diff options
Diffstat (limited to 'arch/cris/include/arch-v32/arch/processor.h')
-rw-r--r-- | arch/cris/include/arch-v32/arch/processor.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/cris/include/arch-v32/arch/processor.h b/arch/cris/include/arch-v32/arch/processor.h deleted file mode 100644 index 554088ab5f01..000000000000 --- a/arch/cris/include/arch-v32/arch/processor.h +++ /dev/null @@ -1,54 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_CRIS_ARCH_PROCESSOR_H -#define _ASM_CRIS_ARCH_PROCESSOR_H - - -/* Return current instruction pointer. */ -#define current_text_addr() \ - ({void *pc; __asm__ __volatile__ ("lapcq .,%0" : "=rm" (pc)); pc;}) - -/* - * Since CRIS doesn't do hardware task-switching this hasn't really anything to - * do with the proccessor itself, it's just here for legacy reasons. This is - * used when task-switching using _resume defined in entry.S. The offsets here - * are hardcoded into _resume, so if this struct is changed, entry.S needs to be - * changed as well. - */ -struct thread_struct { - unsigned long ksp; /* Kernel stack pointer. */ - unsigned long usp; /* User stack pointer. */ - unsigned long ccs; /* Saved flags register. */ -}; - -/* - * User-space process size. This is hardcoded into a few places, so don't - * change it unless everything's clear! - */ -#define TASK_SIZE (0xB0000000UL) - -#define INIT_THREAD { } - -#define KSTK_EIP(tsk) \ -({ \ - unsigned long eip = 0; \ - unsigned long regs = (unsigned long)task_pt_regs(tsk); \ - if (regs > PAGE_SIZE && virt_addr_valid(regs)) \ - eip = ((struct pt_regs *)regs)->erp; \ - eip; \ -}) - -/* - * Give the thread a program location, set user-mode and switch user - * stackpointer. - */ -#define start_thread(regs, ip, usp) \ -do { \ - regs->erp = ip; \ - regs->ccs |= 1 << (U_CCS_BITNR + CCS_SHIFT); \ - wrusp(usp); \ -} while(0) - -/* Nothing special to do for v32 when handling a kernel bus fault fixup. */ -#define arch_fixup(regs) {}; - -#endif /* _ASM_CRIS_ARCH_PROCESSOR_H */ |