mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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1a29ef8e97
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19815 3c298f89-4303-0410-b956-a3cf2f4a3e73
162 lines
6.1 KiB
C
162 lines
6.1 KiB
C
/*
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* arch/ubicom32/kernel/asm-offsets.c
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* Ubicom32 architecture definitions needed by assembly language modules.
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*
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* (C) Copyright 2009, Ubicom, Inc.
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*
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* This file is part of the Ubicom32 Linux Kernel Port.
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*
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* The Ubicom32 Linux Kernel Port is free software: you can redistribute
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* it and/or modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 2 of the
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* License, or (at your option) any later version.
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*
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* The Ubicom32 Linux Kernel Port is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the Ubicom32 Linux Kernel Port. If not,
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* see <http://www.gnu.org/licenses/>.
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*
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* Ubicom32 implementation derived from (with many thanks):
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* arch/m68knommu
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* arch/blackfin
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* arch/parisc
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*/
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/*
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* This program is used to generate definitions needed by
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* assembly language modules.
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*
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* We use the technique used in the OSF Mach kernel code:
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* generate asm statements containing #defines,
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* compile this file to assembler, and then extract the
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* #defines from the assembly-language output.
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*/
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#include <linux/module.h>
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#include <linux/stddef.h>
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#include <linux/sched.h>
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#include <linux/kernel_stat.h>
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#include <linux/ptrace.h>
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#include <linux/hardirq.h>
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#include <asm/bootinfo.h>
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#include <asm/irq.h>
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#include <asm/thread_info.h>
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#define DEFINE(sym, val) \
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asm volatile("\n->" #sym " %0 " #val : : "i" (val))
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#define BLANK() asm volatile("\n->" : : )
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int main(void)
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{
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/* offsets into the task struct */
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DEFINE(TASK_STATE, offsetof(struct task_struct, state));
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DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
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DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
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DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
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DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
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DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
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DEFINE(TASK_MM, offsetof(struct task_struct, mm));
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DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
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/* offsets into the kernel_stat struct */
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// DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
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/* offsets into the irq_cpustat_t struct */
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DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
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/* offsets into the thread struct */
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DEFINE(THREAD_D10, offsetof(struct thread_struct, d10));
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DEFINE(THREAD_D11, offsetof(struct thread_struct, d11));
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DEFINE(THREAD_D12, offsetof(struct thread_struct, d12));
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DEFINE(THREAD_D13, offsetof(struct thread_struct, d13));
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DEFINE(THREAD_A1, offsetof(struct thread_struct, a1));
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DEFINE(THREAD_A2, offsetof(struct thread_struct, a2));
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DEFINE(THREAD_A5, offsetof(struct thread_struct, a5));
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DEFINE(THREAD_A6, offsetof(struct thread_struct, a6));
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DEFINE(THREAD_SP, offsetof(struct thread_struct, sp));
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/* offsets into the pt_regs */
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DEFINE(PT_D0, offsetof(struct pt_regs, dn[0]));
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DEFINE(PT_D1, offsetof(struct pt_regs, dn[1]));
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DEFINE(PT_D2, offsetof(struct pt_regs, dn[2]));
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DEFINE(PT_D3, offsetof(struct pt_regs, dn[3]));
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DEFINE(PT_D4, offsetof(struct pt_regs, dn[4]));
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DEFINE(PT_D5, offsetof(struct pt_regs, dn[5]));
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DEFINE(PT_D6, offsetof(struct pt_regs, dn[6]));
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DEFINE(PT_D7, offsetof(struct pt_regs, dn[7]));
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DEFINE(PT_D8, offsetof(struct pt_regs, dn[8]));
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DEFINE(PT_D9, offsetof(struct pt_regs, dn[9]));
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DEFINE(PT_D10, offsetof(struct pt_regs, dn[10]));
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DEFINE(PT_D11, offsetof(struct pt_regs, dn[11]));
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DEFINE(PT_D12, offsetof(struct pt_regs, dn[12]));
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DEFINE(PT_D13, offsetof(struct pt_regs, dn[13]));
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DEFINE(PT_D14, offsetof(struct pt_regs, dn[14]));
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DEFINE(PT_D15, offsetof(struct pt_regs, dn[15]));
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DEFINE(PT_A0, offsetof(struct pt_regs, an[0]));
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DEFINE(PT_A1, offsetof(struct pt_regs, an[1]));
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DEFINE(PT_A2, offsetof(struct pt_regs, an[2]));
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DEFINE(PT_A3, offsetof(struct pt_regs, an[3]));
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DEFINE(PT_A4, offsetof(struct pt_regs, an[4]));
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DEFINE(PT_A5, offsetof(struct pt_regs, an[5]));
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DEFINE(PT_A6, offsetof(struct pt_regs, an[6]));
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DEFINE(PT_A7, offsetof(struct pt_regs, an[7]));
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DEFINE(PT_SP, offsetof(struct pt_regs, an[7]));
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DEFINE(PT_ACC0HI, offsetof(struct pt_regs, acc0[0]));
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DEFINE(PT_ACC0LO, offsetof(struct pt_regs, acc0[1]));
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DEFINE(PT_MAC_RC16, offsetof(struct pt_regs, mac_rc16));
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DEFINE(PT_ACC1HI, offsetof(struct pt_regs, acc1[0]));
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DEFINE(PT_ACC1LO, offsetof(struct pt_regs, acc1[1]));
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DEFINE(PT_SOURCE3, offsetof(struct pt_regs, source3));
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DEFINE(PT_INST_CNT, offsetof(struct pt_regs, inst_cnt));
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DEFINE(PT_CSR, offsetof(struct pt_regs, csr));
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DEFINE(PT_DUMMY_UNUSED, offsetof(struct pt_regs, dummy_unused));
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DEFINE(PT_INT_MASK0, offsetof(struct pt_regs, int_mask0));
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DEFINE(PT_INT_MASK1, offsetof(struct pt_regs, int_mask1));
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DEFINE(PT_PC, offsetof(struct pt_regs, pc));
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DEFINE(PT_TRAP_CAUSE, offsetof(struct pt_regs, trap_cause));
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DEFINE(PT_SIZE, sizeof(struct pt_regs));
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DEFINE(PT_FRAME_TYPE, offsetof(struct pt_regs, frame_type));
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DEFINE(PT_ORIGINAL_D0, offsetof(struct pt_regs, original_dn_0));
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DEFINE(PT_PREVIOUS_PC, offsetof(struct pt_regs, previous_pc));
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/* offsets into the kernel_stat struct */
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// DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
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/* signal defines */
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DEFINE(SIGSEGV, SIGSEGV);
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//DEFINE(SEGV_MAPERR, SEGV_MAPERR);
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DEFINE(SIGTRAP, SIGTRAP);
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//DEFINE(TRAP_TRACE, TRAP_TRACE);
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DEFINE(PT_PTRACED, PT_PTRACED);
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DEFINE(PT_DTRACE, PT_DTRACE);
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DEFINE(ASM_THREAD_SIZE, THREAD_SIZE);
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/* Offsets in thread_info structure */
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DEFINE(TI_TASK, offsetof(struct thread_info, task));
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DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
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DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
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DEFINE(TI_PREEMPTCOUNT, offsetof(struct thread_info, preempt_count));
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DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
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DEFINE(TI_INTR_NESTING, offsetof(struct thread_info, interrupt_nesting));
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DEFINE(ASM_TIF_NEED_RESCHED, TIF_NEED_RESCHED);
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DEFINE(ASM_TIF_SYSCALL_TRACE, TIF_SYSCALL_TRACE);
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DEFINE(ASM_TIF_SIGPENDING, TIF_SIGPENDING);
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return 0;
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}
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