128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef __ASM_SH_PROCESSOR_64_H
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#define __ASM_SH_PROCESSOR_64_H
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#ifndef __ASSEMBLY__
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#include <linux/compiler.h>
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#include <asm/page.h>
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#include <asm/types.h>
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#include <asm/cache.h>
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#include <asm/ptrace.h>
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#include <cpu/registers.h>
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#define current_text_addr() ({ void *pc; unsigned long long __dummy = 0; __asm__("gettr tr0, %1\n\t" "pta 4, tr0\n\t" "gettr tr0, %0\n\t" "ptabs %1, tr0\n\t" :"=r" (pc), "=r" (__dummy) : "1" (__dummy)); pc; })
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struct tlb_info {
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unsigned long long next;
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unsigned long long first;
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unsigned long long last;
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unsigned int entries;
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unsigned int step;
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unsigned long flags;
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};
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struct sh_cpuinfo {
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enum cpu_type type;
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unsigned long loops_per_jiffy;
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unsigned long asid_cache;
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unsigned int cpu_clock, master_clock, bus_clock, module_clock;
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struct cache_info icache;
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struct cache_info dcache;
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struct cache_info scache;
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struct tlb_info itlb;
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struct tlb_info dtlb;
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unsigned long flags;
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};
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#define boot_cpu_data cpu_data[0]
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#define current_cpu_data cpu_data[smp_processor_id()]
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#define raw_current_cpu_data cpu_data[raw_smp_processor_id()]
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#endif
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#define TASK_SIZE 0x7ffff000UL
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#define STACK_TOP TASK_SIZE
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#define STACK_TOP_MAX STACK_TOP
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#define TASK_UNMAPPED_BASE (TASK_SIZE / 3)
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#define SR_MMU 0x80000000
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#define SR_IMASK 0x000000f0
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#define SR_FD 0x00008000
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#define SR_SSTEP 0x08000000
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#ifndef __ASSEMBLY__
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struct sh_fpu_hard_struct {
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unsigned long fp_regs[64];
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unsigned int fpscr;
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};
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union sh_fpu_union {
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struct sh_fpu_hard_struct hard;
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unsigned long long alignment_dummy;
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};
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struct thread_struct {
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unsigned long sp;
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unsigned long pc;
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struct pt_regs *kregs;
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struct pt_regs *uregs;
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unsigned long trap_no, error_code;
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unsigned long address;
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union sh_fpu_union fpu;
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};
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#define INIT_MMAP { &init_mm, 0, 0, NULL, PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, 1, NULL, NULL }
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#define INIT_THREAD { .sp = sizeof(init_stack) + (long) &init_stack, .pc = 0, .kregs = &fake_swapper_regs, .uregs = NULL, .trap_no = 0, .error_code = 0, .address = 0, .fpu = { { { 0, } }, } }
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#define SR_USER (SR_MMU | SR_FD)
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#define start_thread(regs, new_pc, new_sp) set_fs(USER_DS); regs->sr = SR_USER; regs->pc = new_pc - 4; regs->pc |= 1; regs->regs[18] = 0; regs->regs[15] = new_sp
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struct task_struct;
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struct mm_struct;
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#define copy_segments(p, mm) do { } while (0)
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#define release_segments(mm) do { } while (0)
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#define forget_segments() do { } while (0)
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#define prepare_to_copy(tsk) do { } while (0)
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#define FPSCR_INIT 0x00000000
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#define thread_saved_pc(tsk) (tsk->thread.pc)
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#define KSTK_EIP(tsk) ((tsk)->thread.pc)
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#define KSTK_ESP(tsk) ((tsk)->thread.sp)
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#define cpu_relax() barrier()
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#endif
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#endif
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