diff options
Diffstat (limited to 'arch/nios2')
| -rw-r--r-- | arch/nios2/Kconfig | 5 | ||||
| -rw-r--r-- | arch/nios2/include/asm/Kbuild | 2 | ||||
| -rw-r--r-- | arch/nios2/include/asm/syscall.h | 88 | ||||
| -rw-r--r-- | arch/nios2/include/asm/tlb.h | 14 | ||||
| -rw-r--r-- | arch/nios2/include/uapi/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/nios2/mm/init.c | 12 |
6 files changed, 24 insertions, 98 deletions
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig index 4ef15a61b7bc..26a9c760a98b 100644 --- a/arch/nios2/Kconfig +++ b/arch/nios2/Kconfig @@ -23,7 +23,7 @@ config NIOS2 select SPARSE_IRQ select USB_ARCH_HAS_HCD if USB_SUPPORT select CPU_NO_EFFICIENT_FFS - select ARCH_DISCARD_MEMBLOCK + select MMU_GATHER_NO_RANGE if MMU config GENERIC_CSUM def_bool y @@ -40,9 +40,6 @@ config NO_IOPORT_MAP config FPU def_bool n -config RWSEM_GENERIC_SPINLOCK - def_bool y - config TRACE_IRQFLAGS_SUPPORT def_bool n diff --git a/arch/nios2/include/asm/Kbuild b/arch/nios2/include/asm/Kbuild index 0b982dc585ff..a8ffdd007f6c 100644 --- a/arch/nios2/include/asm/Kbuild +++ b/arch/nios2/include/asm/Kbuild @@ -23,9 +23,11 @@ generic-y += irq_work.h generic-y += kdebug.h generic-y += kmap_types.h generic-y += kprobes.h +generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h generic-y += mm-arch-hooks.h +generic-y += mmiowb.h generic-y += module.h generic-y += pci.h generic-y += percpu.h diff --git a/arch/nios2/include/asm/syscall.h b/arch/nios2/include/asm/syscall.h index 9de220854c4a..c4f3f8b86f28 100644 --- a/arch/nios2/include/asm/syscall.h +++ b/arch/nios2/include/asm/syscall.h @@ -17,6 +17,7 @@ #ifndef __ASM_NIOS2_SYSCALL_H__ #define __ASM_NIOS2_SYSCALL_H__ +#include <uapi/linux/audit.h> #include <linux/err.h> #include <linux/sched.h> @@ -58,81 +59,30 @@ static inline void syscall_set_return_value(struct task_struct *task, } static inline void syscall_get_arguments(struct task_struct *task, - struct pt_regs *regs, unsigned int i, unsigned int n, - unsigned long *args) + struct pt_regs *regs, unsigned long *args) { - BUG_ON(i + n > 6); - - switch (i) { - case 0: - if (!n--) - break; - *args++ = regs->r4; - case 1: - if (!n--) - break; - *args++ = regs->r5; - case 2: - if (!n--) - break; - *args++ = regs->r6; - case 3: - if (!n--) - break; - *args++ = regs->r7; - case 4: - if (!n--) - break; - *args++ = regs->r8; - case 5: - if (!n--) - break; - *args++ = regs->r9; - case 6: - if (!n--) - break; - default: - BUG(); - } + *args++ = regs->r4; + *args++ = regs->r5; + *args++ = regs->r6; + *args++ = regs->r7; + *args++ = regs->r8; + *args = regs->r9; } static inline void syscall_set_arguments(struct task_struct *task, - struct pt_regs *regs, unsigned int i, unsigned int n, - const unsigned long *args) + struct pt_regs *regs, const unsigned long *args) { - BUG_ON(i + n > 6); + regs->r4 = *args++; + regs->r5 = *args++; + regs->r6 = *args++; + regs->r7 = *args++; + regs->r8 = *args++; + regs->r9 = *args; +} - switch (i) { - case 0: - if (!n--) - break; - regs->r4 = *args++; - case 1: - if (!n--) - break; - regs->r5 = *args++; - case 2: - if (!n--) - break; - regs->r6 = *args++; - case 3: - if (!n--) - break; - regs->r7 = *args++; - case 4: - if (!n--) - break; - regs->r8 = *args++; - case 5: - if (!n--) - break; - regs->r9 = *args++; - case 6: - if (!n) - break; - default: - BUG(); - } +static inline int syscall_get_arch(struct task_struct *task) +{ + return AUDIT_ARCH_NIOS2; } #endif diff --git a/arch/nios2/include/asm/tlb.h b/arch/nios2/include/asm/tlb.h index d3bc648e08b5..f9f2e27e32dd 100644 --- a/arch/nios2/include/asm/tlb.h +++ b/arch/nios2/include/asm/tlb.h @@ -11,22 +11,12 @@ #ifndef _ASM_NIOS2_TLB_H #define _ASM_NIOS2_TLB_H -#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) - extern void set_mmu_pid(unsigned long pid); /* - * NiosII doesn't need any special per-pte or per-vma handling, except - * we need to flush cache for the area to be unmapped. + * NIOS32 does have flush_tlb_range(), but it lacks a limit and fallback to + * full mm invalidation. So use flush_tlb_mm() for everything. */ -#define tlb_start_vma(tlb, vma) \ - do { \ - if (!tlb->fullmm) \ - flush_cache_range(vma, vma->vm_start, vma->vm_end); \ - } while (0) - -#define tlb_end_vma(tlb, vma) do { } while (0) -#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) #include <linux/pagemap.h> #include <asm-generic/tlb.h> diff --git a/arch/nios2/include/uapi/asm/Kbuild b/arch/nios2/include/uapi/asm/Kbuild index 755bb11323d8..1c72f04ff75d 100644 --- a/arch/nios2/include/uapi/asm/Kbuild +++ b/arch/nios2/include/uapi/asm/Kbuild @@ -1,2 +1 @@ -generic-y += kvm_para.h generic-y += ucontext.h diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c index 16cea5776b87..2c609c2516b2 100644 --- a/arch/nios2/mm/init.c +++ b/arch/nios2/mm/init.c @@ -82,18 +82,6 @@ void __init mmu_init(void) flush_tlb_all(); } -#ifdef CONFIG_BLK_DEV_INITRD -void __init free_initrd_mem(unsigned long start, unsigned long end) -{ - free_reserved_area((void *)start, (void *)end, -1, "initrd"); -} -#endif - -void __ref free_initmem(void) -{ - free_initmem_default(-1); -} - #define __page_aligned(order) __aligned(PAGE_SIZE << (order)) pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER); pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER); |