diff options
Diffstat (limited to 'arch/m68k/mach-mcfv4e/include/proc/ptrace.h')
| -rw-r--r-- | arch/m68k/mach-mcfv4e/include/proc/ptrace.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/arch/m68k/mach-mcfv4e/include/proc/ptrace.h b/arch/m68k/mach-mcfv4e/include/proc/ptrace.h deleted file mode 100644 index 5e120596d2..0000000000 --- a/arch/m68k/mach-mcfv4e/include/proc/ptrace.h +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright (c) 2008 Carsten Schlote <c.schlote@konzeptpark.de> - * See file CREDITS for list of people who contributed to this project. - * - * This file is part of barebox. - * - * barebox 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 3 of the License, or - * (at your option) any later version. - * - * barebox is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with barebox. If not, see <http://www.gnu.org/licenses/>. - */ - -/** @file - * Declaration and defines for M68k register frames - */ -#ifndef __ASM_PROC_PTRACE_H -#define __ASM_PROC_PTRACE_H - -#define TRACE_FLAG 0x8000 -#define SVR_MODE 0x2000 -#define MODE_MASK 0x2000 -#define MASTER_FLAG 0x1000 -#define IRQ_MASK 0x0700 -#define CC_MASK 0x00FF - -#define CC_X_BIT 0x0010 -#define CC_N_BIT 0x0008 -#define CC_Z_BIT 0x0004 -#define CC_V_BIT 0x0002 -#define CC_C_BIT 0x0001 - -#define PCMASK 0x0 - -#ifndef __ASSEMBLY__ - -/* this struct defines the way the registers are stored on the - stack during a system call. */ - -struct pt_regs { - long uregs[37]; -}; -#define M68K_sp uregs[37] -#define M68K_sr uregs[36] -#define M68K_pc uregs[35] -#define M68K_fpiar uregs[34] -#define M68K_fpsr uregs[33] -#define M68K_fpcr uregs[32] - -#define M68K_fp7 uregs[30] -#define M68K_fp6 uregs[28] -#define M68K_fp5 uregs[26] -#define M68K_fp4 uregs[24] -#define M68K_fp3 uregs[22] -#define M68K_fp2 uregs[20] -#define M68K_fp1 uregs[18] -#define M68K_fp0 uregs[16] - -#define M68K_a7 uregs[15] -#define M68K_a6 uregs[14] -#define M68K_a5 uregs[13] -#define M68K_a4 uregs[12] -#define M68K_a3 uregs[11] -#define M68K_a2 uregs[10] -#define M68K_a1 uregs[ 9] -#define M68K_a0 uregs[ 8] -#define M68K_d7 uregs[ 7] -#define M68K_d6 uregs[ 6] -#define M68K_d5 uregs[ 5] -#define M68K_d4 uregs[ 4] -#define M68K_d3 uregs[ 3] -#define M68K_d2 uregs[ 2] -#define M68K_d1 uregs[ 1] -#define M68K_d0 uregs[ 0] - - -#ifdef __KERNEL__ - -#define user_mode(regs) \ - (((regs)->M68K_sr & SVR_MODE) == 0) - -#define processor_mode(regs) \ - ((regs)->M68K_sr & SVR_MODE) - -#define interrupts_enabled(regs) \ - (!((regs)->M68K_sr & IRQ_MASK)) - -#define condition_codes(regs) \ - ((regs)->M68K_sr & CC_MASK) - -/* Are the current registers suitable for user mode? - * (used to maintain security in signal handlers) - */ -static inline int valid_user_regs(struct pt_regs *regs) -{ - if ((regs->M68K_sr & SVR_MODE) == 0 && - (regs->M68K_sr & IRQ_MASK) == 7) - return 1; - - /* - * Force SR to something logical... - */ - regs->M68K_sr &= ~(CC_MASK); - - return 0; -} - -#endif /* __KERNEL__ */ - -#endif /* __ASSEMBLY__ */ - -#endif |