM91120C-CRhine"
+ bool "Sibyte BCM91120C-CRhine"
depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
@@ -694,7 +694,7 @@ config SIBYTE_CRHINE
select SYS_SUPPORTS_LITTLE_ENDIAN
config SIBYTE_CRHONE
- bool "Support for Sibyte BCM91125C-CRhone"
+ bool "Sibyte BCM91125C-CRhone"
depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
@@ -706,7 +706,7 @@ config SIBYTE_CRHONE
select SYS_SUPPORTS_LITTLE_ENDIAN
config SNI_RM200_PCI
- bool "Support for SNI RM200 PCI"
+ bool "SNI RM200 PCI"
select ARC
select ARC32
select ARCH_MAY_HAVE_PC_FDC
@@ -732,7 +732,7 @@ config SNI_RM200_PCI
support this machine type.
config TOSHIBA_JMR3927
- bool "Support for Toshiba JMR-TX3927 board"
+ bool "Toshiba JMR-TX3927 board"
select DMA_NONCOHERENT
select HW_HAS_PCI
select MIPS_TX3927
@@ -743,7 +743,7 @@ config TOSHIBA_JMR3927
select TOSHIBA_BOARDS
config TOSHIBA_RBTX4927
- bool "Support for Toshiba TBTX49[23]7 board"
+ bool "Toshiba TBTX49[23]7 board"
select DMA_NONCOHERENT
select HAS_TXX9_SERIAL
select HW_HAS_PCI
@@ -760,7 +760,7 @@ config TOSHIBA_RBTX4927
support this machine type
config TOSHIBA_RBTX4938
- bool "Support for Toshiba RBTX4938 board"
+ bool "Toshiba RBTX4938 board"
select HAVE_STD_PC_SERIAL_PORT
select DMA_NONCOHERENT
select GENERIC_ISA_DMA
@@ -1411,13 +1411,12 @@ config PAGE_SIZE_8KB
config PAGE_SIZE_16KB
bool "16kB"
- depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
+ depends on !CPU_R3000 && !CPU_TX39XX
help
Using 16kB page size will result in higher performance kernel at
the price of higher memory consumption. This option is available on
- all non-R3000 family processor. Not that at the time of this
- writing this option is still high experimental; there are also
- issues with compatibility of user applications.
+ all non-R3000 family processors. Note that you will need a suitable
+ Linux distribution to support this.
config PAGE_SIZE_64KB
bool "64kB"
@@ -1426,8 +1425,7 @@ config PAGE_SIZE_64KB
Using 64kB page size will result in higher performance kernel at
the price of higher memory consumption. This option is available on
all non-R3000 family processor. Not that at the time of this
- writing this option is still high experimental; there are also
- issues with compatibility of user applications.
+ writing this option is still high experimental.
endchoice
diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c
index da61de77615..afe05ec12c2 100644
--- a/arch/mips/au1000/common/irq.c
+++ b/arch/mips/au1000/common/irq.c
@@ -68,6 +68,7 @@
extern void set_debug_traps(void);
extern irq_cpustat_t irq_stat [NR_CPUS];
+extern void mips_timer_interrupt(struct pt_regs *regs);
static void setup_local_irq(unsigned int irq, int type, int int_req);
static unsigned int startup_irq(unsigned int irq);
diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c
index f85f1524b36..f74d66a58a2 100644
--- a/arch/mips/au1000/common/time.c
+++ b/arch/mips/au1000/common/time.c
@@ -116,6 +116,7 @@ void mips_timer_interrupt(struct pt_regs *regs)
null:
ack_r4ktimer(0);
+ irq_exit();
}
#ifdef CONFIG_PM
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index 92b28b674d6..0facfaf4e95 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -272,8 +272,8 @@ void output_sc_defines(void)
text("/* Linux sigcontext offsets. */");
offset("#define SC_REGS ", struct sigcontext, sc_regs);
offset("#define SC_FPREGS ", struct sigcontext, sc_fpregs);
- offset("#define SC_MDHI ", struct sigcontext, sc_hi);
- offset("#define SC_MDLO ", struct sigcontext, sc_lo);
+ offset("#define SC_MDHI ", struct sigcontext, sc_mdhi);
+ offset("#define SC_MDLO ", struct sigcontext, sc_mdlo);
offset("#define SC_PC ", struct sigcontext, sc_pc);
offset("#define SC_FPC_CSR ", struct sigcontext, sc_fpc_csr);
linefeed;
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 58b3b14873c..bef3e2dc7c5 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -121,6 +121,7 @@ static inline void check_wait(void)
case CPU_24K:
case CPU_25KF:
case CPU_34K:
+ case CPU_74K:
case CPU_PR4450:
cpu_wait = r4k_wait;
printk(" available.\n");
@@ -432,6 +433,15 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c)
MIPS_CPU_LLSC;
c->tlbsize = 64;
break;
+ case PRID_IMP_R14000:
+ c->cputype = CPU_R14000;
+ c->isa_level = MIPS_CPU_ISA_IV;
+ c->options = MIPS_CPU_TLB | MIPS_CPU_4K_CACHE | MIPS_CPU_4KEX |
+ MIPS_CPU_FPU | MIPS_CPU_32FPR |
+ MIPS_CPU_COUNTER | MIPS_CPU_WATCH |
+ MIPS_CPU_LLSC;
+ c->tlbsize = 64;
+ break;
}
}
@@ -593,6 +603,9 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c)
case PRID_IMP_34K:
c->cputype = CPU_34K;
break;
+ case PRID_IMP_74K:
+ c->cputype = CPU_74K;
+ break;
}
}
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index d101d2fb24c..a9c6de1b954 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -101,7 +101,7 @@ FEXPORT(restore_all) # restore full frame
EMT
1:
mfc0 v1, CP0_TCSTATUS
- /* We set IXMT above, XOR should cler it here */
+ /* We set IXMT above, XOR should clear it here */
xori v1, v1, TCSTATUS_IXMT
or v1, v0, v1
mtc0 v1, CP0_TCSTATUS
diff --git a/arch/mips/kernel/gdb-low.S b/arch/mips/kernel/gdb-low.S
index 10f28fb9f00..5fd7a8af0c6 100644
--- a/arch/mips/kernel/gdb-low.S
+++ b/arch/mips/kernel/gdb-low.S
@@ -54,9 +54,11 @@
*/
mfc0 k0, CP0_CAUSE
andi k0, k0, 0x7c
- add k1, k1, k0
- PTR_L k0, saved_vectors(k1)
- jr k0
+#ifdef CONFIG_64BIT
+ dsll k0, k0, 1
+#endif
+ PTR_L k1, saved_vectors(k0)
+ jr k1
nop
1:
move k0, sp
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 84ab959f924..9def554f335 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -42,6 +42,7 @@ static const char *cpu_name[] = {
[CPU_R8000] = "R8000",
[CPU_R10000] = "R10000",
[CPU_R12000] = "R12000",
+ [CPU_R14000] = "R14000",
[CPU_R4300] = "R4300",
[CPU_R4650] = "R4650",
[CPU_R4700] = "R4700",
@@ -74,6 +75,7 @@ static const char *cpu_name[] = {
[CPU_24K] = "MIPS 24K",
[CPU_25KF] = "MIPS 25Kf",
[CPU_34K] = "MIPS 34K",
+ [CPU_74K] = "MIPS 74K",
[CPU_VR4111] = "NEC VR4111",
[CPU_VR4121] = "NEC VR4121",
[CPU_VR4122] = "NEC VR4122",
diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h
index 3ca786215d4..ce6cb915c0a 100644
--- a/arch/mips/kernel/signal-common.h
+++ b/arch/mips/kernel/signal-common.h
@@ -31,7 +31,6 @@ setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
save_gp_reg(31);
#undef save_gp_reg
-#ifdef CONFIG_32BIT
err |= __put_user(regs->hi, &sc->sc_mdhi);
err |= __put_user(regs->lo, &sc->sc_mdlo);
if (cpu_has_dsp) {
@@ -43,20 +42,6 @@ setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
err |= __put_user(mflo3(), &sc->sc_lo3);
err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);
}
-#endif
-#ifdef CONFIG_64BIT
- err |= __put_user(regs->hi, &sc->sc_hi[0]);
- err |= __put_user(regs->lo, &sc->sc_lo[0]);
- if (cpu_has_dsp) {
- err |= __put_user(mfhi1(), &sc->sc_hi[1]);
- err |= __put_user(mflo1(), &sc->sc_lo[1]);
- err |= __put_user(mfhi2(), &sc->sc_hi[2]);
- err |= __put_user(mflo2(), &sc->sc_lo[2]);
- err |= __put_user(mfhi3(), &sc->sc_hi[3]);
- err |= __put_user(mflo3(), &sc->sc_lo[3]);
- err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);
- }
-#endif
err |= __put_user(!!used_math(), &sc->sc_used_math);
@@ -92,7 +77,6 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
current_thread_info()->restart_block.fn = do_no_restart_syscall;
err |= __get_user(regs->cp0_epc, &sc->sc_pc);
-#ifdef CONFIG_32BIT
err |= __get_user(regs->hi, &sc->sc_mdhi);
err |= __get_user(regs->lo, &sc->sc_mdlo);
if (cpu_has_dsp) {
@@ -104,20 +88,6 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
err |= __get_user(treg, &sc->sc_lo3); mtlo3(treg);
err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK);
}
-#endif
-#ifdef CONFIG_64BIT
- err |= __get_user(regs->hi, &sc->sc_hi[0]);
- err |= __get_user(regs->lo, &sc->sc_lo[0]);
- if (cpu_has_dsp) {
- err |= __get_user(treg, &sc->sc_hi[1]); mthi1(treg);
- err |= __get_user(treg, &sc->sc_lo[1]); mthi1(treg);
- err |= __get_user(treg, &sc->sc_hi[2]); mthi2(treg);
- err |= __get_user(treg, &sc->sc_lo[2]); mthi2(treg);
- err |= __get_user(treg, &sc->sc_hi[3]); mthi3(treg);
- err |= __get_user(treg, &sc->sc_lo[3]); mthi3(treg);
- err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK);
- }
-#endif
#define restore_gp_reg(i) do { \
err |= __get_user(regs->regs[i], &sc->sc_regs[i]); \
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 2aeaa2fd4b3..8f4fdd94dbd 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -280,27 +280,6 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
char __user *name;
switch(cmd) {
- case SETNAME: {
- char nodename[__NEW_UTS_LEN + 1];
-
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
- name = (char __user *) arg1;
-
- len = strncpy_from_user(nodename, name, __NEW_UTS_LEN);
- if (len < 0)
- return -EFAULT;
-
- down_write(&uts_sem);
- strncpy(system_utsname.nodename, nodename, len);
- nodename[__NEW_UTS_LEN] = '\0';
- strlcpy(system_utsname.nodename, nodename,
- sizeof(system_utsname.nodename));
- up_write(&uts_sem);
- return 0;
- }
-
case MIPS_ATOMIC_SET:
printk(KERN_CRIT "How did I get here?\n");
return -EINVAL;
@@ -313,9 +292,6 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
case FLUSH_CACHE:
__flush_cache_all();
return 0;
-
- case MIPS_RDNVRAM:
- return -EIO;
}
return -EINVAL;
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 4901f0a37fc..35cb08da382 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -902,6 +902,7 @@ static inline void parity_protection_init(void)
{
switch (current_cpu_data.cputype) {
case CPU_24K:
+ case CPU_34K:
case CPU_5KC:
write_c0_ecc(0x80000000);
back_to_back_c0_hazard();
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index 14fa00e3cdf..b84d1f9ce28 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -151,23 +151,13 @@ SECTIONS
/* This is the MIPS specific mdebug section. */
.mdebug : { *(.mdebug) }
- /* These are needed for ELF backends which have not yet been
- converted to the new style linker. */
- .stab 0 : { *(.stab) }
- .stabstr 0 : { *(.stabstr) }
- /* DWARF debug sections.
- Symbols in the .debug DWARF section are relative to the beginning of the
- section so we begin .debug at 0. It's not clear yet what needs to happen
- for the others. */
- .debug 0 : { *(.debug) }
- .debug_srcinfo 0 : { *(.debug_srcinfo) }
- .debug_aranges 0 : { *(.debug_aranges) }
- .debug_pubnames 0 : { *(.debug_pubnames) }
- .debug_sfnames 0 : { *(.debug_sfnames) }
- .line 0 : { *(.line) }
+
+ STABS_DEBUG
+
+ DWARF_DEBUG
+
/* These must appear regardless of . */
.gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
.gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
- .comment : { *(.comment) }
.note : { *(.note) }
}
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 4182e1176fa..6b354176960 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -29,6 +29,27 @@
#include <asm/war.h>
#include <asm/cacheflush.h> /* for run_uncached() */
+
+/*
+ * Special Variant of smp_call_function for use by cache functions:
+ *
+ * o No return value
+ * o collapses to normal function call on UP kernels
+ * o collapses to normal function call on systems with a single shared
+ * primary cache.
+ */
+static inline void r4k_on_each_cpu(void (*func) (void *info), void *info,
+ int retry, int wait)
+{
+ preempt_disable();
+
+#if !defined(CONFIG_MIPS_MT_SMP) && !defined(CONFIG_MIPS_MT_SMTC)
+ smp_call_function(func, info, retry, wait);
+#endif
+ func(info);
+ preempt_enable();
+}
+
/*
* Must die.
*/
@@ -299,7 +320,7 @@ static void r4k_flush_cache_all(void)
if (!cpu_has_dc_aliases)
return;
- on_each_cpu(local_r4k_flush_cache_all, NULL, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_cache_all, NULL, 1, 1);
}
static inline void local_r4k___flush_cache_all(void * args)
@@ -314,13 +335,14 @@ static inline void local_r4k___flush_cache_all(void * args)
case CPU_R4400MC:
case CPU_R10000:
case CPU_R12000:
+ case CPU_R14000:
r4k_blast_scache();
}
}
static void r4k___flush_cache_all(void)
{
- on_each_cpu(local_r4k___flush_cache_all, NULL, 1, 1);
+ r4k_on_each_cpu(local_r4k___flush_cache_all, NULL, 1, 1);
}
static inline void local_r4k_flush_cache_range(void * args)
@@ -341,7 +363,7 @@ static inline void local_r4k_flush_cache_range(void * args)
static void r4k_flush_cache_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
- on_each_cpu(local_r4k_flush_cache_range, vma, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_cache_range, vma, 1, 1);
}
static inline void local_r4k_flush_cache_mm(void * args)
@@ -370,7 +392,7 @@ static void r4k_flush_cache_mm(struct mm_struct *mm)
if (!cpu_has_dc_aliases)
return;
- on_each_cpu(local_r4k_flush_cache_mm, mm, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_cache_mm, mm, 1, 1);
}
struct flush_cache_page_args {
@@ -461,7 +483,7 @@ static void r4k_flush_cache_page(struct vm_area_struct *vma,
args.addr = addr;
args.pfn = pfn;
- on_each_cpu(local_r4k_flush_cache_page, &args, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_cache_page, &args, 1, 1);
}
static inline void local_r4k_flush_data_cache_page(void * addr)
@@ -471,7 +493,7 @@ static inline void local_r4k_flush_data_cache_page(void * addr)
static void r4k_flush_data_cache_page(unsigned long addr)
{
- on_each_cpu(local_r4k_flush_data_cache_page, (void *) addr, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_data_cache_page, (void *) addr, 1, 1);
}
struct flush_icache_range_args {
@@ -514,7 +536,7 @@ static void r4k_flush_icache_range(unsigned long start, unsigned long end)
args.start = start;
args.end = end;
- on_each_cpu(local_r4k_flush_icache_range, &args, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_icache_range, &args, 1, 1);
instruction_hazard();
}
@@ -590,7 +612,7 @@ static void r4k_flush_icache_page(struct vm_area_struct *vma,
args.vma = vma;
args.page = page;
- on_each_cpu(local_r4k_flush_icache_page, &args, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_icache_page, &args, 1, 1);
}
@@ -689,7 +711,7 @@ static void local_r4k_flush_cache_sigtramp(void * arg)
static void r4k_flush_cache_sigtramp(unsigned long addr)
{
- on_each_cpu(local_r4k_flush_cache_sigtramp, (void *) addr, 1, 1);
+ r4k_on_each_cpu(local_r4k_flush_cache_sigtramp, (void *) addr, 1, 1);
}
static void r4k_flush_icache_all(void)
@@ -812,6 +834,7 @@ static void __init probe_pcache(void)
case CPU_R10000:
case CPU_R12000:
+ case CPU_R14000:
icache_size = 1 << (12 + ((config & R10K_CONF_IC) >> 29));
c->icache.linesz = 64;
c->icache.ways = 2;
@@ -965,9 +988,11 @@ static void __init probe_pcache(void)
c->dcache.flags |= MIPS_CACHE_PINDEX;
case CPU_R10000:
case CPU_R12000:
+ case CPU_R14000:
case CPU_SB1:
break;
case CPU_24K:
+ case CPU_34K:
if (!(read_c0_config7() & (1 << 16)))
default:
if (c->dcache.waysize > PAGE_SIZE)
@@ -1091,6 +1116,7 @@ static void __init setup_scache(void)
case CPU_R10000:
case CPU_R12000:
+ case CPU_R14000:
scache_size = 0x80000 << ((config & R10K_CONF_SS) >> 16);
c->scache.linesz = 64 << ((config >> 13) & 1);
c->scache.ways = 2;
diff --git a/arch/mips/mm/pg-r4k.c b/arch/mips/mm/pg-r4k.c
index e4390dc3eb4..b7c749232ff 100644
--- a/arch/mips/mm/pg-r4k.c
+++ b/arch/mips/mm/pg-r4k.c
@@ -357,6 +357,7 @@ void __init build_clear_page(void)
case CPU_R10000:
case CPU_R12000:
+ case CPU_R14000:
pref_src_mode = Pref_LoadStreamed;
pref_dst_mode = Pref_StoreStreamed;
break;
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 053dbacac56..54507be2ab5 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -875,6 +875,7 @@ static __init void build_tlb_write_entry(u32 **p, struct label **l,
case CPU_R10000:
case CPU_R12000:
+ case CPU_R14000:
case CPU_4KC:
case CPU_SB1:
case CPU_SB1A:
@@ -906,6 +907,7 @@ static __init void build_tlb_write_entry(u32 **p, struct label **l,
case CPU_4KEC:
case CPU_24K:
case CPU_34K:
+ case CPU_74K:
i_ehb(p);
tlbw(p);
break;
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index f2b4862aaae..91b799d2cd8 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -80,6 +80,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
case CPU_24K:
case CPU_25KF:
case CPU_34K:
+ case CPU_74K:
case CPU_SB1:
case CPU_SB1A:
lmodel = &op_model_mipsxx;
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index 95d488ca075..e7ce9239130 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -205,6 +205,10 @@ static int __init mipsxx_init(void)
case CPU_34K:
op_model_mipsxx.cpu_type = "mips/34K";
break;
+
+ case CPU_74K:
+ op_model_mipsxx.cpu_type = "mips/74K";
+ break;
#endif
case CPU_5KC:
diff --git a/include/asm-mips/cpu.h b/include/asm-mips/cpu.h
index 818b9a97e21..dff2a0a52f8 100644
--- a/include/asm-mips/cpu.h
+++ b/include/asm-mips/cpu.h
@@ -51,6 +51,7 @@
#define PRID_IMP_R4300 0x0b00
#define PRID_IMP_VR41XX 0x0c00
#define PRID_IMP_R12000 0x0e00
+#define PRID_IMP_R14000 0x0f00
#define PRID_IMP_R8000 0x1000
#define PRID_IMP_PR4450 0x1200
#define PRID_IMP_R4600 0x2000
@@ -87,6 +88,7 @@
#define PRID_IMP_24K 0x9300
#define PRID_IMP_34K 0x9500
#define PRID_IMP_24KE 0x9600
+#define PRID_IMP_74K 0x9700
/*
* These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
@@ -196,7 +198,9 @@
#define CPU_34K 60
#define CPU_PR4450 61
#define CPU_SB1A 62
-#define CPU_LAST 62
+#define CPU_74K 63
+#define CPU_R14000 64
+#define CPU_LAST 64
/*
* ISA Level encodings
diff --git a/include/asm-mips/futex.h b/include/asm-mips/futex.h
index a554089991f..12d118f1bc9 100644
--- a/include/asm-mips/futex.h
+++ b/include/asm-mips/futex.h
@@ -7,6 +7,7 @@
#include <linux/futex.h>
#include <asm/errno.h>
#include <asm/uaccess.h>
+#include <asm/war.h>
#ifdef CONFIG_SMP
#define __FUTEX_SMP_SYNC " sync \n"
@@ -16,30 +17,58 @@
#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
{ \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set noat \n" \
- " .set mips3 \n" \
- "1: ll %1, (%3) # __futex_atomic_op1 \n" \
- " .set mips0 \n" \
- " " insn " \n" \
- " .set mips3 \n" \
- "2: sc $1, (%3) \n" \
- " beqzl $1, 1b \n" \
- __FUTEX_SMP_SYNC \
- "3: \n" \
- " .set pop \n" \
- " .set mips0 \n" \
- " .section .fixup,\"ax\" \n" \
- "4: li %0, %5 \n" \
- " j 2b \n" \
- " .previous \n" \
- " .section __ex_table,\"a\" \n" \
- " "__UA_ADDR "\t1b, 4b \n" \
- " "__UA_ADDR "\t2b, 4b \n" \
- " .previous \n" \
- : "=r" (ret), "=r" (oldval) \
- : "0" (0), "r" (uaddr), "Jr" (oparg), "i" (-EFAULT)); \
+ if (cpu_has_llsc && R10000_LLSC_WAR) { \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " .set mips3 \n" \
+ "1: ll %1, (%3) # __futex_atomic_op \n" \
+ " .set mips0 \n" \
+ " " insn " \n" \
+ " .set mips3 \n" \
+ "2: sc $1, (%3) \n" \
+ " beqzl $1, 1b \n" \
+ __FUTEX_SMP_SYNC \
+ "3: \n" \
+ " .set pop \n" \
+ " .set mips0 \n" \
+ " .section .fixup,\"ax\" \n" \
+ "4: li %0, %5 \n" \
+ " j 2b \n" \
+ " .previous \n" \
+ " .section __ex_table,\"a\" \n" \
+ " "__UA_ADDR "\t1b, 4b \n" \
+ " "__UA_ADDR "\t2b, 4b \n" \
+ " .previous \n" \
+ : "=r" (ret), "=r" (oldval) \
+ : "0" (0), "r" (uaddr), "Jr" (oparg), "i" (-EFAULT)); \
+ } else if (cpu_has_llsc) { \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " .set mips3 \n" \
+ "1: ll %1, (%3) # __futex_atomic_op \n" \
+ " .set mips0 \n" \
+ " " insn " \n" \
+ " .set mips3 \n" \
+ "2: sc $1, (%3) \n" \
+ " beqz $1, 1b \n" \
+ __FUTEX_SMP_SYNC \
+ "3: \n" \
+ " .set pop \n" \
+ " .set mips0 \n" \
+ " .section .fixup,\"ax\" \n" \
+ "4: li %0, %5 \n" \
+ " j 2b \n" \
+ " .previous \n" \
+ " .section __ex_table,\"a\" \n" \
+ " "__UA_ADDR "\t1b, 4b \n" \
+ " "__UA_ADDR "\t2b, 4b \n" \
+ " .previous \n" \
+ : "=r" (ret), "=r" (oldval) \
+ : "0" (0), "r" (uaddr), "Jr" (oparg), "i" (-EFAULT)); \
+ } else \
+ ret = -ENOSYS; \
}
static inline int
@@ -102,7 +131,69 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
static inline int
futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
{
- return -ENOSYS;
+ int retval;
+
+ if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
+ return -EFAULT;
+
+ if (cpu_has_llsc && R10000_LLSC_WAR) {
+ __asm__ __volatile__(
+ "# futex_atomic_cmpxchg_inatomic \n"
+ " .set push \n"
+ " .set noat \n"
+ " .set mips3 \n"
+ "1: ll %0, %2 \n"
+ " bne %0, %z3, 3f \n"
+ " .set mips0 \n"
+ " move $1, %z4 \n"
+ " .set mips3 \n"
+ "2: sc $1, %1 \n"
+ " beqzl $1, 1b \n"
+ __FUTEX_SMP_SYNC
+ "3: \n"
+ " .set pop \n"
+ " .section .fixup,\"ax\" \n"
+ "4: li %0, %5 \n"
+ " j 3b \n"
+ " .previous \n"
+ " .section __ex_table,\"a\" \n"
+ " "__UA_ADDR "\t1b, 4b \n"
+ " "__UA_ADDR "\t2b, 4b \n"
+ " .previous \n"
+ : "=&r" (retval), "=R" (*uaddr)
+ : "R" (*uaddr), "Jr" (oldval), "Jr" (newval), "i" (-EFAULT)
+ : "memory");
+ } else if (cpu_has_llsc) {
+ __asm__ __volatile__(
+ "# futex_atomic_cmpxchg_inatomic \n"
+ " .set push \n"
+ " .set noat \n"
+ " .set mips3 \n"
+ "1: ll %0, %2 \n"
+ " bne %0, %z3, 3f \n"
+ " .set mips0 \n"
+ " move $1, %z4 \n"
+ " .set mips3 \n"
+ "2: sc $1, %1 \n"
+ " beqz $1, 1b \n"
+ __FUTEX_SMP_SYNC
+ "3: \n"
+ " .set pop \n"
+ " .section .fixup,\"ax\" \n"
+ "4: li %0, %5 \n"
+ " j 3b \n"
+ " .previous \n"
+ " .section __ex_table,\"a\" \n"
+ " "__UA_ADDR "\t1b, 4b \n"
+ " "__UA_ADDR "\t2b, 4b \n"
+ " .previous \n"
+ : "=&r" (retval), "=R" (*uaddr)
+ : "R" (*uaddr), "Jr" (oldval), "Jr" (newval), "i" (-EFAULT)
+ : "memory");
+ } else
+ return -ENOSYS;
+
+ return retval;
}
#endif
diff --git a/include/asm-mips/inst.h b/include/asm-mips/inst.h
index e0745f4ff62..1ed8d0f6257 100644
--- a/include/asm-mips/inst.h
+++ b/include/asm-mips/inst.h
@@ -6,6 +6,7 @@
* for more details.
*
* Copyright (C) 1996, 2000 by Ralf Baechle
+ * Copyright (C) 2006 by Thiemo Seufer
*/
#ifndef _ASM_INST_H
#define _ASM_INST_H
@@ -21,14 +22,14 @@ enum major_op {
cop0_op, cop1_op, cop2_op, cop1x_op,
beql_op, bnel_op, blezl_op, bgtzl_op,
daddi_op, daddiu_op, ldl_op, ldr_op,
- major_1c_op, jalx_op, major_1e_op, major_1f_op,
+ spec2_op, jalx_op, mdmx_op, spec3_op,
lb_op, lh_op, lwl_op, lw_op,
lbu_op, lhu_op, lwr_op, lwu_op,
sb_op, sh_op, swl_op, sw_op,
sdl_op, sdr_op, swr_op, cache_op,
ll_op, lwc1_op, lwc2_op, pref_op,
lld_op, ldc1_op, ldc2_op, ld_op,
- sc_op, swc1_op, swc2_op, rdhwr_op,
+ sc_op, swc1_op, swc2_op, major_3b_op,
scd_op, sdc1_op, sdc2_op, sd_op
};
@@ -37,7 +38,7 @@ enum major_op {
*/
enum spec_op {
sll_op, movc_op, srl_op, sra_op,
- sllv_op, srlv_op, srav_op, spec1_unused_op, /* Opcode 0x07 is unused */
+ sllv_op, pmon_op, srlv_op, srav_op,
jr_op, jalr_op, movz_op, movn_op,
syscall_op, break_op, spim_op, sync_op,
mfhi_op, mthi_op, mflo_op, mtlo_op,
@@ -55,6 +56,28 @@ enum spec_op {
};
/*
+ * func field of spec2 opcode.
+ */
+enum spec2_op {
+ madd_op, maddu_op, mul_op, spec2_3_unused_op,
+ msub_op, msubu_op, /* more unused ops */
+ clz_op = 0x20, clo_op,
+ dclz_op = 0x24, dclo_op,
+ sdbpp_op = 0x3f
+};
+
+/*
+ * func field of spec3 opcode.
+ */
+enum spec3_op {
+ ext_op, dextm_op, dextu_op, dext_op,
+ ins_op, dinsm_op, dinsu_op, dins_op,
+ bshfl_op = 0x20,
+ dbshfl_op = 0x24,
+ rdhwr_op = 0x3f
+};
+
+/*
* rt field of bcond opcodes.
*/
enum rt_op {
@@ -151,8 +174,8 @@ enum cop1x_func {
* func field for mad opcodes (MIPS IV).
*/
enum mad_func {
- madd_op = 0x08, msub_op = 0x0a,
- nmadd_op = 0x0c, nmsub_op = 0x0e
+ madd_fp_op = 0x08, msub_fp_op = 0x0a,
+ nmadd_fp_op = 0x0c, nmsub_fp_op = 0x0e
};
/*
diff --git a/include/asm-mips/mipsregs.h b/include/asm-mips/mipsregs.h
index a2ef579f6b1..5af7517fce8 100644
--- a/include/asm-mips/mipsregs.h
+++ b/include/asm-mips/mipsregs.h
@@ -291,7 +291,7 @@
#define ST0_DL (_ULCAST_(1) << 24)
/*
- * Enable the MIPS DSP ASE
+ * Enable the MIPS MDMX and DSP ASEs
*/
#define ST0_MX 0x01000000
diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h
index 702a28fa7a3..174a3cda8c2 100644
--- a/include/asm-mips/pgtable.h
+++ b/include/asm-mips/pgtable.h
@@ -82,10 +82,11 @@ extern void paging_init(void);
#define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
#define pmd_page_kernel(pmd) pmd_val(pmd)
-#define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL))
-#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
-
#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
+
+#define pte_none(pte) (!(((pte).pte_low | (pte).pte_high) & ~_PAGE_GLOBAL))
+#define pte_present(pte) ((pte).pte_low & _PAGE_PRESENT)
+
static inline void set_pte(pte_t *ptep, pte_t pte)
{
ptep->pte_high = pte.pte_high;
@@ -93,27 +94,35 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
ptep->pte_low = pte.pte_low;
//printk("pte_high %x pte_low %x\n", ptep->pte_high, ptep->pte_low);
- if (pte_val(pte) & _PAGE_GLOBAL) {
+ if (pte.pte_low & _PAGE_GLOBAL) {
pte_t *buddy = ptep_buddy(ptep);
/*
* Make sure the buddy is global too (if it's !none,
* it better already be global)
*/
- if (pte_none(*buddy))
- buddy->pte_low |= _PAGE_GLOBAL;
+ if (pte_none(*buddy)) {
+ buddy->pte_low |= _PAGE_GLOBAL;
+ buddy->pte_high |= _PAGE_GLOBAL;
+ }
}
}
#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
+ pte_t null = __pte(0);
+
/* Preserve global status for the pair */
- if (pte_val(*ptep_buddy(ptep)) & _PAGE_GLOBAL)
- set_pte_at(mm, addr, ptep, __pte(_PAGE_GLOBAL));
- else
- set_pte_at(mm, addr, ptep, __pte(0));
+ if (ptep_buddy(ptep)->pte_low & _PAGE_GLOBAL)
+ null.pte_low = null.pte_high = _PAGE_GLOBAL;
+
+ set_pte_at(mm, addr, ptep, null);
}
#else
+
+#define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL))
+#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
+
/*
* Certain architectures need to do special things when pte's
* within a page table are directly modified. Thus, the following
@@ -174,75 +183,76 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
*/
static inline int pte_user(pte_t pte) { BUG(); return 0; }
#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
-static inline int pte_read(pte_t pte) { return (pte).pte_low & _PAGE_READ; }
-static inline int pte_write(pte_t pte) { return (pte).pte_low & _PAGE_WRITE; }
-static inline int pte_dirty(pte_t pte) { return (pte).pte_low & _PAGE_MODIFIED; }
-static inline int pte_young(pte_t pte) { return (pte).pte_low & _PAGE_ACCESSED; }
-static inline int pte_file(pte_t pte) { return (pte).pte_low & _PAGE_FILE; }
+static inline int pte_read(pte_t pte) { return pte.pte_low & _PAGE_READ; }
+static inline int pte_write(pte_t pte) { return pte.pte_low & _PAGE_WRITE; }
+static inline int pte_dirty(pte_t pte) { return pte.pte_low & _PAGE_MODIFIED; }
+static inline int pte_young(pte_t pte) { return pte.pte_low & _PAGE_ACCESSED; }
+static inline int pte_file(pte_t pte) { return pte.pte_low & _PAGE_FILE; }
+
static inline pte_t pte_wrprotect(pte_t pte)
{
- (pte).pte_low &= ~(_PAGE_WRITE | _PAGE_SILENT_WRITE);
- (pte).pte_high &= ~_PAGE_SILENT_WRITE;
+ pte.pte_low &= ~(_PAGE_WRITE | _PAGE_SILENT_WRITE);
+ pte.pte_high &= ~_PAGE_SILENT_WRITE;
return pte;
}
static inline pte_t pte_rdprotect(pte_t pte)
{
- (pte).pte_low &= ~(_PAGE_READ | _PAGE_SILENT_READ);
- (pte).pte_high &= ~_PAGE_SILENT_READ;
+ pte.pte_low &= ~(_PAGE_READ | _PAGE_SILENT_READ);
+ pte.pte_high &= ~_PAGE_SILENT_READ;
return pte;
}
static inline pte_t pte_mkclean(pte_t pte)
{
- (pte).pte_low &= ~(_PAGE_MODIFIED|_PAGE_SILENT_WRITE);
- (pte).pte_high &= ~_PAGE_SILENT_WRITE;
+ pte.pte_low &= ~(_PAGE_MODIFIED | _PAGE_SILENT_WRITE);
+ pte.pte_high &= ~_PAGE_SILENT_WRITE;
return pte;
}
static inline pte_t pte_mkold(pte_t pte)
{
- (pte).pte_low &= ~(_PAGE_ACCESSED|_PAGE_SILENT_READ);
- (pte).pte_high &= ~_PAGE_SILENT_READ;
+ pte.pte_low &= ~(_PAGE_ACCESSED | _PAGE_SILENT_READ);
+ pte.pte_high &= ~_PAGE_SILENT_READ;
return pte;
}
static inline pte_t pte_mkwrite(pte_t pte)
{
- (pte).pte_low |= _PAGE_WRITE;
- if ((pte).pte_low & _PAGE_MODIFIED) {
- (pte).pte_low |= _PAGE_SILENT_WRITE;
- (pte).pte_high |= _PAGE_SILENT_WRITE;
+ pte.pte_low |= _PAGE_WRITE;
+ if (pte.pte_low & _PAGE_MODIFIED) {
+ pte.pte_low |= _PAGE_SILENT_WRITE;
+ pte.pte_high |= _PAGE_SILENT_WRITE;
}
return pte;
}
static inline pte_t pte_mkread(pte_t pte)
{
- (pte).pte_low |= _PAGE_READ;
- if ((pte).pte_low & _PAGE_ACCESSED) {
- (pte).pte_low |= _PAGE_SILENT_READ;
- (pte).pte_high |= _PAGE_SILENT_READ;
+ pte.pte_low |= _PAGE_READ;
+ if (pte.pte_low & _PAGE_ACCESSED) {
+ pte.pte_low |= _PAGE_SILENT_READ;
+ pte.pte_high |= _PAGE_SILENT_READ;
}
return pte;
}
static inline pte_t pte_mkdirty(pte_t pte)
{
- (pte).pte_low |= _PAGE_MODIFIED;
- if ((pte).pte_low & _PAGE_WRITE) {
- (pte).pte_low |= _PAGE_SILENT_WRITE;
- (pte).pte_high |= _PAGE_SILENT_WRITE;
+ pte.pte_low |= _PAGE_MODIFIED;
+ if (pte.pte_low & _PAGE_WRITE) {
+ pte.pte_low |= _PAGE_SILENT_WRITE;
+ pte.pte_high |= _PAGE_SILENT_WRITE;
}
return pte;
}
static inline pte_t pte_mkyoung(pte_t pte)
{
- (pte).pte_low |= _PAGE_ACCESSED;
- if ((pte).pte_low & _PAGE_READ)
- (pte).pte_low |= _PAGE_SILENT_READ;
- (pte).pte_high |= _PAGE_SILENT_READ;
+ pte.pte_low |= _PAGE_ACCESSED;
+ if (pte.pte_low & _PAGE_READ)
+ pte.pte_low |= _PAGE_SILENT_READ;
+ pte.pte_high |= _PAGE_SILENT_READ;
return pte;
}
#else
diff --git a/include/asm-mips/sigcontext.h b/include/asm-mips/sigcontext.h
index 8edabb0be23..cefa657dd04 100644
--- a/include/asm-mips/sigcontext.h
+++ b/include/asm-mips/sigcontext.h
@@ -55,8 +55,14 @@ struct sigcontext {
struct sigcontext {
unsigned long sc_regs[32];
unsigned long sc_fpregs[32];
- unsigned long sc_hi[4];
- unsigned long sc_lo[4];
+ unsigned long sc_mdhi;
+ unsigned long sc_hi1;
+ unsigned long sc_hi2;
+ unsigned long sc_hi3;
+ unsigned long sc_mdlo;
+ unsigned long sc_lo1;
+ unsigned long sc_lo2;
+ unsigned long sc_lo3;
unsigned long sc_pc;
unsigned int sc_fpc_csr;
unsigned int sc_used_math;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-15 16:11:40 +0000