diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/kernel/asm-offsets.c')
| -rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/kernel/asm-offsets.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/kernel/asm-offsets.c b/target/linux/ubicom32/files/arch/ubicom32/kernel/asm-offsets.c new file mode 100644 index 000000000..639a536a1 --- /dev/null +++ b/target/linux/ubicom32/files/arch/ubicom32/kernel/asm-offsets.c @@ -0,0 +1,161 @@ +/* + * arch/ubicom32/kernel/asm-offsets.c + * Ubicom32 architecture definitions needed by assembly language modules. + * + * (C) Copyright 2009, Ubicom, Inc. + * + * This file is part of the Ubicom32 Linux Kernel Port. + * + * The Ubicom32 Linux Kernel Port 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. + * + * The Ubicom32 Linux Kernel Port 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 the Ubicom32 Linux Kernel Port. If not, + * see <http://www.gnu.org/licenses/>. + * + * Ubicom32 implementation derived from (with many thanks): + * arch/m68knommu + * arch/blackfin + * arch/parisc + */ +/* + * This program is used to generate definitions needed by + * assembly language modules. + * + * We use the technique used in the OSF Mach kernel code: + * generate asm statements containing #defines, + * compile this file to assembler, and then extract the + * #defines from the assembly-language output. + */ + +#include <linux/module.h> +#include <linux/stddef.h> +#include <linux/sched.h> +#include <linux/kernel_stat.h> +#include <linux/ptrace.h> +#include <linux/hardirq.h> +#include <asm/bootinfo.h> +#include <asm/irq.h> +#include <asm/thread_info.h> + +#define DEFINE(sym, val) \ + asm volatile("\n->" #sym " %0 " #val : : "i" (val)) + +#define BLANK() asm volatile("\n->" : : ) + +int main(void) +{ + /* offsets into the task struct */ + DEFINE(TASK_STATE, offsetof(struct task_struct, state)); + DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags)); + DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace)); + DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked)); + DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); + DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack)); + DEFINE(TASK_MM, offsetof(struct task_struct, mm)); + DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); + + /* offsets into the kernel_stat struct */ +// DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs)); + + /* offsets into the irq_cpustat_t struct */ + DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending)); + + /* offsets into the thread struct */ + DEFINE(THREAD_D10, offsetof(struct thread_struct, d10)); + DEFINE(THREAD_D11, offsetof(struct thread_struct, d11)); + DEFINE(THREAD_D12, offsetof(struct thread_struct, d12)); + DEFINE(THREAD_D13, offsetof(struct thread_struct, d13)); + DEFINE(THREAD_A1, offsetof(struct thread_struct, a1)); + DEFINE(THREAD_A2, offsetof(struct thread_struct, a2)); + DEFINE(THREAD_A5, offsetof(struct thread_struct, a5)); + DEFINE(THREAD_A6, offsetof(struct thread_struct, a6)); + DEFINE(THREAD_SP, offsetof(struct thread_struct, sp)); + + /* offsets into the pt_regs */ + DEFINE(PT_D0, offsetof(struct pt_regs, dn[0])); + DEFINE(PT_D1, offsetof(struct pt_regs, dn[1])); + DEFINE(PT_D2, offsetof(struct pt_regs, dn[2])); + DEFINE(PT_D3, offsetof(struct pt_regs, dn[3])); + DEFINE(PT_D4, offsetof(struct pt_regs, dn[4])); + DEFINE(PT_D5, offsetof(struct pt_regs, dn[5])); + DEFINE(PT_D6, offsetof(struct pt_regs, dn[6])); + DEFINE(PT_D7, offsetof(struct pt_regs, dn[7])); + DEFINE(PT_D8, offsetof(struct pt_regs, dn[8])); + DEFINE(PT_D9, offsetof(struct pt_regs, dn[9])); + DEFINE(PT_D10, offsetof(struct pt_regs, dn[10])); + DEFINE(PT_D11, offsetof(struct pt_regs, dn[11])); + DEFINE(PT_D12, offsetof(struct pt_regs, dn[12])); + DEFINE(PT_D13, offsetof(struct pt_regs, dn[13])); + DEFINE(PT_D14, offsetof(struct pt_regs, dn[14])); + DEFINE(PT_D15, offsetof(struct pt_regs, dn[15])); + DEFINE(PT_A0, offsetof(struct pt_regs, an[0])); + DEFINE(PT_A1, offsetof(struct pt_regs, an[1])); + DEFINE(PT_A2, offsetof(struct pt_regs, an[2])); + DEFINE(PT_A3, offsetof(struct pt_regs, an[3])); + DEFINE(PT_A4, offsetof(struct pt_regs, an[4])); + DEFINE(PT_A5, offsetof(struct pt_regs, an[5])); + DEFINE(PT_A6, offsetof(struct pt_regs, an[6])); + DEFINE(PT_A7, offsetof(struct pt_regs, an[7])); + DEFINE(PT_SP, offsetof(struct pt_regs, an[7])); + + DEFINE(PT_ACC0HI, offsetof(struct pt_regs, acc0[0])); + DEFINE(PT_ACC0LO, offsetof(struct pt_regs, acc0[1])); + DEFINE(PT_MAC_RC16, offsetof(struct pt_regs, mac_rc16)); + + DEFINE(PT_ACC1HI, offsetof(struct pt_regs, acc1[0])); + DEFINE(PT_ACC1LO, offsetof(struct pt_regs, acc1[1])); + + DEFINE(PT_SOURCE3, offsetof(struct pt_regs, source3)); + DEFINE(PT_INST_CNT, offsetof(struct pt_regs, inst_cnt)); + DEFINE(PT_CSR, offsetof(struct pt_regs, csr)); + DEFINE(PT_DUMMY_UNUSED, offsetof(struct pt_regs, dummy_unused)); + + DEFINE(PT_INT_MASK0, offsetof(struct pt_regs, int_mask0)); + DEFINE(PT_INT_MASK1, offsetof(struct pt_regs, int_mask1)); + + DEFINE(PT_PC, offsetof(struct pt_regs, pc)); + + DEFINE(PT_TRAP_CAUSE, offsetof(struct pt_regs, trap_cause)); + + DEFINE(PT_SIZE, sizeof(struct pt_regs)); + + DEFINE(PT_FRAME_TYPE, offsetof(struct pt_regs, frame_type)); + + DEFINE(PT_ORIGINAL_D0, offsetof(struct pt_regs, original_dn_0)); + DEFINE(PT_PREVIOUS_PC, offsetof(struct pt_regs, previous_pc)); + + /* offsets into the kernel_stat struct */ +// DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs)); + + /* signal defines */ + DEFINE(SIGSEGV, SIGSEGV); + //DEFINE(SEGV_MAPERR, SEGV_MAPERR); + DEFINE(SIGTRAP, SIGTRAP); + //DEFINE(TRAP_TRACE, TRAP_TRACE); + + DEFINE(PT_PTRACED, PT_PTRACED); + DEFINE(PT_DTRACE, PT_DTRACE); + + DEFINE(ASM_THREAD_SIZE, THREAD_SIZE); + + /* Offsets in thread_info structure */ + DEFINE(TI_TASK, offsetof(struct thread_info, task)); + DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain)); + DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); + DEFINE(TI_PREEMPTCOUNT, offsetof(struct thread_info, preempt_count)); + DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); + DEFINE(TI_INTR_NESTING, offsetof(struct thread_info, interrupt_nesting)); + DEFINE(ASM_TIF_NEED_RESCHED, TIF_NEED_RESCHED); + DEFINE(ASM_TIF_SYSCALL_TRACE, TIF_SYSCALL_TRACE); + DEFINE(ASM_TIF_SIGPENDING, TIF_SIGPENDING); + + return 0; +} |