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74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#include "qemu/osdep.h"
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#include "qemu/error-report.h"
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#include "qemu.h"
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#include "loader.h"
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#include "target_elf.h"
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const char *get_elf_cpu_model(uint32_t eflags)
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{
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return "max";
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}
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abi_ulong get_elf_hwcap(CPUState *cs)
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{
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return cpu_env(cs)->features[FEAT_1_EDX];
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}
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const char *get_elf_platform(CPUState *cs)
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{
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return "x86_64";
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}
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bool init_guest_commpage(void)
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{
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/*
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* The vsyscall page is at a high negative address aka kernel space,
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* which means that we cannot actually allocate it with target_mmap.
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* We still should be able to use page_set_flags, unless the user
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* has specified -R reserved_va, which would trigger an assert().
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*/
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if (reserved_va != 0 &&
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TARGET_VSYSCALL_PAGE + TARGET_PAGE_SIZE - 1 > reserved_va) {
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error_report("Cannot allocate vsyscall page");
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exit(EXIT_FAILURE);
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}
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page_set_flags(TARGET_VSYSCALL_PAGE,
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TARGET_VSYSCALL_PAGE | ~TARGET_PAGE_MASK,
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PAGE_EXEC | PAGE_VALID);
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return true;
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}
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void elf_core_copy_regs(target_elf_gregset_t *r, const CPUX86State *env)
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{
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r->pt.r15 = tswapal(env->regs[15]);
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r->pt.r14 = tswapal(env->regs[14]);
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r->pt.r13 = tswapal(env->regs[13]);
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r->pt.r12 = tswapal(env->regs[12]);
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r->pt.bp = tswapal(env->regs[R_EBP]);
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r->pt.bx = tswapal(env->regs[R_EBX]);
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r->pt.r11 = tswapal(env->regs[11]);
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r->pt.r10 = tswapal(env->regs[10]);
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r->pt.r9 = tswapal(env->regs[9]);
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r->pt.r8 = tswapal(env->regs[8]);
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r->pt.ax = tswapal(env->regs[R_EAX]);
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r->pt.cx = tswapal(env->regs[R_ECX]);
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r->pt.dx = tswapal(env->regs[R_EDX]);
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r->pt.si = tswapal(env->regs[R_ESI]);
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r->pt.di = tswapal(env->regs[R_EDI]);
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r->pt.orig_ax = tswapal(get_task_state(env_cpu_const(env))->orig_ax);
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r->pt.ip = tswapal(env->eip);
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r->pt.cs = tswapal(env->segs[R_CS].selector & 0xffff);
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r->pt.flags = tswapal(env->eflags);
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r->pt.sp = tswapal(env->regs[R_ESP]);
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r->pt.ss = tswapal(env->segs[R_SS].selector & 0xffff);
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r->pt.fs_base = tswapal(env->segs[R_FS].base);
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r->pt.gs_base = tswapal(env->segs[R_GS].base);
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r->pt.ds = tswapal(env->segs[R_DS].selector & 0xffff);
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r->pt.es = tswapal(env->segs[R_ES].selector & 0xffff);
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r->pt.fs = tswapal(env->segs[R_FS].selector & 0xffff);
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r->pt.gs = tswapal(env->segs[R_GS].selector & 0xffff);
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}
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