diff options
Diffstat (limited to 'arch/arm/include')
-rw-r--r-- | arch/arm/include/asm/assembler.h | 8 | ||||
-rw-r--r-- | arch/arm/include/asm/flat.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/hardware/vic.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/io.h | 4 | ||||
-rw-r--r-- | arch/arm/include/asm/mach/serial_at91.h | 33 | ||||
-rw-r--r-- | arch/arm/include/asm/mach/serial_sa1100.h | 31 | ||||
-rw-r--r-- | arch/arm/include/asm/mach/udc_pxa2xx.h | 26 | ||||
-rw-r--r-- | arch/arm/include/asm/sched_clock.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/smp.h | 1 | ||||
-rw-r--r-- | arch/arm/include/asm/syscall.h | 9 | ||||
-rw-r--r-- | arch/arm/include/asm/thread_info.h | 7 | ||||
-rw-r--r-- | arch/arm/include/asm/uaccess.h | 4 | ||||
-rw-r--r-- | arch/arm/include/asm/vfpmacros.h | 12 | ||||
-rw-r--r-- | arch/arm/include/asm/xen/interface.h | 12 | ||||
-rw-r--r-- | arch/arm/include/asm/xen/page.h | 13 | ||||
-rw-r--r-- | arch/arm/include/debug/8250_32.S | 27 | ||||
-rw-r--r-- | arch/arm/include/debug/picoxcell.S | 18 | ||||
-rw-r--r-- | arch/arm/include/debug/socfpga.S | 5 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/hwcap.h | 3 |
19 files changed, 88 insertions, 131 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index 2ef95813fce..eb87200aa4b 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -250,6 +250,7 @@ * Beware, it also clobers LR. */ .macro safe_svcmode_maskall reg:req +#if __LINUX_ARM_ARCH__ >= 6 mrs \reg , cpsr mov lr , \reg and lr , lr , #MODE_MASK @@ -266,6 +267,13 @@ THUMB( orr \reg , \reg , #PSR_T_BIT ) __ERET 1: msr cpsr_c, \reg 2: +#else +/* + * workaround for possibly broken pre-v6 hardware + * (akita, Sharp Zaurus C-1000, PXA270-based) + */ + setmode PSR_F_BIT | PSR_I_BIT | SVC_MODE, \reg +#endif .endm /* diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h index 59426a4595c..e847d23351e 100644 --- a/arch/arm/include/asm/flat.h +++ b/arch/arm/include/asm/flat.h @@ -8,7 +8,7 @@ #define flat_argvp_envp_on_stack() 1 #define flat_old_ram_flag(flags) (flags) #define flat_reloc_valid(reloc, size) ((reloc) <= (size)) -#define flat_get_addr_from_rp(rp, relval, flags, persistent) get_unaligned(rp) +#define flat_get_addr_from_rp(rp, relval, flags, persistent) ((void)persistent,get_unaligned(rp)) #define flat_put_addr_at_rp(rp, val, relval) put_unaligned(val,rp) #define flat_get_relocate_addr(rel) (rel) #define flat_set_persistent(relval, p) 0 diff --git a/arch/arm/include/asm/hardware/vic.h b/arch/arm/include/asm/hardware/vic.h index e14af1a1a32..2bebad36fc8 100644 --- a/arch/arm/include/asm/hardware/vic.h +++ b/arch/arm/include/asm/hardware/vic.h @@ -47,7 +47,7 @@ struct device_node; struct pt_regs; -void __vic_init(void __iomem *base, unsigned int irq_start, u32 vic_sources, +void __vic_init(void __iomem *base, int irq_start, u32 vic_sources, u32 resume_sources, struct device_node *node); void vic_init(void __iomem *base, unsigned int irq_start, u32 vic_sources, u32 resume_sources); int vic_of_init(struct device_node *node, struct device_node *parent); diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 35c1ed89b93..42f042ee4ad 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -64,7 +64,7 @@ extern void __raw_readsl(const void __iomem *addr, void *data, int longlen); static inline void __raw_writew(u16 val, volatile void __iomem *addr) { asm volatile("strh %1, %0" - : "+Qo" (*(volatile u16 __force *)addr) + : "+Q" (*(volatile u16 __force *)addr) : "r" (val)); } @@ -72,7 +72,7 @@ static inline u16 __raw_readw(const volatile void __iomem *addr) { u16 val; asm volatile("ldrh %1, %0" - : "+Qo" (*(volatile u16 __force *)addr), + : "+Q" (*(volatile u16 __force *)addr), "=r" (val)); return val; } diff --git a/arch/arm/include/asm/mach/serial_at91.h b/arch/arm/include/asm/mach/serial_at91.h deleted file mode 100644 index ea6d063923b..00000000000 --- a/arch/arm/include/asm/mach/serial_at91.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * arch/arm/include/asm/mach/serial_at91.h - * - * Based on serial_sa1100.h by Nicolas Pitre - * - * Copyright (C) 2002 ATMEL Rousset - * - * Low level machine dependent UART functions. - */ - -struct uart_port; - -/* - * This is a temporary structure for registering these - * functions; it is intended to be discarded after boot. - */ -struct atmel_port_fns { - void (*set_mctrl)(struct uart_port *, u_int); - u_int (*get_mctrl)(struct uart_port *); - void (*enable_ms)(struct uart_port *); - void (*pm)(struct uart_port *, u_int, u_int); - int (*set_wake)(struct uart_port *, u_int); - int (*open)(struct uart_port *); - void (*close)(struct uart_port *); -}; - -#if defined(CONFIG_SERIAL_ATMEL) -void atmel_register_uart_fns(struct atmel_port_fns *fns); -#else -#define atmel_register_uart_fns(fns) do { } while (0) -#endif - - diff --git a/arch/arm/include/asm/mach/serial_sa1100.h b/arch/arm/include/asm/mach/serial_sa1100.h deleted file mode 100644 index d09064bf95a..00000000000 --- a/arch/arm/include/asm/mach/serial_sa1100.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * arch/arm/include/asm/mach/serial_sa1100.h - * - * Author: Nicolas Pitre - * - * Moved and changed lots, Russell King - * - * Low level machine dependent UART functions. - */ - -struct uart_port; -struct uart_info; - -/* - * This is a temporary structure for registering these - * functions; it is intended to be discarded after boot. - */ -struct sa1100_port_fns { - void (*set_mctrl)(struct uart_port *, u_int); - u_int (*get_mctrl)(struct uart_port *); - void (*pm)(struct uart_port *, u_int, u_int); - int (*set_wake)(struct uart_port *, u_int); -}; - -#ifdef CONFIG_SERIAL_SA1100 -void sa1100_register_uart_fns(struct sa1100_port_fns *fns); -void sa1100_register_uart(int idx, int port); -#else -#define sa1100_register_uart_fns(fns) do { } while (0) -#define sa1100_register_uart(idx,port) do { } while (0) -#endif diff --git a/arch/arm/include/asm/mach/udc_pxa2xx.h b/arch/arm/include/asm/mach/udc_pxa2xx.h deleted file mode 100644 index ea297ac70bc..00000000000 --- a/arch/arm/include/asm/mach/udc_pxa2xx.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * arch/arm/include/asm/mach/udc_pxa2xx.h - * - * This supports machine-specific differences in how the PXA2xx - * USB Device Controller (UDC) is wired. - * - * It is set in linux/arch/arm/mach-pxa/<machine>.c or in - * linux/arch/mach-ixp4xx/<machine>.c and used in - * the probe routine of linux/drivers/usb/gadget/pxa2xx_udc.c - */ - -struct pxa2xx_udc_mach_info { - int (*udc_is_connected)(void); /* do we see host? */ - void (*udc_command)(int cmd); -#define PXA2XX_UDC_CMD_CONNECT 0 /* let host see us */ -#define PXA2XX_UDC_CMD_DISCONNECT 1 /* so host won't see us */ - - /* Boards following the design guidelines in the developer's manual, - * with on-chip GPIOs not Lubbock's weird hardware, can have a sane - * VBUS IRQ and omit the methods above. Store the GPIO number - * here. Note that sometimes the signals go through inverters... - */ - bool gpio_pullup_inverted; - int gpio_pullup; /* high == pullup activated */ -}; - diff --git a/arch/arm/include/asm/sched_clock.h b/arch/arm/include/asm/sched_clock.h index 05b8e82ec9f..e3f75726343 100644 --- a/arch/arm/include/asm/sched_clock.h +++ b/arch/arm/include/asm/sched_clock.h @@ -10,7 +10,5 @@ extern void sched_clock_postinit(void); extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate); -extern void setup_sched_clock_needs_suspend(u32 (*read)(void), int bits, - unsigned long rate); #endif diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h index 2e3be16c676..d3a22bebe6c 100644 --- a/arch/arm/include/asm/smp.h +++ b/arch/arm/include/asm/smp.h @@ -79,6 +79,7 @@ extern void cpu_die(void); extern void arch_send_call_function_single_ipi(int cpu); extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); +extern void arch_send_wakeup_ipi_mask(const struct cpumask *mask); struct smp_operations { #ifdef CONFIG_SMP diff --git a/arch/arm/include/asm/syscall.h b/arch/arm/include/asm/syscall.h index 9fdded6b108..f1d96d4e809 100644 --- a/arch/arm/include/asm/syscall.h +++ b/arch/arm/include/asm/syscall.h @@ -7,6 +7,8 @@ #ifndef _ASM_ARM_SYSCALL_H #define _ASM_ARM_SYSCALL_H +#include <linux/audit.h> /* for AUDIT_ARCH_* */ +#include <linux/elf.h> /* for ELF_EM */ #include <linux/err.h> #include <linux/sched.h> @@ -95,4 +97,11 @@ static inline void syscall_set_arguments(struct task_struct *task, memcpy(®s->ARM_r0 + i, args, n * sizeof(args[0])); } +static inline int syscall_get_arch(struct task_struct *task, + struct pt_regs *regs) +{ + /* ARM tasks don't change audit architectures on the fly. */ + return AUDIT_ARCH_ARM; +} + #endif /* _ASM_ARM_SYSCALL_H */ diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h index 8477b4c1d39..cddda1f41f0 100644 --- a/arch/arm/include/asm/thread_info.h +++ b/arch/arm/include/asm/thread_info.h @@ -151,10 +151,10 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, #define TIF_SYSCALL_TRACE 8 #define TIF_SYSCALL_AUDIT 9 #define TIF_SYSCALL_TRACEPOINT 10 +#define TIF_SECCOMP 11 /* seccomp syscall filtering active */ #define TIF_USING_IWMMXT 17 #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 20 -#define TIF_SECCOMP 21 #define TIF_SWITCH_MM 22 /* deferred switch_mm */ #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) @@ -163,11 +163,12 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) -#define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) +#define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT) /* Checks for any syscall work in entry-common.S */ -#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT) +#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ + _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP) /* * Change these and you break ASM code in entry-common.S diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index 77bd79f2ffd..7e1f76027f6 100644 --- a/arch/arm/include/asm/uaccess.h +++ b/arch/arm/include/asm/uaccess.h @@ -200,8 +200,8 @@ extern int __put_user_8(void *, unsigned long long); #define USER_DS KERNEL_DS #define segment_eq(a,b) (1) -#define __addr_ok(addr) (1) -#define __range_ok(addr,size) (0) +#define __addr_ok(addr) ((void)(addr),1) +#define __range_ok(addr,size) ((void)(addr),0) #define get_fs() (KERNEL_DS) static inline void set_fs(mm_segment_t fs) diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h index 6a6f1e485f4..301c1db3e99 100644 --- a/arch/arm/include/asm/vfpmacros.h +++ b/arch/arm/include/asm/vfpmacros.h @@ -27,9 +27,9 @@ #if __LINUX_ARM_ARCH__ <= 6 ldr \tmp, =elf_hwcap @ may not have MVFR regs ldr \tmp, [\tmp, #0] - tst \tmp, #HWCAP_VFPv3D16 - ldceql p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31} - addne \base, \base, #32*4 @ step over unused register space + tst \tmp, #HWCAP_VFPD32 + ldcnel p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31} + addeq \base, \base, #32*4 @ step over unused register space #else VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0 and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field @@ -51,9 +51,9 @@ #if __LINUX_ARM_ARCH__ <= 6 ldr \tmp, =elf_hwcap @ may not have MVFR regs ldr \tmp, [\tmp, #0] - tst \tmp, #HWCAP_VFPv3D16 - stceql p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31} - addne \base, \base, #32*4 @ step over unused register space + tst \tmp, #HWCAP_VFPD32 + stcnel p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31} + addeq \base, \base, #32*4 @ step over unused register space #else VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0 and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field diff --git a/arch/arm/include/asm/xen/interface.h b/arch/arm/include/asm/xen/interface.h index ae05e56dd17..5000397134b 100644 --- a/arch/arm/include/asm/xen/interface.h +++ b/arch/arm/include/asm/xen/interface.h @@ -29,16 +29,22 @@ #ifndef __ASSEMBLY__ /* Explicitly size integers that represent pfns in the interface with - * Xen so that we can have one ABI that works for 32 and 64 bit guests. */ + * Xen so that we can have one ABI that works for 32 and 64 bit guests. + * Note that this means that the xen_pfn_t type may be capable of + * representing pfn's which the guest cannot represent in its own pfn + * type. However since pfn space is controlled by the guest this is + * fine since it simply wouldn't be able to create any sure pfns in + * the first place. + */ typedef uint64_t xen_pfn_t; +#define PRI_xen_pfn "llx" typedef uint64_t xen_ulong_t; +#define PRI_xen_ulong "llx" /* Guest handles for primitive C types. */ __DEFINE_GUEST_HANDLE(uchar, unsigned char); __DEFINE_GUEST_HANDLE(uint, unsigned int); -__DEFINE_GUEST_HANDLE(ulong, unsigned long); DEFINE_GUEST_HANDLE(char); DEFINE_GUEST_HANDLE(int); -DEFINE_GUEST_HANDLE(long); DEFINE_GUEST_HANDLE(void); DEFINE_GUEST_HANDLE(uint64_t); DEFINE_GUEST_HANDLE(uint32_t); diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h index 174202318df..c6b9096cef9 100644 --- a/arch/arm/include/asm/xen/page.h +++ b/arch/arm/include/asm/xen/page.h @@ -10,7 +10,7 @@ #include <xen/interface/grant_table.h> #define pfn_to_mfn(pfn) (pfn) -#define phys_to_machine_mapping_valid (1) +#define phys_to_machine_mapping_valid(pfn) (1) #define mfn_to_pfn(mfn) (mfn) #define mfn_to_virt(m) (__va(mfn_to_pfn(m) << PAGE_SHIFT)) @@ -30,6 +30,8 @@ typedef struct xpaddr { #define XMADDR(x) ((xmaddr_t) { .maddr = (x) }) #define XPADDR(x) ((xpaddr_t) { .paddr = (x) }) +#define INVALID_P2M_ENTRY (~0UL) + static inline xmaddr_t phys_to_machine(xpaddr_t phys) { unsigned offset = phys.paddr & ~PAGE_MASK; @@ -74,9 +76,14 @@ static inline int m2p_remove_override(struct page *page, bool clear_pte) return 0; } +static inline bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn) +{ + BUG_ON(pfn != mfn && mfn != INVALID_P2M_ENTRY); + return true; +} + static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn) { - BUG(); - return false; + return __set_phys_to_machine(pfn, mfn); } #endif /* _ASM_ARM_XEN_PAGE_H */ diff --git a/arch/arm/include/debug/8250_32.S b/arch/arm/include/debug/8250_32.S new file mode 100644 index 00000000000..8db01eeabbb --- /dev/null +++ b/arch/arm/include/debug/8250_32.S @@ -0,0 +1,27 @@ +/* + * Copyright (c) 2011 Picochip Ltd., Jamie Iles + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Derived from arch/arm/mach-davinci/include/mach/debug-macro.S to use 32-bit + * accesses to the 8250. + */ + +#include <linux/serial_reg.h> + + .macro senduart,rd,rx + str \rd, [\rx, #UART_TX << UART_SHIFT] + .endm + + .macro busyuart,rd,rx +1002: ldr \rd, [\rx, #UART_LSR << UART_SHIFT] + and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE + teq \rd, #UART_LSR_TEMT | UART_LSR_THRE + bne 1002b + .endm + + /* The UART's don't have any flow control IO's wired up. */ + .macro waituart,rd,rx + .endm diff --git a/arch/arm/include/debug/picoxcell.S b/arch/arm/include/debug/picoxcell.S index 7419deb1b94..bc1f07c49cd 100644 --- a/arch/arm/include/debug/picoxcell.S +++ b/arch/arm/include/debug/picoxcell.S @@ -5,10 +5,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * - * Derived from arch/arm/mach-davinci/include/mach/debug-macro.S to use 32-bit - * accesses to the 8250. */ -#include <linux/serial_reg.h> #define UART_SHIFT 2 #define PICOXCELL_UART1_BASE 0x80230000 @@ -19,17 +16,4 @@ ldr \rp, =PICOXCELL_UART1_BASE .endm - .macro senduart,rd,rx - str \rd, [\rx, #UART_TX << UART_SHIFT] - .endm - - .macro busyuart,rd,rx -1002: ldr \rd, [\rx, #UART_LSR << UART_SHIFT] - and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE - teq \rd, #UART_LSR_TEMT | UART_LSR_THRE - bne 1002b - .endm - - /* The UART's don't have any flow control IO's wired up. */ - .macro waituart,rd,rx - .endm +#include "8250_32.S" diff --git a/arch/arm/include/debug/socfpga.S b/arch/arm/include/debug/socfpga.S index d6f26d23374..966b2f99494 100644 --- a/arch/arm/include/debug/socfpga.S +++ b/arch/arm/include/debug/socfpga.S @@ -7,6 +7,9 @@ * published by the Free Software Foundation. */ +#define UART_SHIFT 2 +#define DEBUG_LL_UART_OFFSET 0x00002000 + .macro addruart, rp, rv, tmp mov \rp, #DEBUG_LL_UART_OFFSET orr \rp, \rp, #0x00c00000 @@ -14,3 +17,5 @@ orr \rp, \rp, #0xff000000 @ physical base .endm +#include "8250_32.S" + diff --git a/arch/arm/include/uapi/asm/hwcap.h b/arch/arm/include/uapi/asm/hwcap.h index f254f6503cc..3688fd15a32 100644 --- a/arch/arm/include/uapi/asm/hwcap.h +++ b/arch/arm/include/uapi/asm/hwcap.h @@ -18,11 +18,12 @@ #define HWCAP_THUMBEE (1 << 11) #define HWCAP_NEON (1 << 12) #define HWCAP_VFPv3 (1 << 13) -#define HWCAP_VFPv3D16 (1 << 14) +#define HWCAP_VFPv3D16 (1 << 14) /* also set for VFPv4-D16 */ #define HWCAP_TLS (1 << 15) #define HWCAP_VFPv4 (1 << 16) #define HWCAP_IDIVA (1 << 17) #define HWCAP_IDIVT (1 << 18) +#define HWCAP_VFPD32 (1 << 19) /* set if VFP has 32 regs (not 16) */ #define HWCAP_IDIV (HWCAP_IDIVA | HWCAP_IDIVT) |