Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-…

…linus
git-mirror · Jan 10, 2006 · d936cfc · d936cfc
2 parents 4f47707 + adfc764
commit d936cfc
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Showing 98 changed files with 285 additions and 190 deletions.
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
@@ -1471,7 +1471,7 @@ config SB1_PASS_2_1_WORKAROUNDS
 
 config 64BIT_PHYS_ADDR
 	bool "Support for 64-bit physical address space"
-	depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT
+	depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
 
 config CPU_ADVANCED
 	bool "Override CPU Options"
@@ -1492,14 +1492,6 @@ config CPU_HAS_LLSC
 	  for better performance, N if you don't know.  You must say Y here
 	  for multiprocessor machines.
 
-config CPU_HAS_LLDSCD
-	bool "lld/scd Instructions available" if CPU_ADVANCED
-	default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1
-	help
-	  Say Y here if your CPU has the lld and scd instructions, the 64-bit
-	  equivalents of ll and sc.  Say Y here for better performance, N if
-	  you don't know.  You must say Y here for multiprocessor machines.
-
 config CPU_HAS_WB
 	bool "Writeback Buffer available" if CPU_ADVANCED
 	default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION

diff --git a/arch/mips/Makefile b/arch/mips/Makefile
@@ -93,7 +93,6 @@ endif
 #
 cflags-y			+= -I $(TOPDIR)/include/asm/gcc
 cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe
-cflags-y			+= $(call cc-option, -finline-limit=100000)
 LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
 MODFLAGS			+= -mlong-calls
 

diff --git a/arch/mips/configs/bigsur_defconfig b/arch/mips/configs/bigsur_defconfig
@@ -130,7 +130,6 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_SIBYTE_DMA_PAGEOPS is not set
 # CONFIG_MIPS_MT is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/cobalt_defconfig b/arch/mips/configs/cobalt_defconfig
@@ -115,7 +115,6 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_MIPS_MT is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/ddb5476_defconfig b/arch/mips/configs/ddb5476_defconfig
@@ -116,7 +116,6 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_MIPS_MT is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/ddb5477_defconfig b/arch/mips/configs/ddb5477_defconfig
@@ -116,7 +116,6 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_MIPS_MT is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/ev64120_defconfig b/arch/mips/configs/ev64120_defconfig
@@ -118,7 +118,6 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/ev96100_defconfig b/arch/mips/configs/ev96100_defconfig
@@ -121,7 +121,6 @@ CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig
@@ -123,7 +123,6 @@ CONFIG_IP22_CPU_SCACHE=y
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig
@@ -119,7 +119,6 @@ CONFIG_PAGE_SIZE_4KB=y
 CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_MIPS_MT is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/ip32_defconfig b/arch/mips/configs/ip32_defconfig
@@ -121,7 +121,6 @@ CONFIG_R5000_CPU_SCACHE=y
 CONFIG_RM7000_CPU_SCACHE=y
 # CONFIG_MIPS_MT is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/it8172_defconfig b/arch/mips/configs/it8172_defconfig
@@ -117,7 +117,6 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_MIPS_MT is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/ivr_defconfig b/arch/mips/configs/ivr_defconfig
@@ -114,7 +114,6 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_MIPS_MT is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/jaguar-atx_defconfig b/arch/mips/configs/jaguar-atx_defconfig
@@ -124,7 +124,6 @@ CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/lasat200_defconfig b/arch/mips/configs/lasat200_defconfig
@@ -121,7 +121,6 @@ CONFIG_R5000_CPU_SCACHE=y
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc2
-# Thu Nov 24 01:06:35 2005
+# Linux kernel version: 2.6.15-rc5
+# Fri Dec 23 02:21:03 2005
 #
 CONFIG_MIPS=y
 
@@ -87,8 +87,8 @@ CONFIG_HAVE_STD_PC_SERIAL_PORT=y
 #
 # CPU selection
 #
-CONFIG_CPU_MIPS32_R1=y
-# CONFIG_CPU_MIPS32_R2 is not set
+# CONFIG_CPU_MIPS32_R1 is not set
+CONFIG_CPU_MIPS32_R2=y
 # CONFIG_CPU_MIPS64_R1 is not set
 # CONFIG_CPU_MIPS64_R2 is not set
 # CONFIG_CPU_R3000 is not set
@@ -112,7 +112,7 @@ CONFIG_SYS_HAS_CPU_MIPS64_R1=y
 CONFIG_SYS_HAS_CPU_NEVADA=y
 CONFIG_SYS_HAS_CPU_RM7000=y
 CONFIG_CPU_MIPS32=y
-CONFIG_CPU_MIPSR1=y
+CONFIG_CPU_MIPSR2=y
 CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
 CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y
 CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y

diff --git a/arch/mips/configs/ocelot_3_defconfig b/arch/mips/configs/ocelot_3_defconfig
@@ -122,7 +122,6 @@ CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/ocelot_c_defconfig b/arch/mips/configs/ocelot_c_defconfig
@@ -118,7 +118,6 @@ CONFIG_RM7000_CPU_SCACHE=y
 CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_MIPS_MT is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/ocelot_defconfig b/arch/mips/configs/ocelot_defconfig
@@ -123,7 +123,6 @@ CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/ocelot_g_defconfig b/arch/mips/configs/ocelot_g_defconfig
@@ -121,7 +121,6 @@ CONFIG_RM7000_CPU_SCACHE=y
 CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_MIPS_MT is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/pnx8550-v2pci_defconfig b/arch/mips/configs/pnx8550-v2pci_defconfig
@@ -116,7 +116,6 @@ CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_64BIT_PHYS_ADDR is not set
 CONFIG_CPU_ADVANCED=y
 CONFIG_CPU_HAS_LLSC=y
-# CONFIG_CPU_HAS_LLDSCD is not set
 # CONFIG_CPU_HAS_WB is not set
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y

diff --git a/arch/mips/configs/rbhma4500_defconfig b/arch/mips/configs/rbhma4500_defconfig
@@ -124,7 +124,6 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_MIPS_MT is not set
 CONFIG_CPU_ADVANCED=y
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_WB=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y

diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig
@@ -124,7 +124,6 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/sb1250-swarm_defconfig b/arch/mips/configs/sb1250-swarm_defconfig
@@ -133,7 +133,6 @@ CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_MIPS_MT is not set
 CONFIG_SB1_PASS_1_WORKAROUNDS=y
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/configs/yosemite_defconfig b/arch/mips/configs/yosemite_defconfig
@@ -118,7 +118,6 @@ CONFIG_CPU_HAS_PREFETCH=y
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/defconfig b/arch/mips/defconfig
@@ -123,7 +123,6 @@ CONFIG_IP22_CPU_SCACHE=y
 # CONFIG_64BIT_PHYS_ADDR is not set
 # CONFIG_CPU_ADVANCED is not set
 CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_LLDSCD=y
 CONFIG_CPU_HAS_SYNC=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
@@ -435,6 +435,9 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c)
 	}
 }
 
+static char unknown_isa[] __initdata = KERN_ERR \
+	"Unsupported ISA type, c0.config0: %d.";
+
 static inline unsigned int decode_config0(struct cpuinfo_mips *c)
 {
 	unsigned int config0;
@@ -447,16 +450,37 @@ static inline unsigned int decode_config0(struct cpuinfo_mips *c)
 	isa = (config0 & MIPS_CONF_AT) >> 13;
 	switch (isa) {
 	case 0:
-		c->isa_level = MIPS_CPU_ISA_M32;
+		switch ((config0 >> 10) & 7) {
+		case 0:
+			c->isa_level = MIPS_CPU_ISA_M32R1;
+			break;
+		case 1:
+			c->isa_level = MIPS_CPU_ISA_M32R2;
+			break;
+		default:
+			goto unknown;
+		}
 		break;
 	case 2:
-		c->isa_level = MIPS_CPU_ISA_M64;
+		switch ((config0 >> 10) & 7) {
+		case 0:
+			c->isa_level = MIPS_CPU_ISA_M64R1;
+			break;
+		case 1:
+			c->isa_level = MIPS_CPU_ISA_M64R2;
+			break;
+		default:
+			goto unknown;
+		}
 		break;
 	default:
-		panic("Unsupported ISA type, cp0.config0.at: %d.", isa);
+		goto unknown;
 	}
 
 	return config0 & MIPS_CONF_M;
+
+unknown:
+	panic(unknown_isa, config0);
 }
 
 static inline unsigned int decode_config1(struct cpuinfo_mips *c)
@@ -568,7 +592,6 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c)
 		break;
 	case PRID_IMP_34K:
 		c->cputype = CPU_34K;
-		c->isa_level = MIPS_CPU_ISA_M32;
 		break;
 	}
 }
@@ -647,7 +670,7 @@ static inline void cpu_probe_philips(struct cpuinfo_mips *c)
 	switch (c->processor_id & 0xff00) {
 	case PRID_IMP_PR4450:
 		c->cputype = CPU_PR4450;
-		c->isa_level = MIPS_CPU_ISA_M32;
+		c->isa_level = MIPS_CPU_ISA_M32R1;
 		break;
 	default:
 		panic("Unknown Philips Core!"); /* REVISIT: die? */
@@ -690,8 +713,10 @@ __init void cpu_probe(void)
 	if (c->options & MIPS_CPU_FPU) {
 		c->fpu_id = cpu_get_fpu_id();
 
-		if (c->isa_level == MIPS_CPU_ISA_M32 ||
-		    c->isa_level == MIPS_CPU_ISA_M64) {
+		if (c->isa_level == MIPS_CPU_ISA_M32R1 ||
+		    c->isa_level == MIPS_CPU_ISA_M32R2 ||
+		    c->isa_level == MIPS_CPU_ISA_M64R1 ||
+		    c->isa_level == MIPS_CPU_ISA_M64R2) {
 			if (c->fpu_id & MIPS_FPIR_3D)
 				c->ases |= MIPS_ASE_MIPS3D;
 		}

diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
@@ -205,7 +205,7 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *r)
 	return 1;
 }
 
-void dump_regs(elf_greg_t *gp, struct pt_regs *regs)
+void elf_dump_regs(elf_greg_t *gp, struct pt_regs *regs)
 {
 	int i;
 
@@ -231,7 +231,7 @@ int dump_task_regs (struct task_struct *tsk, elf_gregset_t *regs)
 {
 	struct thread_info *ti = tsk->thread_info;
 	long ksp = (unsigned long)ti + THREAD_SIZE - 32;
-	dump_regs(&(*regs)[0], (struct pt_regs *) ksp - 1);
+	elf_dump_regs(&(*regs)[0], (struct pt_regs *) ksp - 1);
 	return 1;
 }
 

diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
@@ -280,12 +280,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 				ret = -EIO;
 				goto out;
 			}
-			if (child->thread.dsp.used_dsp) {
-				dregs = __get_dsp_regs(child);
-				tmp = (unsigned long) (dregs[addr - DSP_BASE]);
-			} else {
-				tmp = -1;	/* DSP registers yet used  */
-			}
+			dregs = __get_dsp_regs(child);
+			tmp = (unsigned long) (dregs[addr - DSP_BASE]);
 			break;
 		}
 		case DSP_CONTROL:

diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c
@@ -201,12 +201,8 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
 				ret = -EIO;
 				goto out_tsk;
 			}
-			if (child->thread.dsp.used_dsp) {
-				dspreg_t *dregs = __get_dsp_regs(child);
-				tmp = (unsigned long) (dregs[addr - DSP_BASE]);
-			} else {
-				tmp = -1;	/* DSP registers yet used  */
-			}
+			dspreg_t *dregs = __get_dsp_regs(child);
+			tmp = (unsigned long) (dregs[addr - DSP_BASE]);
 			break;
 		case DSP_CONTROL:
 			if (!cpu_has_dsp) {

diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
@@ -588,7 +588,7 @@ static inline int setup_sigcontext32(struct pt_regs *regs,
 	err |= __put_user(regs->hi, &sc->sc_mdhi);
 	err |= __put_user(regs->lo, &sc->sc_mdlo);
 	if (cpu_has_dsp) {
-		err |= __put_user(rddsp(DSP_MASK), &sc->sc_hi1);
+		err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);
 		err |= __put_user(mfhi1(), &sc->sc_hi1);
 		err |= __put_user(mflo1(), &sc->sc_lo1);
 		err |= __put_user(mfhi2(), &sc->sc_hi2);