diff options
Diffstat (limited to 'arch/mips')
34 files changed, 209 insertions, 99 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index df51e78a72cc..574c43000699 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -546,6 +546,7 @@ config SGI_IP28 # select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN + select MIPS_L1_CACHE_SHIFT_7 help This is the SGI Indigo2 with R10000 processor. To compile a Linux kernel that runs on these, say Y here. @@ -2029,7 +2030,9 @@ config MIPS_CMP bool "MIPS CMP framework support (DEPRECATED)" depends on SYS_SUPPORTS_MIPS_CMP select MIPS_GIC_IPI + select SMP select SYNC_R4K + select SYS_SUPPORTS_SMP select WEAK_ORDERING default n help @@ -2396,8 +2399,6 @@ source "kernel/Kconfig.preempt" config KEXEC bool "Kexec system call" - select CRYPTO - select CRYPTO_SHA256 help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 9336509f47ad..bbac51e11179 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -113,7 +113,16 @@ predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__ cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be)) cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) -cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips) +# For smartmips configurations, there are hundreds of warnings due to ISA overrides +# in assembly and header files. smartmips is only supported for MIPS32r1 onwards +# and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or +# similar directives in the kernel will spam the build logs with the following warnings: +# Warning: the `smartmips' extension requires MIPS32 revision 1 or greater +# or +# Warning: the 64-bit MIPS architecture does not support the `smartmips' extension +# Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has +# been fixed properly. +cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips) -Wa,--no-warn cflags-$(CONFIG_CPU_MICROMIPS) += $(call cc-option,-mmicromips) cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c index 776188908dfc..8c13675a12e7 100644 --- a/arch/mips/alchemy/devboards/db1200.c +++ b/arch/mips/alchemy/devboards/db1200.c @@ -847,6 +847,7 @@ int __init db1200_dev_setup(void) pr_warn("DB1200: cant get I2C close to 50MHz\n"); else clk_set_rate(c, pfc); + clk_prepare_enable(c); clk_put(c); } @@ -922,11 +923,6 @@ int __init db1200_dev_setup(void) } /* Audio PSC clock is supplied externally. (FIXME: platdata!!) */ - c = clk_get(NULL, "psc1_intclk"); - if (!IS_ERR(c)) { - clk_prepare_enable(c); - clk_put(c); - } __raw_writel(PSC_SEL_CLK_SERCLK, (void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET); wmb(); diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c index 2b63e7e7d3d3..ad439c273003 100644 --- a/arch/mips/bcm47xx/setup.c +++ b/arch/mips/bcm47xx/setup.c @@ -59,12 +59,21 @@ static void bcm47xx_machine_restart(char *command) switch (bcm47xx_bus_type) { #ifdef CONFIG_BCM47XX_SSB case BCM47XX_BUS_TYPE_SSB: - ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 3); + if (bcm47xx_bus.ssb.chip_id == 0x4785) + write_c0_diag4(1 << 22); + ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 1); + if (bcm47xx_bus.ssb.chip_id == 0x4785) { + __asm__ __volatile__( + ".set\tmips3\n\t" + "sync\n\t" + "wait\n\t" + ".set\tmips0"); + } break; #endif #ifdef CONFIG_BCM47XX_BCMA case BCM47XX_BUS_TYPE_BCMA: - bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 3); + bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 1); break; #endif } diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c index 37eb2d1fa69a..b94bf44d8d8e 100644 --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -434,7 +434,7 @@ static void bcm63xx_init_irq(void) irq_stat_addr[0] += PERF_IRQSTAT_3368_REG; irq_mask_addr[0] += PERF_IRQMASK_3368_REG; irq_stat_addr[1] = 0; - irq_stat_addr[1] = 0; + irq_mask_addr[1] = 0; irq_bits = 32; ext_irq_count = 4; ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_3368; @@ -443,7 +443,7 @@ static void bcm63xx_init_irq(void) irq_stat_addr[0] += PERF_IRQSTAT_6328_REG(0); irq_mask_addr[0] += PERF_IRQMASK_6328_REG(0); irq_stat_addr[1] += PERF_IRQSTAT_6328_REG(1); - irq_stat_addr[1] += PERF_IRQMASK_6328_REG(1); + irq_mask_addr[1] += PERF_IRQMASK_6328_REG(1); irq_bits = 64; ext_irq_count = 4; is_ext_irq_cascaded = 1; diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c index b49c7adbfa89..31903cf9709d 100644 --- a/arch/mips/boot/compressed/decompress.c +++ b/arch/mips/boot/compressed/decompress.c @@ -13,6 +13,7 @@ #include <linux/types.h> #include <linux/kernel.h> +#include <linux/string.h> #include <asm/addrspace.h> diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c index 008e9c8b8eac..38f4c32e2816 100644 --- a/arch/mips/cavium-octeon/setup.c +++ b/arch/mips/cavium-octeon/setup.c @@ -263,7 +263,6 @@ static uint64_t crashk_size, crashk_base; static int octeon_uart; extern asmlinkage void handle_int(void); -extern asmlinkage void plat_irq_dispatch(void); /** * Return non zero if we are currently running in the Octeon simulator @@ -458,6 +457,18 @@ static void octeon_halt(void) octeon_kill_core(NULL); } +static char __read_mostly octeon_system_type[80]; + +static int __init init_octeon_system_type(void) +{ + snprintf(octeon_system_type, sizeof(octeon_system_type), "%s (%s)", + cvmx_board_type_to_string(octeon_bootinfo->board_type), + octeon_model_get_string(read_c0_prid())); + + return 0; +} +early_initcall(init_octeon_system_type); + /** * Return a string representing the system type * @@ -465,11 +476,7 @@ static void octeon_halt(void) */ const char *octeon_board_type_string(void) { - static char name[80]; - sprintf(name, "%s (%s)", - cvmx_board_type_to_string(octeon_bootinfo->board_type), - octeon_model_get_string(read_c0_prid())); - return name; + return octeon_system_type; } const char *get_system_type(void) diff --git a/arch/mips/include/asm/cop2.h b/arch/mips/include/asm/cop2.h index d0352983b94d..51f80bd36fcc 100644 --- a/arch/mips/include/asm/cop2.h +++ b/arch/mips/include/asm/cop2.h @@ -16,8 +16,8 @@ extern void octeon_cop2_save(struct octeon_cop2_state *); extern void octeon_cop2_restore(struct octeon_cop2_state *); -#define cop2_save(r) octeon_cop2_save(r) -#define cop2_restore(r) octeon_cop2_restore(r) +#define cop2_save(r) octeon_cop2_save(&(r)->thread.cp2) +#define cop2_restore(r) octeon_cop2_restore(&(r)->thread.cp2) #define cop2_present 1 #define cop2_lazy_restore 1 @@ -26,26 +26,26 @@ extern void octeon_cop2_restore(struct octeon_cop2_state *); extern void nlm_cop2_save(struct nlm_cop2_state *); extern void nlm_cop2_restore(struct nlm_cop2_state *); -#define cop2_save(r) nlm_cop2_save(r) -#define cop2_restore(r) nlm_cop2_restore(r) + +#define cop2_save(r) nlm_cop2_save(&(r)->thread.cp2) +#define cop2_restore(r) nlm_cop2_restore(&(r)->thread.cp2) #define cop2_present 1 #define cop2_lazy_restore 0 #elif defined(CONFIG_CPU_LOONGSON3) -#define cop2_save(r) -#define cop2_restore(r) - #define cop2_present 1 #define cop2_lazy_restore 1 +#define cop2_save(r) do { (r); } while (0) +#define cop2_restore(r) do { (r); } while (0) #else #define cop2_present 0 #define cop2_lazy_restore 0 -#define cop2_save(r) -#define cop2_restore(r) +#define cop2_save(r) do { (r); } while (0) +#define cop2_restore(r) do { (r); } while (0) #endif enum cu2_ops { diff --git a/arch/mips/include/asm/eva.h b/arch/mips/include/asm/eva.h new file mode 100644 index 000000000000..a3d1807f227c --- /dev/null +++ b/arch/mips/include/asm/eva.h @@ -0,0 +1,43 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2014, Imagination Technologies Ltd. + * + * EVA functions for generic code + */ + +#ifndef _ASM_EVA_H +#define _ASM_EVA_H + +#include <kernel-entry-init.h> + +#ifdef __ASSEMBLY__ + +#ifdef CONFIG_EVA + +/* + * EVA early init code + * + * Platforms must define their own 'platform_eva_init' macro in + * their kernel-entry-init.h header. This macro usually does the + * platform specific configuration of the segmentation registers, + * and it is normally called from assembly code. + * + */ + +.macro eva_init +platform_eva_init +.endm + +#else + +.macro eva_init +.endm + +#endif /* CONFIG_EVA */ + +#endif /* __ASSEMBLY__ */ + +#endif diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h index 3f20b2111d56..d7699cf7e135 100644 --- a/arch/mips/include/asm/gic.h +++ b/arch/mips/include/asm/gic.h @@ -49,7 +49,7 @@ #endif #define GICBIS(reg, mask, bits) \ do { u32 data; \ - GICREAD((reg), data); \ + GICREAD(reg, data); \ data &= ~(mask); \ data |= ((bits) & (mask)); \ GICWRITE((reg), data); \ diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h index ae1f7b24dd1a..39f07aec640c 100644 --- a/arch/mips/include/asm/irq.h +++ b/arch/mips/include/asm/irq.h @@ -26,6 +26,8 @@ static inline int irq_canonicalize(int irq) #define irq_canonicalize(irq) (irq) /* Sane hardware, sane code ... */ #endif +asmlinkage void plat_irq_dispatch(void); + extern void do_IRQ(unsigned int irq); extern void arch_init_irq(void); diff --git a/arch/mips/include/asm/mach-ip28/spaces.h b/arch/mips/include/asm/mach-ip28/spaces.h index 5d6a76434d00..c4a912733b65 100644 --- a/arch/mips/include/asm/mach-ip28/spaces.h +++ b/arch/mips/include/asm/mach-ip28/spaces.h @@ -11,15 +11,8 @@ #ifndef _ASM_MACH_IP28_SPACES_H #define _ASM_MACH_IP28_SPACES_H -#define CAC_BASE _AC(0xa800000000000000, UL) - -#define HIGHMEM_START (~0UL) - #define PHYS_OFFSET _AC(0x20000000, UL) -#define UNCAC_BASE _AC(0xc0000000, UL) /* 0xa0000000 + PHYS_OFFSET */ -#define IO_BASE UNCAC_BASE - #include <asm/mach-generic/spaces.h> #endif /* _ASM_MACH_IP28_SPACES_H */ diff --git a/arch/mips/include/asm/mach-malta/kernel-entry-init.h b/arch/mips/include/asm/mach-malta/kernel-entry-init.h index 77eeda77e73c..0cf8622db27f 100644 --- a/arch/mips/include/asm/mach-malta/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-malta/kernel-entry-init.h @@ -10,14 +10,15 @@ #ifndef __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H #define __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H +#include <asm/regdef.h> +#include <asm/mipsregs.h> + /* * Prepare segments for EVA boot: * * This is in case the processor boots in legacy configuration * (SI_EVAReset is de-asserted and CONFIG5.K == 0) * - * On entry, t1 is loaded with CP0_CONFIG - * * ========================= Mappings ============================= * Virtual memory Physical memory Mapping * 0x00000000 - 0x7fffffff 0x80000000 - 0xfffffffff MUSUK (kuseg) @@ -30,12 +31,20 @@ * * * Lowmem is expanded to 2GB + * + * The following code uses the t0, t1, t2 and ra registers without + * previously preserving them. + * */ - .macro eva_entry + .macro platform_eva_init + + .set push + .set reorder /* * Get Config.K0 value and use it to program * the segmentation registers */ + mfc0 t1, CP0_CONFIG andi t1, 0x7 /* CCA */ move t2, t1 ins t2, t1, 16, 3 @@ -77,6 +86,8 @@ mtc0 t0, $16, 5 sync jal mips_ihb + + .set pop .endm .macro kernel_entry_setup @@ -95,7 +106,7 @@ sll t0, t0, 6 /* SC bit */ bgez t0, 9f - eva_entry + platform_eva_init b 0f 9: /* Assume we came from YAMON... */ @@ -127,8 +138,7 @@ nonsc_processor: #ifdef CONFIG_EVA sync ehb - mfc0 t1, CP0_CONFIG - eva_entry + platform_eva_init #endif .endm diff --git a/arch/mips/include/asm/mach-netlogic/topology.h b/arch/mips/include/asm/mach-netlogic/topology.h index ceeb1f5e7129..0eb43c832b25 100644 --- a/arch/mips/include/asm/mach-netlogic/topology.h +++ b/arch/mips/include/asm/mach-netlogic/topology.h @@ -10,13 +10,6 @@ #include <asm/mach-netlogic/multi-node.h> -#ifdef CONFIG_SMP -#define topology_physical_package_id(cpu) cpu_to_node(cpu) -#define topology_core_id(cpu) (cpu_logical_map(cpu) / NLM_THREADS_PER_CORE) -#define topology_thread_cpumask(cpu) (&cpu_sibling_map[cpu]) -#define topology_core_cpumask(cpu) cpumask_of_node(cpu_to_node(cpu)) -#endif - #include <asm-generic/topology.h> #endif /* _ASM_MACH_NETLOGIC_TOPOLOGY_H */ diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index 5699ec3a71af..3be81803595d 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -37,7 +37,7 @@ /* * This is used for calculating the real page sizes - * for FTLB or VTLB + FTLB confugrations. + * for FTLB or VTLB + FTLB configurations. */ static inline unsigned int page_size_ftlb(unsigned int mmuextdef) { @@ -223,7 +223,8 @@ static inline int pfn_valid(unsigned long pfn) #endif -#define virt_to_page(kaddr) pfn_to_page(PFN_DOWN(virt_to_phys(kaddr))) +#define virt_to_page(kaddr) pfn_to_page(PFN_DOWN(virt_to_phys((void *) \ + (kaddr)))) extern int __virt_addr_valid(const volatile void *kaddr); #define virt_addr_valid(kaddr) \ diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 027c74db13f9..df49a308085c 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -122,6 +122,9 @@ do { \ } \ } while(0) +extern void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, + pte_t pteval); + #if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) #define pte_none(pte) (!(((pte).pte_low | (pte).pte_high) & ~_PAGE_GLOBAL)) @@ -145,7 +148,6 @@ static inline void set_pte(pte_t *ptep, pte_t pte) } } } -#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) { @@ -183,7 +185,6 @@ static inline void set_pte(pte_t *ptep, pte_t pteval) } #endif } -#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) { @@ -390,15 +391,12 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) extern void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte); -extern void __update_cache(struct vm_area_struct *vma, unsigned long address, - pte_t pte); static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { pte_t pte = *ptep; __update_tlb(vma, address, pte); - __update_cache(vma, address, pte); } static inline void update_mmu_cache_pmd(struct vm_area_struct *vma, diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h index 1e0f20a9cdda..eacf865d21c2 100644 --- a/arch/mips/include/asm/smp.h +++ b/arch/mips/include/asm/smp.h @@ -37,11 +37,6 @@ extern int __cpu_logical_map[NR_CPUS]; #define NO_PROC_ID (-1) -#define topology_physical_package_id(cpu) (cpu_data[cpu].package) -#define topology_core_id(cpu) (cpu_data[cpu].core) -#define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) -#define topology_thread_cpumask(cpu) (&cpu_sibling_map[cpu]) - #define SMP_RESCHEDULE_YOURSELF 0x1 /* XXX braindead */ #define SMP_CALL_FUNCTION 0x2 /* Octeon - Tell another core to flush its icache */ diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h index 495c1041a2cc..b928b6f898cd 100644 --- a/arch/mips/include/asm/switch_to.h +++ b/arch/mips/include/asm/switch_to.h @@ -92,7 +92,7 @@ do { \ KSTK_STATUS(prev) &= ~ST0_CU2; \ __c0_stat = read_c0_status(); \ write_c0_status(__c0_stat | ST0_CU2); \ - cop2_save(&prev->thread.cp2); \ + cop2_save(prev); \ write_c0_status(__c0_stat & ~ST0_CU2); \ } \ __clear_software_ll_bit(); \ @@ -111,7 +111,7 @@ do { \ (KSTK_STATUS(current) & ST0_CU2)) { \ __c0_stat = read_c0_status(); \ write_c0_status(__c0_stat | ST0_CU2); \ - cop2_restore(¤t->thread.cp2); \ + cop2_restore(current); \ write_c0_status(__c0_stat & ~ST0_CU2); \ } \ if (cpu_has_dsp) \ diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h index 17960fe7a8ce..cdf68b33bd65 100644 --- a/arch/mips/include/asm/syscall.h +++ b/arch/mips/include/asm/syscall.h @@ -131,10 +131,12 @@ static inline int syscall_get_arch(void) { int arch = EM_MIPS; #ifdef CONFIG_64BIT - if (!test_thread_flag(TIF_32BIT_REGS)) + if (!test_thread_flag(TIF_32BIT_REGS)) { arch |= __AUDIT_ARCH_64BIT; - if (test_thread_flag(TIF_32BIT_ADDR)) - arch |= __AUDIT_ARCH_CONVENTION_MIPS64_N32; + /* N32 sets only TIF_32BIT_ADDR */ + if (test_thread_flag(TIF_32BIT_ADDR)) + arch |= __AUDIT_ARCH_CONVENTION_MIPS64_N32; + } #endif #if defined(__LITTLE_ENDIAN) arch |= __AUDIT_ARCH_LE; diff --git a/arch/mips/include/asm/topology.h b/arch/mips/include/asm/topology.h index 20ea4859c822..3e307ec2afba 100644 --- a/arch/mips/include/asm/topology.h +++ b/arch/mips/include/asm/topology.h @@ -9,5 +9,13 @@ #define __ASM_TOPOLOGY_H #include <topology.h> +#include <linux/smp.h> + +#ifdef CONFIG_SMP +#define topology_physical_package_id(cpu) (cpu_data[cpu].package) +#define topology_core_id(cpu) (cpu_data[cpu].core) +#define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) +#define topology_thread_cpumask(cpu) (&cpu_sibling_map[cpu]) +#endif #endif /* __ASM_TOPOLOGY_H */ diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h index 9bc13eaf9d67..fdb4923777d1 100644 --- a/arch/mips/include/uapi/asm/unistd.h +++ b/arch/mips/include/uapi/asm/unistd.h @@ -373,16 +373,18 @@ #define __NR_sched_getattr (__NR_Linux + 350) #define __NR_renameat2 (__NR_Linux + 351) #define __NR_seccomp (__NR_Linux + 352) +#define __NR_getrandom (__NR_Linux + 353) +#define __NR_memfd_create (__NR_Linux + 354) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 352 +#define __NR_Linux_syscalls 354 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 352 +#define __NR_O32_Linux_syscalls 354 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -703,16 +705,18 @@ #define __NR_sched_getattr (__NR_Linux + 310) #define __NR_renameat2 (__NR_Linux + 311) #define __NR_seccomp (__NR_Linux + 312) +#define __NR_getrandom (__NR_Linux + 313) +#define __NR_memfd_create (__NR_Linux + 314) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 312 +#define __NR_Linux_syscalls 314 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 312 +#define __NR_64_Linux_syscalls 314 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -1037,15 +1041,17 @@ #define __NR_sched_getattr (__NR_Linux + 314) #define __NR_renameat2 (__NR_Linux + 315) #define __NR_seccomp (__NR_Linux + 316) +#define __NR_getrandom (__NR_Linux + 317) +#define __NR_memfd_create (__NR_Linux + 318) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 316 +#define __NR_Linux_syscalls 318 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 316 +#define __NR_N32_Linux_syscalls 318 #endif /* _UAPI_ASM_UNISTD_H */ diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S index 6f4f739dad96..e6e97d2a5c9e 100644 --- a/arch/mips/kernel/cps-vec.S +++ b/arch/mips/kernel/cps-vec.S @@ -13,6 +13,7 @@ #include <asm/asm-offsets.h> #include <asm/asmmacro.h> #include <asm/cacheops.h> +#include <asm/eva.h> #include <asm/mipsregs.h> #include <asm/mipsmtregs.h> #include <asm/pm.h> @@ -166,6 +167,9 @@ dcache_done: 1: jal mips_cps_core_init nop + /* Do any EVA initialization if necessary */ + eva_init + /* * Boot any other VPEs within this core that should be online, and * deactivate this VPE if it should be offline. diff --git a/arch/mips/kernel/machine_kexec.c b/arch/mips/kernel/machine_kexec.c index 992e18474da5..50980bf3983e 100644 --- a/arch/mips/kernel/machine_kexec.c +++ b/arch/mips/kernel/machine_kexec.c @@ -71,8 +71,12 @@ machine_kexec(struct kimage *image) kexec_start_address = (unsigned long) phys_to_virt(image->start); - kexec_indirection_page = - (unsigned long) phys_to_virt(image->head & PAGE_MASK); + if (image->type == KEXEC_TYPE_DEFAULT) { + kexec_indirection_page = + (unsigned long) phys_to_virt(image->head & PAGE_MASK); + } else { + kexec_indirection_page = (unsigned long)&image->head; + } memcpy((void*)reboot_code_buffer, relocate_new_kernel, relocate_new_kernel_size); diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index 14bf74b0f51c..b63f2482f288 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -558,7 +558,7 @@ static int mipspmu_get_irq(void) if (mipspmu.irq >= 0) { /* Request my own irq handler. */ err = request_irq(mipspmu.irq, mipsxx_pmu_handle_irq, - IRQF_PERCPU | IRQF_NOBALANCING, + IRQF_PERCPU | IRQF_NOBALANCING | IRQF_NO_THREAD, "mips_perf_pmu", NULL); if (err) { pr_warning("Unable to request IRQ%d for MIPS " diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index f93b4cbec739..744cd10ba599 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -577,3 +577,5 @@ EXPORT(sys_call_table) PTR sys_sched_getattr /* 4350 */ PTR sys_renameat2 PTR sys_seccomp + PTR sys_getrandom + PTR sys_memfd_create diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index 03ebd9979ad2..002b1bc09c38 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -432,4 +432,6 @@ EXPORT(sys_call_table) PTR sys_sched_getattr /* 5310 */ PTR sys_renameat2 PTR sys_seccomp + PTR sys_getrandom + PTR sys_memfd_create .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index ebc9228e2e15..ca6cbbe9805b 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -425,4 +425,6 @@ EXPORT(sysn32_call_table) PTR sys_sched_getattr PTR sys_renameat2 /* 6315 */ PTR sys_seccomp + PTR sys_getrandom + PTR sys_memfd_create .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 13b964fddc4a..9e10d11fbb84 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -113,15 +113,19 @@ trace_a_syscall: move s0, t2 # Save syscall pointer move a0, sp /* - * syscall number is in v0 unless we called syscall(__NR_###) + * absolute syscall number is in v0 unless we called syscall(__NR_###) * where the real syscall number is in a0 * note: NR_syscall is the first O32 syscall but the macro is * only defined when compiling with -mabi=32 (CONFIG_32BIT) * therefore __NR_O32_Linux is used (4000) */ - addiu a1, v0, __NR_O32_Linux - bnez v0, 1f /* __NR_syscall at offset 0 */ - lw a1, PT_R4(sp) + .set push + .set reorder + subu t1, v0, __NR_O32_Linux + move a1, v0 + bnez t1, 1f /* __NR_syscall at offset 0 */ + lw a1, PT_R4(sp) /* Arg1 for __NR_syscall case * |