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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/target-arm/arch_dump.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/target-arm/arch_dump.c')
-rw-r--r--qemu/target-arm/arch_dump.c337
1 files changed, 0 insertions, 337 deletions
diff --git a/qemu/target-arm/arch_dump.c b/qemu/target-arm/arch_dump.c
deleted file mode 100644
index 1a9861f69..000000000
--- a/qemu/target-arm/arch_dump.c
+++ /dev/null
@@ -1,337 +0,0 @@
-/* Support for writing ELF notes for ARM architectures
- *
- * Copyright (C) 2015 Red Hat Inc.
- *
- * Author: Andrew Jones <drjones@redhat.com>
- *
- * This program 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.
- *
- * This program 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 this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "cpu.h"
-#include "elf.h"
-#include "sysemu/dump.h"
-
-/* struct user_pt_regs from arch/arm64/include/uapi/asm/ptrace.h */
-struct aarch64_user_regs {
- uint64_t regs[31];
- uint64_t sp;
- uint64_t pc;
- uint64_t pstate;
-} QEMU_PACKED;
-
-QEMU_BUILD_BUG_ON(sizeof(struct aarch64_user_regs) != 272);
-
-/* struct elf_prstatus from include/uapi/linux/elfcore.h */
-struct aarch64_elf_prstatus {
- char pad1[32]; /* 32 == offsetof(struct elf_prstatus, pr_pid) */
- uint32_t pr_pid;
- char pad2[76]; /* 76 == offsetof(struct elf_prstatus, pr_reg) -
- offsetof(struct elf_prstatus, pr_ppid) */
- struct aarch64_user_regs pr_reg;
- uint32_t pr_fpvalid;
- char pad3[4];
-} QEMU_PACKED;
-
-QEMU_BUILD_BUG_ON(sizeof(struct aarch64_elf_prstatus) != 392);
-
-/* struct user_fpsimd_state from arch/arm64/include/uapi/asm/ptrace.h
- *
- * While the vregs member of user_fpsimd_state is of type __uint128_t,
- * QEMU uses an array of uint64_t, where the high half of the 128-bit
- * value is always in the 2n+1'th index. Thus we also break the 128-
- * bit values into two halves in this reproduction of user_fpsimd_state.
- */
-struct aarch64_user_vfp_state {
- uint64_t vregs[64];
- uint32_t fpsr;
- uint32_t fpcr;
- char pad[8];
-} QEMU_PACKED;
-
-QEMU_BUILD_BUG_ON(sizeof(struct aarch64_user_vfp_state) != 528);
-
-struct aarch64_note {
- Elf64_Nhdr hdr;
- char name[8]; /* align_up(sizeof("CORE"), 4) */
- union {
- struct aarch64_elf_prstatus prstatus;
- struct aarch64_user_vfp_state vfp;
- };
-} QEMU_PACKED;
-
-#define AARCH64_NOTE_HEADER_SIZE offsetof(struct aarch64_note, prstatus)
-#define AARCH64_PRSTATUS_NOTE_SIZE \
- (AARCH64_NOTE_HEADER_SIZE + sizeof(struct aarch64_elf_prstatus))
-#define AARCH64_PRFPREG_NOTE_SIZE \
- (AARCH64_NOTE_HEADER_SIZE + sizeof(struct aarch64_user_vfp_state))
-
-static void aarch64_note_init(struct aarch64_note *note, DumpState *s,
- const char *name, Elf64_Word namesz,
- Elf64_Word type, Elf64_Word descsz)
-{
- memset(note, 0, sizeof(*note));
-
- note->hdr.n_namesz = cpu_to_dump32(s, namesz);
- note->hdr.n_descsz = cpu_to_dump32(s, descsz);
- note->hdr.n_type = cpu_to_dump32(s, type);
-
- memcpy(note->name, name, namesz);
-}
-
-static int aarch64_write_elf64_prfpreg(WriteCoreDumpFunction f,
- CPUARMState *env, int cpuid,
- DumpState *s)
-{
- struct aarch64_note note;
- int ret, i;
-
- aarch64_note_init(&note, s, "CORE", 5, NT_PRFPREG, sizeof(note.vfp));
-
- for (i = 0; i < 64; ++i) {
- note.vfp.vregs[i] = cpu_to_dump64(s, float64_val(env->vfp.regs[i]));
- }
-
- if (s->dump_info.d_endian == ELFDATA2MSB) {
- /* For AArch64 we must always swap the vfp.regs's 2n and 2n+1
- * entries when generating BE notes, because even big endian
- * hosts use 2n+1 for the high half.
- */
- for (i = 0; i < 32; ++i) {
- uint64_t tmp = note.vfp.vregs[2*i];
- note.vfp.vregs[2*i] = note.vfp.vregs[2*i+1];
- note.vfp.vregs[2*i+1] = tmp;
- }
- }
-
- note.vfp.fpsr = cpu_to_dump32(s, vfp_get_fpsr(env));
- note.vfp.fpcr = cpu_to_dump32(s, vfp_get_fpcr(env));
-
- ret = f(&note, AARCH64_PRFPREG_NOTE_SIZE, s);
- if (ret < 0) {
- return -1;
- }
-
- return 0;
-}
-
-int arm_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs,
- int cpuid, void *opaque)
-{
- struct aarch64_note note;
- CPUARMState *env = &ARM_CPU(cs)->env;
- DumpState *s = opaque;
- uint64_t pstate, sp;
- int ret, i;
-
- aarch64_note_init(&note, s, "CORE", 5, NT_PRSTATUS, sizeof(note.prstatus));
-
- note.prstatus.pr_pid = cpu_to_dump32(s, cpuid);
- note.prstatus.pr_fpvalid = cpu_to_dump32(s, 1);
-
- if (!is_a64(env)) {
- aarch64_sync_32_to_64(env);
- pstate = cpsr_read(env);
- sp = 0;
- } else {
- pstate = pstate_read(env);
- sp = env->xregs[31];
- }
-
- for (i = 0; i < 31; ++i) {
- note.prstatus.pr_reg.regs[i] = cpu_to_dump64(s, env->xregs[i]);
- }
- note.prstatus.pr_reg.sp = cpu_to_dump64(s, sp);
- note.prstatus.pr_reg.pc = cpu_to_dump64(s, env->pc);
- note.prstatus.pr_reg.pstate = cpu_to_dump64(s, pstate);
-
- ret = f(&note, AARCH64_PRSTATUS_NOTE_SIZE, s);
- if (ret < 0) {
- return -1;
- }
-
- return aarch64_write_elf64_prfpreg(f, env, cpuid, s);
-}
-
-/* struct pt_regs from arch/arm/include/asm/ptrace.h */
-struct arm_user_regs {
- uint32_t regs[17];
- char pad[4];
-} QEMU_PACKED;
-
-QEMU_BUILD_BUG_ON(sizeof(struct arm_user_regs) != 72);
-
-/* struct elf_prstatus from include/uapi/linux/elfcore.h */
-struct arm_elf_prstatus {
- char pad1[24]; /* 24 == offsetof(struct elf_prstatus, pr_pid) */
- uint32_t pr_pid;
- char pad2[44]; /* 44 == offsetof(struct elf_prstatus, pr_reg) -
- offsetof(struct elf_prstatus, pr_ppid) */
- struct arm_user_regs pr_reg;
- uint32_t pr_fpvalid;
-} QEMU_PACKED arm_elf_prstatus;
-
-QEMU_BUILD_BUG_ON(sizeof(struct arm_elf_prstatus) != 148);
-
-/* struct user_vfp from arch/arm/include/asm/user.h */
-struct arm_user_vfp_state {
- uint64_t vregs[32];
- uint32_t fpscr;
-} QEMU_PACKED;
-
-QEMU_BUILD_BUG_ON(sizeof(struct arm_user_vfp_state) != 260);
-
-struct arm_note {
- Elf32_Nhdr hdr;
- char name[8]; /* align_up(sizeof("LINUX"), 4) */
- union {
- struct arm_elf_prstatus prstatus;
- struct arm_user_vfp_state vfp;
- };
-} QEMU_PACKED;
-
-#define ARM_NOTE_HEADER_SIZE offsetof(struct arm_note, prstatus)
-#define ARM_PRSTATUS_NOTE_SIZE \
- (ARM_NOTE_HEADER_SIZE + sizeof(struct arm_elf_prstatus))
-#define ARM_VFP_NOTE_SIZE \
- (ARM_NOTE_HEADER_SIZE + sizeof(struct arm_user_vfp_state))
-
-static void arm_note_init(struct arm_note *note, DumpState *s,
- const char *name, Elf32_Word namesz,
- Elf32_Word type, Elf32_Word descsz)
-{
- memset(note, 0, sizeof(*note));
-
- note->hdr.n_namesz = cpu_to_dump32(s, namesz);
- note->hdr.n_descsz = cpu_to_dump32(s, descsz);
- note->hdr.n_type = cpu_to_dump32(s, type);
-
- memcpy(note->name, name, namesz);
-}
-
-static int arm_write_elf32_vfp(WriteCoreDumpFunction f, CPUARMState *env,
- int cpuid, DumpState *s)
-{
- struct arm_note note;
- int ret, i;
-
- arm_note_init(&note, s, "LINUX", 6, NT_ARM_VFP, sizeof(note.vfp));
-
- for (i = 0; i < 32; ++i) {
- note.vfp.vregs[i] = cpu_to_dump64(s, float64_val(env->vfp.regs[i]));
- }
-
- note.vfp.fpscr = cpu_to_dump32(s, vfp_get_fpscr(env));
-
- ret = f(&note, ARM_VFP_NOTE_SIZE, s);
- if (ret < 0) {
- return -1;
- }
-
- return 0;
-}
-
-int arm_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs,
- int cpuid, void *opaque)
-{
- struct arm_note note;
- CPUARMState *env = &ARM_CPU(cs)->env;
- DumpState *s = opaque;
- int ret, i, fpvalid = !!arm_feature(env, ARM_FEATURE_VFP);
-
- arm_note_init(&note, s, "CORE", 5, NT_PRSTATUS, sizeof(note.prstatus));
-
- note.prstatus.pr_pid = cpu_to_dump32(s, cpuid);
- note.prstatus.pr_fpvalid = cpu_to_dump32(s, fpvalid);
-
- for (i = 0; i < 16; ++i) {
- note.prstatus.pr_reg.regs[i] = cpu_to_dump32(s, env->regs[i]);
- }
- note.prstatus.pr_reg.regs[16] = cpu_to_dump32(s, cpsr_read(env));
-
- ret = f(&note, ARM_PRSTATUS_NOTE_SIZE, s);
- if (ret < 0) {
- return -1;
- } else if (fpvalid) {
- return arm_write_elf32_vfp(f, env, cpuid, s);
- }
-
- return 0;
-}
-
-int cpu_get_dump_info(ArchDumpInfo *info,
- const GuestPhysBlockList *guest_phys_blocks)
-{
- ARMCPU *cpu = ARM_CPU(first_cpu);
- CPUARMState *env = &cpu->env;
- GuestPhysBlock *block;
- hwaddr lowest_addr = ULLONG_MAX;
-
- /* Take a best guess at the phys_base. If we get it wrong then crash
- * will need '--machdep phys_offset=<phys-offset>' added to its command
- * line, which isn't any worse than assuming we can use zero, but being
- * wrong. This is the same algorithm the crash utility uses when
- * attempting to guess as it loads non-dumpfile formatted files.
- */
- QTAILQ_FOREACH(block, &guest_phys_blocks->head, next) {
- if (block->target_start < lowest_addr) {
- lowest_addr = block->target_start;
- }
- }
-
- if (arm_feature(env, ARM_FEATURE_AARCH64)) {
- info->d_machine = EM_AARCH64;
- info->d_class = ELFCLASS64;
- info->page_size = (1 << 16); /* aarch64 max pagesize */
- if (lowest_addr != ULLONG_MAX) {
- info->phys_base = lowest_addr;
- }
- } else {
- info->d_machine = EM_ARM;
- info->d_class = ELFCLASS32;
- info->page_size = (1 << 12);
- if (lowest_addr < UINT_MAX) {
- info->phys_base = lowest_addr;
- }
- }
-
- /* We assume the relevant endianness is that of EL1; this is right
- * for kernels, but might give the wrong answer if you're trying to
- * dump a hypervisor that happens to be running an opposite-endian
- * kernel.
- */
- info->d_endian = (env->cp15.sctlr_el[1] & SCTLR_EE) != 0
- ? ELFDATA2MSB : ELFDATA2LSB;
-
- return 0;
-}
-
-ssize_t cpu_get_note_size(int class, int machine, int nr_cpus)
-{
- ARMCPU *cpu = ARM_CPU(first_cpu);
- CPUARMState *env = &cpu->env;
- size_t note_size;
-
- if (class == ELFCLASS64) {
- note_size = AARCH64_PRSTATUS_NOTE_SIZE;
- note_size += AARCH64_PRFPREG_NOTE_SIZE;
- } else {
- note_size = ARM_PRSTATUS_NOTE_SIZE;
- if (arm_feature(env, ARM_FEATURE_VFP)) {
- note_size += ARM_VFP_NOTE_SIZE;
- }
- }
-
- return note_size * nr_cpus;
-}