diff options
Diffstat (limited to 'arch/loongarch/kernel/asm-offsets.c')
| -rw-r--r-- | arch/loongarch/kernel/asm-offsets.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/arch/loongarch/kernel/asm-offsets.c b/arch/loongarch/kernel/asm-offsets.c new file mode 100644 index 000000000..bdd88eda9 --- /dev/null +++ b/arch/loongarch/kernel/asm-offsets.c @@ -0,0 +1,259 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * asm-offsets.c: Calculate pt_regs and task_struct offsets. + * + * Copyright (C) 2020-2022 Loongson Technology Corporation Limited + */ +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/mm.h> +#include <linux/kbuild.h> +#include <linux/suspend.h> +#include <asm/cpu-info.h> +#include <asm/ptrace.h> +#include <asm/processor.h> + +void output_ptreg_defines(void) +{ + COMMENT("LoongArch pt_regs offsets."); + OFFSET(PT_R0, pt_regs, regs[0]); + OFFSET(PT_R1, pt_regs, regs[1]); + OFFSET(PT_R2, pt_regs, regs[2]); + OFFSET(PT_R3, pt_regs, regs[3]); + OFFSET(PT_R4, pt_regs, regs[4]); + OFFSET(PT_R5, pt_regs, regs[5]); + OFFSET(PT_R6, pt_regs, regs[6]); + OFFSET(PT_R7, pt_regs, regs[7]); + OFFSET(PT_R8, pt_regs, regs[8]); + OFFSET(PT_R9, pt_regs, regs[9]); + OFFSET(PT_R10, pt_regs, regs[10]); + OFFSET(PT_R11, pt_regs, regs[11]); + OFFSET(PT_R12, pt_regs, regs[12]); + OFFSET(PT_R13, pt_regs, regs[13]); + OFFSET(PT_R14, pt_regs, regs[14]); + OFFSET(PT_R15, pt_regs, regs[15]); + OFFSET(PT_R16, pt_regs, regs[16]); + OFFSET(PT_R17, pt_regs, regs[17]); + OFFSET(PT_R18, pt_regs, regs[18]); + OFFSET(PT_R19, pt_regs, regs[19]); + OFFSET(PT_R20, pt_regs, regs[20]); + OFFSET(PT_R21, pt_regs, regs[21]); + OFFSET(PT_R22, pt_regs, regs[22]); + OFFSET(PT_R23, pt_regs, regs[23]); + OFFSET(PT_R24, pt_regs, regs[24]); + OFFSET(PT_R25, pt_regs, regs[25]); + OFFSET(PT_R26, pt_regs, regs[26]); + OFFSET(PT_R27, pt_regs, regs[27]); + OFFSET(PT_R28, pt_regs, regs[28]); + OFFSET(PT_R29, pt_regs, regs[29]); + OFFSET(PT_R30, pt_regs, regs[30]); + OFFSET(PT_R31, pt_regs, regs[31]); + OFFSET(PT_CRMD, pt_regs, csr_crmd); + OFFSET(PT_PRMD, pt_regs, csr_prmd); + OFFSET(PT_EUEN, pt_regs, csr_euen); + OFFSET(PT_ECFG, pt_regs, csr_ecfg); + OFFSET(PT_ESTAT, pt_regs, csr_estat); + OFFSET(PT_ERA, pt_regs, csr_era); + OFFSET(PT_BVADDR, pt_regs, csr_badvaddr); + OFFSET(PT_ORIG_A0, pt_regs, orig_a0); + DEFINE(PT_SIZE, sizeof(struct pt_regs)); + BLANK(); +} + +void output_task_defines(void) +{ + COMMENT("LoongArch task_struct offsets."); + OFFSET(TASK_STATE, task_struct, __state); + OFFSET(TASK_THREAD_INFO, task_struct, stack); + OFFSET(TASK_FLAGS, task_struct, flags); + OFFSET(TASK_MM, task_struct, mm); + OFFSET(TASK_PID, task_struct, pid); + DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct)); + BLANK(); +} + +void output_thread_info_defines(void) +{ + COMMENT("LoongArch thread_info offsets."); + OFFSET(TI_TASK, thread_info, task); + OFFSET(TI_FLAGS, thread_info, flags); + OFFSET(TI_TP_VALUE, thread_info, tp_value); + OFFSET(TI_CPU, thread_info, cpu); + OFFSET(TI_PRE_COUNT, thread_info, preempt_count); + OFFSET(TI_REGS, thread_info, regs); + DEFINE(_THREAD_SIZE, THREAD_SIZE); + DEFINE(_THREAD_MASK, THREAD_MASK); + DEFINE(_IRQ_STACK_SIZE, IRQ_STACK_SIZE); + DEFINE(_IRQ_STACK_START, IRQ_STACK_START); + BLANK(); +} + +void output_thread_defines(void) +{ + COMMENT("LoongArch specific thread_struct offsets."); + OFFSET(THREAD_REG01, task_struct, thread.reg01); + OFFSET(THREAD_REG03, task_struct, thread.reg03); + OFFSET(THREAD_REG22, task_struct, thread.reg22); + OFFSET(THREAD_REG23, task_struct, thread.reg23); + OFFSET(THREAD_REG24, task_struct, thread.reg24); + OFFSET(THREAD_REG25, task_struct, thread.reg25); + OFFSET(THREAD_REG26, task_struct, thread.reg26); + OFFSET(THREAD_REG27, task_struct, thread.reg27); + OFFSET(THREAD_REG28, task_struct, thread.reg28); + OFFSET(THREAD_REG29, task_struct, thread.reg29); + OFFSET(THREAD_REG30, task_struct, thread.reg30); + OFFSET(THREAD_REG31, task_struct, thread.reg31); + OFFSET(THREAD_SCHED_RA, task_struct, thread.sched_ra); + OFFSET(THREAD_SCHED_CFA, task_struct, thread.sched_cfa); + OFFSET(THREAD_CSRCRMD, task_struct, + thread.csr_crmd); + OFFSET(THREAD_CSRPRMD, task_struct, + thread.csr_prmd); + OFFSET(THREAD_CSREUEN, task_struct, + thread.csr_euen); + OFFSET(THREAD_CSRECFG, task_struct, + thread.csr_ecfg); + + OFFSET(THREAD_SCR0, task_struct, thread.scr0); + OFFSET(THREAD_SCR1, task_struct, thread.scr1); + OFFSET(THREAD_SCR2, task_struct, thread.scr2); + OFFSET(THREAD_SCR3, task_struct, thread.scr3); + + OFFSET(THREAD_EFLAGS, task_struct, thread.eflags); + + OFFSET(THREAD_FPU, task_struct, thread.fpu); + + OFFSET(THREAD_BVADDR, task_struct, \ + thread.csr_badvaddr); + OFFSET(THREAD_ECODE, task_struct, \ + thread.error_code); + OFFSET(THREAD_TRAPNO, task_struct, thread.trap_nr); + BLANK(); +} + +void output_thread_fpu_defines(void) +{ + OFFSET(THREAD_FPR0, loongarch_fpu, fpr[0]); + OFFSET(THREAD_FPR1, loongarch_fpu, fpr[1]); + OFFSET(THREAD_FPR2, loongarch_fpu, fpr[2]); + OFFSET(THREAD_FPR3, loongarch_fpu, fpr[3]); + OFFSET(THREAD_FPR4, loongarch_fpu, fpr[4]); + OFFSET(THREAD_FPR5, loongarch_fpu, fpr[5]); + OFFSET(THREAD_FPR6, loongarch_fpu, fpr[6]); + OFFSET(THREAD_FPR7, loongarch_fpu, fpr[7]); + OFFSET(THREAD_FPR8, loongarch_fpu, fpr[8]); + OFFSET(THREAD_FPR9, loongarch_fpu, fpr[9]); + OFFSET(THREAD_FPR10, loongarch_fpu, fpr[10]); + OFFSET(THREAD_FPR11, loongarch_fpu, fpr[11]); + OFFSET(THREAD_FPR12, loongarch_fpu, fpr[12]); + OFFSET(THREAD_FPR13, loongarch_fpu, fpr[13]); + OFFSET(THREAD_FPR14, loongarch_fpu, fpr[14]); + OFFSET(THREAD_FPR15, loongarch_fpu, fpr[15]); + OFFSET(THREAD_FPR16, loongarch_fpu, fpr[16]); + OFFSET(THREAD_FPR17, loongarch_fpu, fpr[17]); + OFFSET(THREAD_FPR18, loongarch_fpu, fpr[18]); + OFFSET(THREAD_FPR19, loongarch_fpu, fpr[19]); + OFFSET(THREAD_FPR20, loongarch_fpu, fpr[20]); + OFFSET(THREAD_FPR21, loongarch_fpu, fpr[21]); + OFFSET(THREAD_FPR22, loongarch_fpu, fpr[22]); + OFFSET(THREAD_FPR23, loongarch_fpu, fpr[23]); + OFFSET(THREAD_FPR24, loongarch_fpu, fpr[24]); + OFFSET(THREAD_FPR25, loongarch_fpu, fpr[25]); + OFFSET(THREAD_FPR26, loongarch_fpu, fpr[26]); + OFFSET(THREAD_FPR27, loongarch_fpu, fpr[27]); + OFFSET(THREAD_FPR28, loongarch_fpu, fpr[28]); + OFFSET(THREAD_FPR29, loongarch_fpu, fpr[29]); + OFFSET(THREAD_FPR30, loongarch_fpu, fpr[30]); + OFFSET(THREAD_FPR31, loongarch_fpu, fpr[31]); + + OFFSET(THREAD_FCSR, loongarch_fpu, fcsr); + OFFSET(THREAD_FCC, loongarch_fpu, fcc); + BLANK(); +} + +void output_mm_defines(void) +{ + COMMENT("Size of struct page"); + DEFINE(STRUCT_PAGE_SIZE, sizeof(struct page)); + BLANK(); + COMMENT("Linux mm_struct offsets."); + OFFSET(MM_USERS, mm_struct, mm_users); + OFFSET(MM_PGD, mm_struct, pgd); + OFFSET(MM_CONTEXT, mm_struct, context); + BLANK(); + DEFINE(_PGD_T_SIZE, sizeof(pgd_t)); + DEFINE(_PMD_T_SIZE, sizeof(pmd_t)); + DEFINE(_PTE_T_SIZE, sizeof(pte_t)); + BLANK(); + DEFINE(_PGD_T_LOG2, PGD_T_LOG2); +#ifndef __PAGETABLE_PMD_FOLDED + DEFINE(_PMD_T_LOG2, PMD_T_LOG2); +#endif + DEFINE(_PTE_T_LOG2, PTE_T_LOG2); + BLANK(); + DEFINE(_PMD_SHIFT, PMD_SHIFT); + DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT); + BLANK(); + DEFINE(_PTRS_PER_PGD, PTRS_PER_PGD); + DEFINE(_PTRS_PER_PMD, PTRS_PER_PMD); + DEFINE(_PTRS_PER_PTE, PTRS_PER_PTE); + BLANK(); + DEFINE(_PAGE_SHIFT, PAGE_SHIFT); + DEFINE(_PAGE_SIZE, PAGE_SIZE); + BLANK(); +} + +void output_sc_defines(void) +{ + COMMENT("Linux sigcontext offsets."); + OFFSET(SC_REGS, sigcontext, sc_regs); + OFFSET(SC_PC, sigcontext, sc_pc); + BLANK(); +} + +void output_signal_defines(void) +{ + COMMENT("Linux signal numbers."); + DEFINE(_SIGHUP, SIGHUP); + DEFINE(_SIGINT, SIGINT); + DEFINE(_SIGQUIT, SIGQUIT); + DEFINE(_SIGILL, SIGILL); + DEFINE(_SIGTRAP, SIGTRAP); + DEFINE(_SIGIOT, SIGIOT); + DEFINE(_SIGABRT, SIGABRT); + DEFINE(_SIGFPE, SIGFPE); + DEFINE(_SIGKILL, SIGKILL); + DEFINE(_SIGBUS, SIGBUS); + DEFINE(_SIGSEGV, SIGSEGV); + DEFINE(_SIGSYS, SIGSYS); + DEFINE(_SIGPIPE, SIGPIPE); + DEFINE(_SIGALRM, SIGALRM); + DEFINE(_SIGTERM, SIGTERM); + DEFINE(_SIGUSR1, SIGUSR1); + DEFINE(_SIGUSR2, SIGUSR2); + DEFINE(_SIGCHLD, SIGCHLD); + DEFINE(_SIGPWR, SIGPWR); + DEFINE(_SIGWINCH, SIGWINCH); + DEFINE(_SIGURG, SIGURG); + DEFINE(_SIGIO, SIGIO); + DEFINE(_SIGSTOP, SIGSTOP); + DEFINE(_SIGTSTP, SIGTSTP); + DEFINE(_SIGCONT, SIGCONT); + DEFINE(_SIGTTIN, SIGTTIN); + DEFINE(_SIGTTOU, SIGTTOU); + DEFINE(_SIGVTALRM, SIGVTALRM); + DEFINE(_SIGPROF, SIGPROF); + DEFINE(_SIGXCPU, SIGXCPU); + DEFINE(_SIGXFSZ, SIGXFSZ); + BLANK(); +} + +#ifdef CONFIG_SMP +void output_smpboot_defines(void) +{ + COMMENT("Linux smp cpu boot offsets."); + OFFSET(CPU_BOOT_STACK, secondary_data, stack); + OFFSET(CPU_BOOT_TINFO, secondary_data, thread_info); + BLANK(); +} +#endif |