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linux-sg2042/arch/csky/kernel/asm-offsets.c

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csky: Misc headers This patch adds csky registers' definition, bitops, byteorder, asm-offsets codes. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2018-09-05 14:25:22 +08:00
// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
#include <linux/sched.h>
#include <linux/kernel_stat.h>
#include <linux/kbuild.h>
#include <abi/regdef.h>
int main(void)
{
/* offsets into the task struct */
DEFINE(TASK_STATE, offsetof(struct task_struct, state));
DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
DEFINE(TASK_MM, offsetof(struct task_struct, mm));
DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
/* offsets into the thread struct */
csky: Fixup gdbmacros.txt with name sp in thread_struct The gdbmacros.txt use sp in thread_struct, but csky use ksp. This cause bttnobp fail to excute. TODO: - Still couldn't display the contents of stack. Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
2020-05-14 16:04:31 +08:00
DEFINE(THREAD_KSP, offsetof(struct thread_struct, sp));
csky: Misc headers This patch adds csky registers' definition, bitops, byteorder, asm-offsets codes. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2018-09-05 14:25:22 +08:00
DEFINE(THREAD_FESR, offsetof(struct thread_struct, user_fp.fesr));
DEFINE(THREAD_FCR, offsetof(struct thread_struct, user_fp.fcr));
DEFINE(THREAD_FPREG, offsetof(struct thread_struct, user_fp.vr));
/* offsets into the thread_info struct */
DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags));
DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count));
DEFINE(TINFO_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
DEFINE(TINFO_TP_VALUE, offsetof(struct thread_info, tp_value));
DEFINE(TINFO_TASK, offsetof(struct thread_info, task));
/* offsets into the pt_regs */
DEFINE(PT_PC, offsetof(struct pt_regs, pc));
DEFINE(PT_ORIG_AO, offsetof(struct pt_regs, orig_a0));
DEFINE(PT_SR, offsetof(struct pt_regs, sr));
DEFINE(PT_A0, offsetof(struct pt_regs, a0));
DEFINE(PT_A1, offsetof(struct pt_regs, a1));
DEFINE(PT_A2, offsetof(struct pt_regs, a2));
DEFINE(PT_A3, offsetof(struct pt_regs, a3));
DEFINE(PT_REGS0, offsetof(struct pt_regs, regs[0]));
DEFINE(PT_REGS1, offsetof(struct pt_regs, regs[1]));
DEFINE(PT_REGS2, offsetof(struct pt_regs, regs[2]));
DEFINE(PT_REGS3, offsetof(struct pt_regs, regs[3]));
DEFINE(PT_REGS4, offsetof(struct pt_regs, regs[4]));
DEFINE(PT_REGS5, offsetof(struct pt_regs, regs[5]));
DEFINE(PT_REGS6, offsetof(struct pt_regs, regs[6]));
DEFINE(PT_REGS7, offsetof(struct pt_regs, regs[7]));
DEFINE(PT_REGS8, offsetof(struct pt_regs, regs[8]));
DEFINE(PT_REGS9, offsetof(struct pt_regs, regs[9]));
DEFINE(PT_R15, offsetof(struct pt_regs, lr));
#if defined(__CSKYABIV2__)
DEFINE(PT_R16, offsetof(struct pt_regs, exregs[0]));
DEFINE(PT_R17, offsetof(struct pt_regs, exregs[1]));
DEFINE(PT_R18, offsetof(struct pt_regs, exregs[2]));
DEFINE(PT_R19, offsetof(struct pt_regs, exregs[3]));
DEFINE(PT_R20, offsetof(struct pt_regs, exregs[4]));
DEFINE(PT_R21, offsetof(struct pt_regs, exregs[5]));
DEFINE(PT_R22, offsetof(struct pt_regs, exregs[6]));
DEFINE(PT_R23, offsetof(struct pt_regs, exregs[7]));
DEFINE(PT_R24, offsetof(struct pt_regs, exregs[8]));
DEFINE(PT_R25, offsetof(struct pt_regs, exregs[9]));
DEFINE(PT_R26, offsetof(struct pt_regs, exregs[10]));
DEFINE(PT_R27, offsetof(struct pt_regs, exregs[11]));
DEFINE(PT_R28, offsetof(struct pt_regs, exregs[12]));
DEFINE(PT_R29, offsetof(struct pt_regs, exregs[13]));
DEFINE(PT_R30, offsetof(struct pt_regs, exregs[14]));
DEFINE(PT_R31, offsetof(struct pt_regs, exregs[15]));
DEFINE(PT_RHI, offsetof(struct pt_regs, rhi));
DEFINE(PT_RLO, offsetof(struct pt_regs, rlo));
#endif
DEFINE(PT_USP, offsetof(struct pt_regs, usp));
csky: Implement ftrace with regs This patch implements FTRACE_WITH_REGS for csky, which allows a traced function's arguments (and some other registers) to be captured into a struct pt_regs, allowing these to be inspected and/or modified. Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
2020-02-18 20:27:39 +08:00
DEFINE(PT_FRAME_SIZE, sizeof(struct pt_regs));
csky: Misc headers This patch adds csky registers' definition, bitops, byteorder, asm-offsets codes. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2018-09-05 14:25:22 +08:00
/* offsets into the irq_cpustat_t struct */
DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t,
__softirq_pending));
/* signal defines */
DEFINE(SIGSEGV, SIGSEGV);
DEFINE(SIGTRAP, SIGTRAP);
return 0;
}