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Diffstat (limited to 'include/asm-frv/registers.h')
| -rw-r--r-- | include/asm-frv/registers.h | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/include/asm-frv/registers.h b/include/asm-frv/registers.h deleted file mode 100644 index fccfd95cff6..00000000000 --- a/include/asm-frv/registers.h +++ /dev/null @@ -1,255 +0,0 @@ -/* registers.h: register frame declarations - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -/* - * notes: - * - * (1) that the members of all these structures are carefully aligned to permit - * usage of STD/STDF instructions - * - * (2) if you change these structures, you must change the code in - * arch/frvnommu/kernel/{break.S,entry.S,switch_to.S,gdb-stub.c} - * - * - * the kernel stack space block looks like this: - * - * +0x2000 +---------------------- - * | union { - * | struct user_context - * | struct pt_regs [user exception] - * | } - * +---------------------- <-- __kernel_frame0_ptr (maybe GR28) - * | - * | kernel stack - * | - * |...................... - * | struct pt_regs [kernel exception] - * |...................... <-- __kernel_frame0_ptr (maybe GR28) - * | - * | kernel stack - * | - * |...................... <-- stack pointer (GR1) - * | - * | unused stack space - * | - * +---------------------- - * | struct thread_info - * +0x0000 +---------------------- <-- __current_thread_info (GR15); - * - * note that GR28 points to the current exception frame - */ - -#ifndef _ASM_REGISTERS_H -#define _ASM_REGISTERS_H - -#ifndef __ASSEMBLY__ -#define __OFFSET(X) (X) -#define __OFFSETC(X,N) xxxxxxxxxxxxxxxxxxxxxxxx -#else -#define __OFFSET(X) ((X)*4) -#define __OFFSETC(X,N) ((X)*4+(N)) -#endif - -/*****************************************************************************/ -/* - * Exception/Interrupt frame - * - held on kernel stack - * - 8-byte aligned on stack (old SP is saved in frame) - * - GR0 is fixed 0, so we don't save it - */ -#ifndef __ASSEMBLY__ - -struct pt_regs { - unsigned long psr; /* Processor Status Register */ - unsigned long isr; /* Integer Status Register */ - unsigned long ccr; /* Condition Code Register */ - unsigned long cccr; /* Condition Code for Conditional Insns Register */ - unsigned long lr; /* Link Register */ - unsigned long lcr; /* Loop Count Register */ - unsigned long pc; /* Program Counter Register */ - unsigned long __status; /* exception status */ - unsigned long syscallno; /* syscall number or -1 */ - unsigned long orig_gr8; /* original syscall arg #1 */ - unsigned long gner0; - unsigned long gner1; - unsigned long long iacc0; - unsigned long tbr; /* GR0 is fixed zero, so we use this for TBR */ - unsigned long sp; /* GR1: USP/KSP */ - unsigned long fp; /* GR2: FP */ - unsigned long gr3; - unsigned long gr4; - unsigned long gr5; - unsigned long gr6; - unsigned long gr7; /* syscall number */ - unsigned long gr8; /* 1st syscall param; syscall return */ - unsigned long gr9; /* 2nd syscall param */ - unsigned long gr10; /* 3rd syscall param */ - unsigned long gr11; /* 4th syscall param */ - unsigned long gr12; /* 5th syscall param */ - unsigned long gr13; /* 6th syscall param */ - unsigned long gr14; - unsigned long gr15; - unsigned long gr16; /* GP pointer */ - unsigned long gr17; /* small data */ - unsigned long gr18; /* PIC/PID */ - unsigned long gr19; - unsigned long gr20; - unsigned long gr21; - unsigned long gr22; - unsigned long gr23; - unsigned long gr24; - unsigned long gr25; - unsigned long gr26; - unsigned long gr27; - struct pt_regs *next_frame; /* GR28 - next exception frame */ - unsigned long gr29; /* GR29 - OS reserved */ - unsigned long gr30; /* GR30 - OS reserved */ - unsigned long gr31; /* GR31 - OS reserved */ -} __attribute__((aligned(8))); - -#endif - -#define REG_PSR __OFFSET( 0) /* Processor Status Register */ -#define REG_ISR __OFFSET( 1) /* Integer Status Register */ -#define REG_CCR __OFFSET( 2) /* Condition Code Register */ -#define REG_CCCR __OFFSET( 3) /* Condition Code for Conditional Insns Register */ -#define REG_LR __OFFSET( 4) /* Link Register */ -#define REG_LCR __OFFSET( 5) /* Loop Count Register */ -#define REG_PC __OFFSET( 6) /* Program Counter */ - -#define REG__STATUS __OFFSET( 7) /* exception status */ -#define REG__STATUS_STEP 0x00000001 /* - reenable single stepping on return */ -#define REG__STATUS_STEPPED 0x00000002 /* - single step caused exception */ -#define REG__STATUS_BROKE 0x00000004 /* - BREAK insn caused exception */ -#define REG__STATUS_SYSC_ENTRY 0x40000000 /* - T on syscall entry (ptrace.c only) */ -#define REG__STATUS_SYSC_EXIT 0x80000000 /* - T on syscall exit (ptrace.c only) */ - -#define REG_SYSCALLNO __OFFSET( 8) /* syscall number or -1 */ -#define REG_ORIG_GR8 __OFFSET( 9) /* saved GR8 for signal handling */ -#define REG_GNER0 __OFFSET(10) -#define REG_GNER1 __OFFSET(11) -#define REG_IACC0 __OFFSET(12) - -#define REG_TBR __OFFSET(14) /* Trap Vector Register */ -#define REG_GR(R) __OFFSET((14+(R))) -#define REG__END REG_GR(32) - -#define REG_SP REG_GR(1) -#define REG_FP REG_GR(2) -#define REG_PREV_FRAME REG_GR(28) /* previous exception frame pointer (old gr28 value) */ -#define REG_CURR_TASK REG_GR(29) /* current task */ - -/*****************************************************************************/ -/* - * extension tacked in front of the exception frame in debug mode - */ -#ifndef __ASSEMBLY__ - -struct pt_debug_regs -{ - unsigned long bpsr; - unsigned long dcr; - unsigned long brr; - unsigned long nmar; - struct pt_regs normal_regs; -} __attribute__((aligned(8))); - -#endif - -#define REG_NMAR __OFFSET(-1) -#define REG_BRR __OFFSET(-2) -#define REG_DCR __OFFSET(-3) -#define REG_BPSR __OFFSET(-4) -#define REG__DEBUG_XTRA __OFFSET(4) - -/*****************************************************************************/ -/* - * userspace registers - */ -#ifndef __ASSEMBLY__ - -struct user_int_regs -{ - /* integer registers - * - up to gr[31] mirror pt_regs - * - total size must be multiple of 8 bytes - */ - unsigned long psr; /* Processor Status Register */ - unsigned long isr; /* Integer Status Register */ - unsigned long ccr; /* Condition Code Register */ - unsigned long cccr; /* Condition Code for Conditional Insns Register */ - unsigned long lr; /* Link Register */ - unsigned long lcr; /* Loop Count Register */ - unsigned long pc; /* Program Counter Register */ - unsigned long __status; /* exception status */ - unsigned long syscallno; /* syscall number or -1 */ - unsigned long orig_gr8; /* original syscall arg #1 */ - unsigned long gner[2]; - unsigned long long iacc[1]; - - union { - unsigned long tbr; - unsigned long gr[64]; - }; -}; - -struct user_fpmedia_regs -{ - /* FP/Media registers */ - unsigned long fr[64]; - unsigned long fner[2]; - unsigned long msr[2]; - unsigned long acc[8]; - unsigned char accg[8]; - unsigned long fsr[1]; -}; - -struct user_context -{ - struct user_int_regs i; - struct user_fpmedia_regs f; - - /* we provide a context extension so that we can save the regs for CPUs that - * implement many more of Fujitsu's lavish register spec - */ - void *extension; -} __attribute__((aligned(8))); - -#endif - -#define NR_USER_INT_REGS (14 + 64) -#define NR_USER_FPMEDIA_REGS (64 + 2 + 2 + 8 + 8/4 + 1) -#define NR_USER_CONTEXT (NR_USER_INT_REGS + NR_USER_FPMEDIA_REGS + 1) - -#define USER_CONTEXT_SIZE (((NR_USER_CONTEXT + 1) & ~1) * 4) - -#define __THREAD_FRAME __OFFSET(0) -#define __THREAD_CURR __OFFSET(1) -#define __THREAD_SP __OFFSET(2) -#define __THREAD_FP __OFFSET(3) -#define __THREAD_LR __OFFSET(4) -#define __THREAD_PC __OFFSET(5) -#define __THREAD_GR(R) __OFFSET(6 + (R) - 16) -#define __THREAD_FRAME0 __OFFSET(19) -#define __THREAD_USER __OFFSET(19) - -#define __USER_INT __OFFSET(0) -#define __INT_GR(R) __OFFSET(14 + (R)) - -#define __USER_FPMEDIA __OFFSET(NR_USER_INT_REGS) -#define __FPMEDIA_FR(R) __OFFSET(NR_USER_INT_REGS + (R)) -#define __FPMEDIA_FNER(R) __OFFSET(NR_USER_INT_REGS + 64 + (R)) -#define __FPMEDIA_MSR(R) __OFFSET(NR_USER_INT_REGS + 66 + (R)) -#define __FPMEDIA_ACC(R) __OFFSET(NR_USER_INT_REGS + 68 + (R)) -#define __FPMEDIA_ACCG(R) __OFFSETC(NR_USER_INT_REGS + 76, (R)) -#define __FPMEDIA_FSR(R) __OFFSET(NR_USER_INT_REGS + 78 + (R)) - -#endif /* _ASM_REGISTERS_H */ |