1. ./genfilelist.pl arch/arc/include/asm/ 2. Create arch/arc/include/uapi/asm/Kbuild as follows +# UAPI Header export list +include include/uapi/asm-generic/Kbuild.asm 3. ./disintegrate-one.pl arch/arc/include/{,uapi/}asm/<above-list> 4. Edit arch/arc/include/asm/Kbuild to remove ref to asm-generic/Kbuild.asm To work around empty uapi/asm/setup.h added a placholder comment. Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx> Cc: David Howells <dhowells@xxxxxxxxxx> --- arch/arc/include/asm/Kbuild | 8 --- arch/arc/include/asm/byteorder.h | 18 ------ arch/arc/include/asm/cachectl.h | 28 --------- arch/arc/include/asm/page.h | 30 +--------- arch/arc/include/asm/ptrace.h | 37 +----------- arch/arc/include/asm/setup.h | 3 +- arch/arc/include/asm/sigcontext.h | 23 -------- arch/arc/include/asm/signal.h | 27 --------- arch/arc/include/asm/swab.h | 98 -------------------------------- arch/arc/include/asm/unistd.h | 34 ----------- arch/arc/include/uapi/asm/Kbuild | 11 ++++ arch/arc/include/uapi/asm/byteorder.h | 18 ++++++ arch/arc/include/uapi/asm/cachectl.h | 28 +++++++++ arch/arc/include/uapi/asm/page.h | 39 +++++++++++++ arch/arc/include/uapi/asm/ptrace.h | 46 +++++++++++++++ arch/arc/include/uapi/asm/setup.h | 6 ++ arch/arc/include/uapi/asm/sigcontext.h | 23 ++++++++ arch/arc/include/uapi/asm/signal.h | 27 +++++++++ arch/arc/include/uapi/asm/swab.h | 98 ++++++++++++++++++++++++++++++++ arch/arc/include/uapi/asm/unistd.h | 34 +++++++++++ 20 files changed, 335 insertions(+), 301 deletions(-) delete mode 100644 arch/arc/include/asm/byteorder.h delete mode 100644 arch/arc/include/asm/cachectl.h delete mode 100644 arch/arc/include/asm/sigcontext.h delete mode 100644 arch/arc/include/asm/signal.h delete mode 100644 arch/arc/include/asm/swab.h delete mode 100644 arch/arc/include/asm/unistd.h create mode 100644 arch/arc/include/uapi/asm/Kbuild create mode 100644 arch/arc/include/uapi/asm/byteorder.h create mode 100644 arch/arc/include/uapi/asm/cachectl.h create mode 100644 arch/arc/include/uapi/asm/page.h create mode 100644 arch/arc/include/uapi/asm/ptrace.h create mode 100644 arch/arc/include/uapi/asm/setup.h create mode 100644 arch/arc/include/uapi/asm/sigcontext.h create mode 100644 arch/arc/include/uapi/asm/signal.h create mode 100644 arch/arc/include/uapi/asm/swab.h create mode 100644 arch/arc/include/uapi/asm/unistd.h diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild index b24089c..48af742 100644 --- a/arch/arc/include/asm/Kbuild +++ b/arch/arc/include/asm/Kbuild @@ -1,11 +1,3 @@ -include include/asm-generic/Kbuild.asm - -# 7-Oct-12: Jeremy Bennett <jeremy.bennett@xxxxxxxxxxxx>. Some of these -# headers, beyond those specified in the generic set are needed by user code. - -header-y += page.h -header-y += cachectl.h - generic-y += auxvec.h generic-y += bugs.h generic-y += bitsperlong.h diff --git a/arch/arc/include/asm/byteorder.h b/arch/arc/include/asm/byteorder.h deleted file mode 100644 index 9da71d4..0000000 --- a/arch/arc/include/asm/byteorder.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) - * - * 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. - */ - -#ifndef __ASM_ARC_BYTEORDER_H -#define __ASM_ARC_BYTEORDER_H - -#ifdef CONFIG_CPU_BIG_ENDIAN -#include <linux/byteorder/big_endian.h> -#else -#include <linux/byteorder/little_endian.h> -#endif - -#endif /* ASM_ARC_BYTEORDER_H */ diff --git a/arch/arc/include/asm/cachectl.h b/arch/arc/include/asm/cachectl.h deleted file mode 100644 index 51c73f0..0000000 --- a/arch/arc/include/asm/cachectl.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) - * - * 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. - */ - -#ifndef __ARC_ASM_CACHECTL_H -#define __ARC_ASM_CACHECTL_H - -/* - * ARC ABI flags defined for Android's finegrained cacheflush requirements - */ -#define CF_I_INV 0x0002 -#define CF_D_FLUSH 0x0010 -#define CF_D_FLUSH_INV 0x0020 - -#define CF_DEFAULT (CF_I_INV | CF_D_FLUSH) - -/* - * Standard flags expected by cacheflush system call users - */ -#define ICACHE CF_I_INV -#define DCACHE CF_D_FLUSH -#define BCACHE (CF_I_INV | CF_D_FLUSH) - -#endif diff --git a/arch/arc/include/asm/page.h b/arch/arc/include/asm/page.h index d111d0c..dfe1f8a 100644 --- a/arch/arc/include/asm/page.h +++ b/arch/arc/include/asm/page.h @@ -5,37 +5,11 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - #ifndef __ASM_ARC_PAGE_H #define __ASM_ARC_PAGE_H -/* PAGE_SHIFT determines the page size */ -#if defined(CONFIG_ARC_PAGE_SIZE_16K) -#define PAGE_SHIFT 14 -#elif defined(CONFIG_ARC_PAGE_SIZE_4K) -#define PAGE_SHIFT 12 -#else -/* - * Default 8k - * done this way (instead of under CONFIG_ARC_PAGE_SIZE_8K) because adhoc - * user code (busybox appletlib.h) expects PAGE_SHIFT to be defined w/o - * using the correct uClibc header and in their build our autoconf.h is - * not available - */ -#define PAGE_SHIFT 13 -#endif - -#ifdef __ASSEMBLY__ -#define PAGE_SIZE (1 << PAGE_SHIFT) -#define PAGE_OFFSET (0x80000000) -#else -#define PAGE_SIZE (1UL << PAGE_SHIFT) /* Default 8K */ -#define PAGE_OFFSET (0x80000000UL) /* Kernel starts at 2G onwards */ -#endif +#include <uapi/asm/page.h> -#define PAGE_MASK (~(PAGE_SIZE-1)) - -#ifdef __KERNEL__ #ifndef __ASSEMBLY__ @@ -129,6 +103,4 @@ typedef unsigned long pgtable_t; #endif /* !__ASSEMBLY__ */ -#endif /* __KERNEL__ */ - #endif diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h index 6ab65fa..95e633e 100644 --- a/arch/arc/include/asm/ptrace.h +++ b/arch/arc/include/asm/ptrace.h @@ -7,42 +7,11 @@ * * Amit Bhor, Sameer Dhavale: Codito Technologies 2004 */ - #ifndef __ASM_ARC_PTRACE_H #define __ASM_ARC_PTRACE_H -/* - * XXX: ABI hack. - * The offset calc can be cleanly done in asm-offset.c, however gdb includes - * this header directly. - */ -#define PT_bta 4 -#define PT_lp_start 8 -#define PT_lp_end 12 -#define PT_lp_count 16 -#define PT_status32 20 -#define PT_ret 24 -#define PT_blink 28 -#define PT_fp 32 -#define PT_r26 36 -#define PT_r12 40 -#define PT_r11 44 -#define PT_r10 48 -#define PT_r9 52 -#define PT_r8 56 -#define PT_r7 60 -#define PT_r6 64 -#define PT_r5 68 -#define PT_r4 72 -#define PT_r3 76 -#define PT_r2 80 -#define PT_r1 84 -#define PT_r0 88 -#define PT_sp 92 -#define PT_orig_r0 96 -#define PT_orig_r8 100 - -#ifdef __KERNEL__ +#include <uapi/asm/ptrace.h> + #ifndef __ASSEMBLY__ @@ -163,6 +132,4 @@ static inline long regs_return_value(struct pt_regs *regs) #define orig_r8_IS_IRQ1 0x0010 #define orig_r8_IS_IRQ2 0x0020 -#endif /* __KERNEL__ */ - #endif /* __ASM_PTRACE_H */ diff --git a/arch/arc/include/asm/setup.h b/arch/arc/include/asm/setup.h index fc97411..229e506 100644 --- a/arch/arc/include/asm/setup.h +++ b/arch/arc/include/asm/setup.h @@ -5,11 +5,12 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - #ifndef __ASMARC_SETUP_H #define __ASMARC_SETUP_H + #include <linux/types.h> +#include <uapi/asm/setup.h> #define COMMAND_LINE_SIZE 256 diff --git a/arch/arc/include/asm/sigcontext.h b/arch/arc/include/asm/sigcontext.h deleted file mode 100644 index f21b541..0000000 --- a/arch/arc/include/asm/sigcontext.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) - * - * 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. - */ - -#ifndef _ASM_ARC_SIGCONTEXT_H -#define _ASM_ARC_SIGCONTEXT_H - -#include <asm/ptrace.h> - -/* - * Signal context structure - contains all info to do with the state - * before the signal handler was invoked. Note: only add new entries - * to the end of the structure. - */ -struct sigcontext { - struct pt_regs regs; -}; - -#endif /* _ASM_ARC_SIGCONTEXT_H */ diff --git a/arch/arc/include/asm/signal.h b/arch/arc/include/asm/signal.h deleted file mode 100644 index fad62f7..0000000 --- a/arch/arc/include/asm/signal.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) - * - * 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. - * - * Amit Bhor, Sameer Dhavale: Codito Technologies 2004 - */ - -#ifndef _ASM_ARC_SIGNAL_H -#define _ASM_ARC_SIGNAL_H - -/* - * This is much needed for ARC sigreturn optimization. - * This allows uClibc to piggback the addr of a sigreturn stub in sigaction, - * which allows sigreturn based re-entry into kernel after handling signal. - * W/o this kernel needs to "synthesize" the sigreturn trampoline on user - * mode stack which in turn forces the following: - * -TLB Flush (after making the stack page executable) - * -Cache line Flush (to make I/D Cache lines coherent) - */ -#define SA_RESTORER 0x04000000 - -#include <asm-generic/signal.h> - -#endif /* _ASM_ARC_SIGNAL_H */ diff --git a/arch/arc/include/asm/swab.h b/arch/arc/include/asm/swab.h deleted file mode 100644 index 095599a..0000000 --- a/arch/arc/include/asm/swab.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) - * - * 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. - * - * vineetg: May 2011 - * -Support single cycle endian-swap insn in ARC700 4.10 - * - * vineetg: June 2009 - * -Better htonl implementation (5 instead of 9 ALU instructions) - * -Hardware assisted single cycle bswap (Use Case of ARC custom instrn) - */ - -#ifndef __ASM_ARC_SWAB_H -#define __ASM_ARC_SWAB_H - -#include <linux/types.h> - -/* Native single cycle endian swap insn */ -#ifdef CONFIG_ARC_HAS_SWAPE - -#define __arch_swab32(x) \ -({ \ - unsigned int tmp = x; \ - __asm__( \ - " swape %0, %1 \n" \ - : "=r" (tmp) \ - : "r" (tmp)); \ - tmp; \ -}) - -#else - -/* Several ways of Endian-Swap Emulation for ARC - * 0: kernel generic - * 1: ARC optimised "C" - * 2: ARC Custom instruction - */ -#define ARC_BSWAP_TYPE 1 - -#if (ARC_BSWAP_TYPE == 1) /******* Software only ********/ - -/* The kernel default implementation of htonl is - * return x<<24 | x>>24 | - * (x & (__u32)0x0000ff00UL)<<8 | (x & (__u32)0x00ff0000UL)>>8; - * - * This generates 9 instructions on ARC (excluding the ld/st) - * - * 8051fd8c: ld r3,[r7,20] ; Mem op : Get the value to be swapped - * 8051fd98: asl r5,r3,24 ; get 3rd Byte - * 8051fd9c: lsr r2,r3,24 ; get 0th Byte - * 8051fda0: and r4,r3,0xff00 - * 8051fda8: asl r4,r4,8 ; get 1st Byte - * 8051fdac: and r3,r3,0x00ff0000 - * 8051fdb4: or r2,r2,r5 ; combine 0th and 3rd Bytes - * 8051fdb8: lsr r3,r3,8 ; 2nd Byte at correct place in Dst Reg - * 8051fdbc: or r2,r2,r4 ; combine 0,3 Bytes with 1st Byte - * 8051fdc0: or r2,r2,r3 ; combine 0,3,1 Bytes with 2nd Byte - * 8051fdc4: st r2,[r1,20] ; Mem op : save result back to mem - * - * Joern suggested a better "C" algorithm which is great since - * (1) It is portable to any architecure - * (2) At the same time it takes advantage of ARC ISA (rotate intrns) - */ - -#define __arch_swab32(x) \ -({ unsigned long __in = (x), __tmp; \ - __tmp = __in << 8 | __in >> 24; /* ror tmp,in,24 */ \ - __in = __in << 24 | __in >> 8; /* ror in,in,8 */ \ - __tmp ^= __in; \ - __tmp &= 0xff00ff; \ - __tmp ^ __in; \ -}) - -#elif (ARC_BSWAP_TYPE == 2) /* Custom single cycle bwap instruction */ - -#define __arch_swab32(x) \ -({ \ - unsigned int tmp = x; \ - __asm__( \ - " .extInstruction bswap, 7, 0x00, SUFFIX_NONE, SYNTAX_2OP \n"\ - " bswap %0, %1 \n"\ - : "=r" (tmp) \ - : "r" (tmp)); \ - tmp; \ -}) - -#endif /* ARC_BSWAP_TYPE=zzz */ - -#endif /* CONFIG_ARC_HAS_SWAPE */ - -#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) -#define __SWAB_64_THRU_32__ -#endif - -#endif diff --git a/arch/arc/include/asm/unistd.h b/arch/arc/include/asm/unistd.h deleted file mode 100644 index 6f30484..0000000 --- a/arch/arc/include/asm/unistd.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) - * - * 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. - */ - -/******** no-legacy-syscalls-ABI *******/ - -#define __ARCH_WANT_SYS_EXECVE -#define __ARCH_WANT_SYS_CLONE -#define __ARCH_WANT_SYS_VFORK -#define __ARCH_WANT_SYS_FORK - -#define sys_mmap2 sys_mmap_pgoff - -#include <asm-generic/unistd.h> - -#define NR_syscalls __NR_syscalls - -/* ARC specific syscall */ -#define __NR_cacheflush (__NR_arch_specific_syscall + 0) -#define __NR_arc_settls (__NR_arch_specific_syscall + 1) -#define __NR_arc_gettls (__NR_arch_specific_syscall + 2) - -__SYSCALL(__NR_cacheflush, sys_cacheflush) -__SYSCALL(__NR_arc_settls, sys_arc_settls) -__SYSCALL(__NR_arc_gettls, sys_arc_gettls) - - -/* Generic syscall (fs/filesystems.c - lost in asm-generic/unistd.h */ -#define __NR_sysfs (__NR_arch_specific_syscall + 3) -__SYSCALL(__NR_sysfs, sys_sysfs) diff --git a/arch/arc/include/uapi/asm/Kbuild b/arch/arc/include/uapi/asm/Kbuild new file mode 100644 index 0000000..2736244 --- /dev/null +++ b/arch/arc/include/uapi/asm/Kbuild @@ -0,0 +1,11 @@ +# UAPI Header export list +include include/uapi/asm-generic/Kbuild.asm +header-y += page.h +header-y += setup.h +header-y += byteorder.h +header-y += cachectl.h +header-y += ptrace.h +header-y += sigcontext.h +header-y += signal.h +header-y += swab.h +header-y += unistd.h diff --git a/arch/arc/include/uapi/asm/byteorder.h b/arch/arc/include/uapi/asm/byteorder.h new file mode 100644 index 0000000..9da71d4 --- /dev/null +++ b/arch/arc/include/uapi/asm/byteorder.h @@ -0,0 +1,18 @@ +/* + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) + * + * 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. + */ + +#ifndef __ASM_ARC_BYTEORDER_H +#define __ASM_ARC_BYTEORDER_H + +#ifdef CONFIG_CPU_BIG_ENDIAN +#include <linux/byteorder/big_endian.h> +#else +#include <linux/byteorder/little_endian.h> +#endif + +#endif /* ASM_ARC_BYTEORDER_H */ diff --git a/arch/arc/include/uapi/asm/cachectl.h b/arch/arc/include/uapi/asm/cachectl.h new file mode 100644 index 0000000..51c73f0 --- /dev/null +++ b/arch/arc/include/uapi/asm/cachectl.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) + * + * 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. + */ + +#ifndef __ARC_ASM_CACHECTL_H +#define __ARC_ASM_CACHECTL_H + +/* + * ARC ABI flags defined for Android's finegrained cacheflush requirements + */ +#define CF_I_INV 0x0002 +#define CF_D_FLUSH 0x0010 +#define CF_D_FLUSH_INV 0x0020 + +#define CF_DEFAULT (CF_I_INV | CF_D_FLUSH) + +/* + * Standard flags expected by cacheflush system call users + */ +#define ICACHE CF_I_INV +#define DCACHE CF_D_FLUSH +#define BCACHE (CF_I_INV | CF_D_FLUSH) + +#endif diff --git a/arch/arc/include/uapi/asm/page.h b/arch/arc/include/uapi/asm/page.h new file mode 100644 index 0000000..e5d41e0 --- /dev/null +++ b/arch/arc/include/uapi/asm/page.h @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) + * + * 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. + */ + +#ifndef _UAPI__ASM_ARC_PAGE_H +#define _UAPI__ASM_ARC_PAGE_H + +/* PAGE_SHIFT determines the page size */ +#if defined(CONFIG_ARC_PAGE_SIZE_16K) +#define PAGE_SHIFT 14 +#elif defined(CONFIG_ARC_PAGE_SIZE_4K) +#define PAGE_SHIFT 12 +#else +/* + * Default 8k + * done this way (instead of under CONFIG_ARC_PAGE_SIZE_8K) because adhoc + * user code (busybox appletlib.h) expects PAGE_SHIFT to be defined w/o + * using the correct uClibc header and in their build our autoconf.h is + * not available + */ +#define PAGE_SHIFT 13 +#endif + +#ifdef __ASSEMBLY__ +#define PAGE_SIZE (1 << PAGE_SHIFT) +#define PAGE_OFFSET (0x80000000) +#else +#define PAGE_SIZE (1UL << PAGE_SHIFT) /* Default 8K */ +#define PAGE_OFFSET (0x80000000UL) /* Kernel starts at 2G onwards */ +#endif + +#define PAGE_MASK (~(PAGE_SIZE-1)) + + +#endif /* _UAPI__ASM_ARC_PAGE_H */ diff --git a/arch/arc/include/uapi/asm/ptrace.h b/arch/arc/include/uapi/asm/ptrace.h new file mode 100644 index 0000000..bccf4ab --- /dev/null +++ b/arch/arc/include/uapi/asm/ptrace.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) + * + * 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. + * + * Amit Bhor, Sameer Dhavale: Codito Technologies 2004 + */ + +#ifndef _UAPI__ASM_ARC_PTRACE_H +#define _UAPI__ASM_ARC_PTRACE_H + +/* + * XXX: ABI hack. + * The offset calc can be cleanly done in asm-offset.c, however gdb includes + * this header directly. + */ +#define PT_bta 4 +#define PT_lp_start 8 +#define PT_lp_end 12 +#define PT_lp_count 16 +#define PT_status32 20 +#define PT_ret 24 +#define PT_blink 28 +#define PT_fp 32 +#define PT_r26 36 +#define PT_r12 40 +#define PT_r11 44 +#define PT_r10 48 +#define PT_r9 52 +#define PT_r8 56 +#define PT_r7 60 +#define PT_r6 64 +#define PT_r5 68 +#define PT_r4 72 +#define PT_r3 76 +#define PT_r2 80 +#define PT_r1 84 +#define PT_r0 88 +#define PT_sp 92 +#define PT_orig_r0 96 +#define PT_orig_r8 100 + + +#endif /* _UAPI__ASM_ARC_PTRACE_H */ diff --git a/arch/arc/include/uapi/asm/setup.h b/arch/arc/include/uapi/asm/setup.h new file mode 100644 index 0000000..a6d4e44 --- /dev/null +++ b/arch/arc/include/uapi/asm/setup.h @@ -0,0 +1,6 @@ +/* + * setup.h is part of userspace header ABI so UAPI scripts have to generate it + * even if there's nothing to export - causing empty <uapi/asm/setup.h> + * However to prevent "patch" from discarding it we add this placeholder + * comment + */ diff --git a/arch/arc/include/uapi/asm/sigcontext.h b/arch/arc/include/uapi/asm/sigcontext.h new file mode 100644 index 0000000..f21b541 --- /dev/null +++ b/arch/arc/include/uapi/asm/sigcontext.h @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) + * + * 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. + */ + +#ifndef _ASM_ARC_SIGCONTEXT_H +#define _ASM_ARC_SIGCONTEXT_H + +#include <asm/ptrace.h> + +/* + * Signal context structure - contains all info to do with the state + * before the signal handler was invoked. Note: only add new entries + * to the end of the structure. + */ +struct sigcontext { + struct pt_regs regs; +}; + +#endif /* _ASM_ARC_SIGCONTEXT_H */ diff --git a/arch/arc/include/uapi/asm/signal.h b/arch/arc/include/uapi/asm/signal.h new file mode 100644 index 0000000..fad62f7 --- /dev/null +++ b/arch/arc/include/uapi/asm/signal.h @@ -0,0 +1,27 @@ +/* + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) + * + * 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. + * + * Amit Bhor, Sameer Dhavale: Codito Technologies 2004 + */ + +#ifndef _ASM_ARC_SIGNAL_H +#define _ASM_ARC_SIGNAL_H + +/* + * This is much needed for ARC sigreturn optimization. + * This allows uClibc to piggback the addr of a sigreturn stub in sigaction, + * which allows sigreturn based re-entry into kernel after handling signal. + * W/o this kernel needs to "synthesize" the sigreturn trampoline on user + * mode stack which in turn forces the following: + * -TLB Flush (after making the stack page executable) + * -Cache line Flush (to make I/D Cache lines coherent) + */ +#define SA_RESTORER 0x04000000 + +#include <asm-generic/signal.h> + +#endif /* _ASM_ARC_SIGNAL_H */ diff --git a/arch/arc/include/uapi/asm/swab.h b/arch/arc/include/uapi/asm/swab.h new file mode 100644 index 0000000..095599a --- /dev/null +++ b/arch/arc/include/uapi/asm/swab.h @@ -0,0 +1,98 @@ +/* + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) + * + * 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. + * + * vineetg: May 2011 + * -Support single cycle endian-swap insn in ARC700 4.10 + * + * vineetg: June 2009 + * -Better htonl implementation (5 instead of 9 ALU instructions) + * -Hardware assisted single cycle bswap (Use Case of ARC custom instrn) + */ + +#ifndef __ASM_ARC_SWAB_H +#define __ASM_ARC_SWAB_H + +#include <linux/types.h> + +/* Native single cycle endian swap insn */ +#ifdef CONFIG_ARC_HAS_SWAPE + +#define __arch_swab32(x) \ +({ \ + unsigned int tmp = x; \ + __asm__( \ + " swape %0, %1 \n" \ + : "=r" (tmp) \ + : "r" (tmp)); \ + tmp; \ +}) + +#else + +/* Several ways of Endian-Swap Emulation for ARC + * 0: kernel generic + * 1: ARC optimised "C" + * 2: ARC Custom instruction + */ +#define ARC_BSWAP_TYPE 1 + +#if (ARC_BSWAP_TYPE == 1) /******* Software only ********/ + +/* The kernel default implementation of htonl is + * return x<<24 | x>>24 | + * (x & (__u32)0x0000ff00UL)<<8 | (x & (__u32)0x00ff0000UL)>>8; + * + * This generates 9 instructions on ARC (excluding the ld/st) + * + * 8051fd8c: ld r3,[r7,20] ; Mem op : Get the value to be swapped + * 8051fd98: asl r5,r3,24 ; get 3rd Byte + * 8051fd9c: lsr r2,r3,24 ; get 0th Byte + * 8051fda0: and r4,r3,0xff00 + * 8051fda8: asl r4,r4,8 ; get 1st Byte + * 8051fdac: and r3,r3,0x00ff0000 + * 8051fdb4: or r2,r2,r5 ; combine 0th and 3rd Bytes + * 8051fdb8: lsr r3,r3,8 ; 2nd Byte at correct place in Dst Reg + * 8051fdbc: or r2,r2,r4 ; combine 0,3 Bytes with 1st Byte + * 8051fdc0: or r2,r2,r3 ; combine 0,3,1 Bytes with 2nd Byte + * 8051fdc4: st r2,[r1,20] ; Mem op : save result back to mem + * + * Joern suggested a better "C" algorithm which is great since + * (1) It is portable to any architecure + * (2) At the same time it takes advantage of ARC ISA (rotate intrns) + */ + +#define __arch_swab32(x) \ +({ unsigned long __in = (x), __tmp; \ + __tmp = __in << 8 | __in >> 24; /* ror tmp,in,24 */ \ + __in = __in << 24 | __in >> 8; /* ror in,in,8 */ \ + __tmp ^= __in; \ + __tmp &= 0xff00ff; \ + __tmp ^ __in; \ +}) + +#elif (ARC_BSWAP_TYPE == 2) /* Custom single cycle bwap instruction */ + +#define __arch_swab32(x) \ +({ \ + unsigned int tmp = x; \ + __asm__( \ + " .extInstruction bswap, 7, 0x00, SUFFIX_NONE, SYNTAX_2OP \n"\ + " bswap %0, %1 \n"\ + : "=r" (tmp) \ + : "r" (tmp)); \ + tmp; \ +}) + +#endif /* ARC_BSWAP_TYPE=zzz */ + +#endif /* CONFIG_ARC_HAS_SWAPE */ + +#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) +#define __SWAB_64_THRU_32__ +#endif + +#endif diff --git a/arch/arc/include/uapi/asm/unistd.h b/arch/arc/include/uapi/asm/unistd.h new file mode 100644 index 0000000..6f30484 --- /dev/null +++ b/arch/arc/include/uapi/asm/unistd.h @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) + * + * 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. + */ + +/******** no-legacy-syscalls-ABI *******/ + +#define __ARCH_WANT_SYS_EXECVE +#define __ARCH_WANT_SYS_CLONE +#define __ARCH_WANT_SYS_VFORK +#define __ARCH_WANT_SYS_FORK + +#define sys_mmap2 sys_mmap_pgoff + +#include <asm-generic/unistd.h> + +#define NR_syscalls __NR_syscalls + +/* ARC specific syscall */ +#define __NR_cacheflush (__NR_arch_specific_syscall + 0) +#define __NR_arc_settls (__NR_arch_specific_syscall + 1) +#define __NR_arc_gettls (__NR_arch_specific_syscall + 2) + +__SYSCALL(__NR_cacheflush, sys_cacheflush) +__SYSCALL(__NR_arc_settls, sys_arc_settls) +__SYSCALL(__NR_arc_gettls, sys_arc_gettls) + + +/* Generic syscall (fs/filesystems.c - lost in asm-generic/unistd.h */ +#define __NR_sysfs (__NR_arch_specific_syscall + 3) +__SYSCALL(__NR_sysfs, sys_sysfs) -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html