From: Mikael Starvik Date: Wed, 27 Jul 2005 18:44:27 +0000 (-0700) Subject: [PATCH] CRIS update: arch split X-Git-Tag: v2.6.13-rc4~25^2~109 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=cb09f540a1c5e6c5beb6e82f554d51a1f2c87e67;p=linux-2.6-omap-h63xx.git [PATCH] CRIS update: arch split Changes necessary to make the sub-arch split complete. Signed-off-by: Mikael Starvik Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/arch/cris/kernel/ptrace.c b/arch/cris/kernel/ptrace.c index e85a2fdd9ac..2b6363cbe98 100644 --- a/arch/cris/kernel/ptrace.c +++ b/arch/cris/kernel/ptrace.c @@ -8,6 +8,12 @@ * Authors: Bjorn Wesen * * $Log: ptrace.c,v $ + * Revision 1.10 2004/09/22 11:50:01 orjanf + * * Moved get_reg/put_reg to arch-specific files. + * * Added functions to access debug registers (CRISv32). + * * Added support for PTRACE_SINGLESTEP (CRISv32). + * * Added S flag to CCS_MASK (CRISv32). + * * Revision 1.9 2003/07/04 12:56:11 tobiasa * Moved arch-specific code to arch-specific files. * @@ -72,37 +78,6 @@ #include #include -/* - * Get contents of register REGNO in task TASK. - */ -inline long get_reg(struct task_struct *task, unsigned int regno) -{ - /* USP is a special case, it's not in the pt_regs struct but - * in the tasks thread struct - */ - - if (regno == PT_USP) - return task->thread.usp; - else if (regno < PT_MAX) - return ((unsigned long *)user_regs(task->thread_info))[regno]; - else - return 0; -} - -/* - * Write contents of register REGNO in task TASK. - */ -inline int put_reg(struct task_struct *task, unsigned int regno, - unsigned long data) -{ - if (regno == PT_USP) - task->thread.usp = data; - else if (regno < PT_MAX) - ((unsigned long *)user_regs(task->thread_info))[regno] = data; - else - return -1; - return 0; -} /* notification of userspace execution resumption * - triggered by current->work.notify_resume diff --git a/include/asm-cris/arch-v10/elf.h b/include/asm-cris/arch-v10/elf.h index 2a2201ca538..1c38ee728b1 100644 --- a/include/asm-cris/arch-v10/elf.h +++ b/include/asm-cris/arch-v10/elf.h @@ -1,6 +1,16 @@ #ifndef __ASMCRIS_ARCH_ELF_H #define __ASMCRIS_ARCH_ELF_H +#define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10 + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) \ + ((x)->e_machine == EM_CRIS \ + && ((((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_ANY_V0_V10 \ + || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32)))) + /* * ELF register definitions.. */ diff --git a/include/asm-cris/arch-v10/memmap.h b/include/asm-cris/arch-v10/memmap.h new file mode 100644 index 00000000000..13f3b971407 --- /dev/null +++ b/include/asm-cris/arch-v10/memmap.h @@ -0,0 +1,22 @@ +#ifndef _ASM_ARCH_MEMMAP_H +#define _ASM_ARCH_MEMMAP_H + +#define MEM_CSE0_START (0x00000000) +#define MEM_CSE0_SIZE (0x04000000) +#define MEM_CSE1_START (0x04000000) +#define MEM_CSE1_SIZE (0x04000000) +#define MEM_CSR0_START (0x08000000) +#define MEM_CSR1_START (0x0c000000) +#define MEM_CSP0_START (0x10000000) +#define MEM_CSP1_START (0x14000000) +#define MEM_CSP2_START (0x18000000) +#define MEM_CSP3_START (0x1c000000) +#define MEM_CSP4_START (0x20000000) +#define MEM_CSP5_START (0x24000000) +#define MEM_CSP6_START (0x28000000) +#define MEM_CSP7_START (0x2c000000) +#define MEM_DRAM_START (0x40000000) + +#define MEM_NON_CACHEABLE (0x80000000) + +#endif diff --git a/include/asm-cris/arch-v10/processor.h b/include/asm-cris/arch-v10/processor.h index 9355d8675a5..e23df8dc96e 100644 --- a/include/asm-cris/arch-v10/processor.h +++ b/include/asm-cris/arch-v10/processor.h @@ -59,4 +59,12 @@ struct thread_struct { wrusp(usp); \ } while(0) +/* Called when handling a kernel bus fault fixup. + * + * After a fixup we do not want to return by restoring the CPU-state + * anymore, so switch frame-types (see ptrace.h) + */ +#define arch_fixup(regs) \ + regs->frametype = CRIS_FRAME_NORMAL; + #endif diff --git a/include/asm-cris/elf.h b/include/asm-cris/elf.h index d37fd5c4a56..87a60bd8e66 100644 --- a/include/asm-cris/elf.h +++ b/include/asm-cris/elf.h @@ -8,6 +8,27 @@ #include #include +#define R_CRIS_NONE 0 +#define R_CRIS_8 1 +#define R_CRIS_16 2 +#define R_CRIS_32 3 +#define R_CRIS_8_PCREL 4 +#define R_CRIS_16_PCREL 5 +#define R_CRIS_32_PCREL 6 +#define R_CRIS_GNU_VTINHERIT 7 +#define R_CRIS_GNU_VTENTRY 8 +#define R_CRIS_COPY 9 +#define R_CRIS_GLOB_DAT 10 +#define R_CRIS_JUMP_SLOT 11 +#define R_CRIS_RELATIVE 12 +#define R_CRIS_16_GOT 13 +#define R_CRIS_32_GOT 14 +#define R_CRIS_16_GOTPLT 15 +#define R_CRIS_32_GOTPLT 16 +#define R_CRIS_32_GOTREL 17 +#define R_CRIS_32_PLT_GOTREL 18 +#define R_CRIS_32_PLT_PCREL 19 + typedef unsigned long elf_greg_t; /* Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is @@ -18,18 +39,30 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG]; /* A placeholder; CRIS does not have any fp regs. */ typedef unsigned long elf_fpregset_t; -/* - * This is used to ensure we don't load something for the wrong architecture. - */ -#define elf_check_arch(x) ( (x)->e_machine == EM_CRIS ) - /* * These are used to set parameters in the core dumps. */ #define ELF_CLASS ELFCLASS32 -#define ELF_DATA ELFDATA2LSB; +#define ELF_DATA ELFDATA2LSB #define ELF_ARCH EM_CRIS +/* The master for these definitions is {binutils}/include/elf/cris.h: */ +/* User symbols in this file have a leading underscore. */ +#define EF_CRIS_UNDERSCORE 0x00000001 + +/* This is a mask for different incompatible machine variants. */ +#define EF_CRIS_VARIANT_MASK 0x0000000e + +/* Variant 0; may contain v0..10 object. */ +#define EF_CRIS_VARIANT_ANY_V0_V10 0x00000000 + +/* Variant 1; contains v32 object. */ +#define EF_CRIS_VARIANT_V32 0x00000002 + +/* Variant 2; contains object compatible with v32 and v10. */ +#define EF_CRIS_VARIANT_COMMON_V10_V32 0x00000004 +/* End of excerpt from {binutils}/include/elf/cris.h. */ + #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 8192 diff --git a/include/asm-cris/etraxgpio.h b/include/asm-cris/etraxgpio.h index cf04af9635c..80ee10f70d4 100644 --- a/include/asm-cris/etraxgpio.h +++ b/include/asm-cris/etraxgpio.h @@ -13,7 +13,7 @@ are enabled. * * - * For ETRAX 200 (ARCH_V32): + * For ETRAX FS (ARCH_V32): * /dev/gpioa minor 0, 8 bit GPIO, each bit can change direction * /dev/gpiob minor 1, 18 bit GPIO, each bit can change direction * /dev/gpioc minor 2, 18 bit GPIO, each bit can change direction @@ -39,10 +39,10 @@ #define ETRAXGPIO_IOCTYPE 43 #define GPIO_MINOR_A 0 #define GPIO_MINOR_B 1 -#define GPIO_MINOR_C 2 -#define GPIO_MINOR_D 3 -#define GPIO_MINOR_E 4 -#define GPIO_MINOR_LEDS 5 +#define GPIO_MINOR_LEDS 2 +#define GPIO_MINOR_C 3 +#define GPIO_MINOR_D 4 +#define GPIO_MINOR_E 5 #define GPIO_MINOR_LAST 5 #endif