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>

1 files changed, 0 insertions, 651 deletions

diff --git a/qemu/target-arm/arm-semi.c b/qemu/target-arm/arm-semi.c
deleted file mode 100644
index 8be0645eb..000000000
--- a/qemu/target-arm/arm-semi.c
+++ /dev/null
@@ -1,651 +0,0 @@
-/*
- *  Arm "Angel" semihosting syscalls
- *
- *  Copyright (c) 2005, 2007 CodeSourcery.
- *  Written by Paul Brook.
- *
- *  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 "exec/semihost.h"
-#ifdef CONFIG_USER_ONLY
-#include "qemu.h"
-
-#define ARM_ANGEL_HEAP_SIZE (128 * 1024 * 1024)
-#else
-#include "qemu-common.h"
-#include "exec/gdbstub.h"
-#include "hw/arm/arm.h"
-#include "qemu/cutils.h"
-#endif
-
-#define TARGET_SYS_OPEN        0x01
-#define TARGET_SYS_CLOSE       0x02
-#define TARGET_SYS_WRITEC      0x03
-#define TARGET_SYS_WRITE0      0x04
-#define TARGET_SYS_WRITE       0x05
-#define TARGET_SYS_READ        0x06
-#define TARGET_SYS_READC       0x07
-#define TARGET_SYS_ISTTY       0x09
-#define TARGET_SYS_SEEK        0x0a
-#define TARGET_SYS_FLEN        0x0c
-#define TARGET_SYS_TMPNAM      0x0d
-#define TARGET_SYS_REMOVE      0x0e
-#define TARGET_SYS_RENAME      0x0f
-#define TARGET_SYS_CLOCK       0x10
-#define TARGET_SYS_TIME        0x11
-#define TARGET_SYS_SYSTEM      0x12
-#define TARGET_SYS_ERRNO       0x13
-#define TARGET_SYS_GET_CMDLINE 0x15
-#define TARGET_SYS_HEAPINFO    0x16
-#define TARGET_SYS_EXIT        0x18
-#define TARGET_SYS_SYNCCACHE   0x19
-
-/* ADP_Stopped_ApplicationExit is used for exit(0),
- * anything else is implemented as exit(1) */
-#define ADP_Stopped_ApplicationExit     (0x20026)
-
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
-#define GDB_O_RDONLY  0x000
-#define GDB_O_WRONLY  0x001
-#define GDB_O_RDWR    0x002
-#define GDB_O_APPEND  0x008
-#define GDB_O_CREAT   0x200
-#define GDB_O_TRUNC   0x400
-#define GDB_O_BINARY  0
-
-static int gdb_open_modeflags[12] = {
-    GDB_O_RDONLY,
-    GDB_O_RDONLY | GDB_O_BINARY,
-    GDB_O_RDWR,
-    GDB_O_RDWR | GDB_O_BINARY,
-    GDB_O_WRONLY | GDB_O_CREAT | GDB_O_TRUNC,
-    GDB_O_WRONLY | GDB_O_CREAT | GDB_O_TRUNC | GDB_O_BINARY,
-    GDB_O_RDWR | GDB_O_CREAT | GDB_O_TRUNC,
-    GDB_O_RDWR | GDB_O_CREAT | GDB_O_TRUNC | GDB_O_BINARY,
-    GDB_O_WRONLY | GDB_O_CREAT | GDB_O_APPEND,
-    GDB_O_WRONLY | GDB_O_CREAT | GDB_O_APPEND | GDB_O_BINARY,
-    GDB_O_RDWR | GDB_O_CREAT | GDB_O_APPEND,
-    GDB_O_RDWR | GDB_O_CREAT | GDB_O_APPEND | GDB_O_BINARY
-};
-
-static int open_modeflags[12] = {
-    O_RDONLY,
-    O_RDONLY | O_BINARY,
-    O_RDWR,
-    O_RDWR | O_BINARY,
-    O_WRONLY | O_CREAT | O_TRUNC,
-    O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
-    O_RDWR | O_CREAT | O_TRUNC,
-    O_RDWR | O_CREAT | O_TRUNC | O_BINARY,
-    O_WRONLY | O_CREAT | O_APPEND,
-    O_WRONLY | O_CREAT | O_APPEND | O_BINARY,
-    O_RDWR | O_CREAT | O_APPEND,
-    O_RDWR | O_CREAT | O_APPEND | O_BINARY
-};
-
-#ifdef CONFIG_USER_ONLY
-static inline uint32_t set_swi_errno(TaskState *ts, uint32_t code)
-{
-    if (code == (uint32_t)-1)
-        ts->swi_errno = errno;
-    return code;
-}
-#else
-static inline uint32_t set_swi_errno(CPUARMState *env, uint32_t code)
-{
-    return code;
-}
-
-#include "exec/softmmu-semi.h"
-#endif
-
-static target_ulong arm_semi_syscall_len;
-
-#if !defined(CONFIG_USER_ONLY)
-static target_ulong syscall_err;
-#endif
-
-static void arm_semi_cb(CPUState *cs, target_ulong ret, target_ulong err)
-{
-    ARMCPU *cpu = ARM_CPU(cs);
-    CPUARMState *env = &cpu->env;
-#ifdef CONFIG_USER_ONLY
-    TaskState *ts = cs->opaque;
-#endif
-    target_ulong reg0 = is_a64(env) ? env->xregs[0] : env->regs[0];
-
-    if (ret == (target_ulong)-1) {
-#ifdef CONFIG_USER_ONLY
-        ts->swi_errno = err;
-#else
-	syscall_err = err;
-#endif
-        reg0 = ret;
-    } else {
-        /* Fixup syscalls that use nonstardard return conventions.  */
-        switch (reg0) {
-        case TARGET_SYS_WRITE:
-        case TARGET_SYS_READ:
-            reg0 = arm_semi_syscall_len - ret;
-            break;
-        case TARGET_SYS_SEEK:
-            reg0 = 0;
-            break;
-        default:
-            reg0 = ret;
-            break;
-        }
-    }
-    if (is_a64(env)) {
-        env->xregs[0] = reg0;
-    } else {
-        env->regs[0] = reg0;
-    }
-}
-
-static target_ulong arm_flen_buf(ARMCPU *cpu)
-{
-    /* Return an address in target memory of 64 bytes where the remote
-     * gdb should write its stat struct. (The format of this structure
-     * is defined by GDB's remote protocol and is not target-specific.)
-     * We put this on the guest's stack just below SP.
-     */
-    CPUARMState *env = &cpu->env;
-    target_ulong sp;
-
-    if (is_a64(env)) {
-        sp = env->xregs[31];
-    } else {
-        sp = env->regs[13];
-    }
-
-    return sp - 64;
-}
-
-static void arm_semi_flen_cb(CPUState *cs, target_ulong ret, target_ulong err)
-{
-    ARMCPU *cpu = ARM_CPU(cs);
-    CPUARMState *env = &cpu->env;
-    /* The size is always stored in big-endian order, extract
-       the value. We assume the size always fit in 32 bits.  */
-    uint32_t size;
-    cpu_memory_rw_debug(cs, arm_flen_buf(cpu) + 32, (uint8_t *)&size, 4, 0);
-    size = be32_to_cpu(size);
-    if (is_a64(env)) {
-        env->xregs[0] = size;
-    } else {
-        env->regs[0] = size;
-    }
-#ifdef CONFIG_USER_ONLY
-    ((TaskState *)cs->opaque)->swi_errno = err;
-#else
-    syscall_err = err;
-#endif
-}
-
-static target_ulong arm_gdb_syscall(ARMCPU *cpu, gdb_syscall_complete_cb cb,
-                                    const char *fmt, ...)
-{
-    va_list va;
-    CPUARMState *env = &cpu->env;
-
-    va_start(va, fmt);
-    gdb_do_syscallv(cb, fmt, va);
-    va_end(va);
-
-    /* FIXME: we are implicitly relying on the syscall completing
-     * before this point, which is not guaranteed. We should
-     * put in an explicit synchronization between this and
-     * the callback function.
-     */
-
-    return is_a64(env) ? env->xregs[0] : env->regs[0];
-}
-
-/* Read the input value from the argument block; fail the semihosting
- * call if the memory read fails.
- */
-#define GET_ARG(n) do {                                 \
-    if (is_a64(env)) {                                  \
-        if (get_user_u64(arg ## n, args + (n) * 8)) {   \
-            return -1;                                  \
-        }                                               \
-    } else {                                            \
-        if (get_user_u32(arg ## n, args + (n) * 4)) {   \
-            return -1;                                  \
-        }                                               \
-    }                                                   \
-} while (0)
-
-#define SET_ARG(n, val)                                 \
-    (is_a64(env) ?                                      \
-     put_user_u64(val, args + (n) * 8) :                \
-     put_user_u32(val, args + (n) * 4))
-
-target_ulong do_arm_semihosting(CPUARMState *env)
-{
-    ARMCPU *cpu = arm_env_get_cpu(env);
-    CPUState *cs = CPU(cpu);
-    target_ulong args;
-    target_ulong arg0, arg1, arg2, arg3;
-    char * s;
-    int nr;
-    uint32_t ret;
-    uint32_t len;
-#ifdef CONFIG_USER_ONLY
-    TaskState *ts = cs->opaque;
-#else
-    CPUARMState *ts = env;
-#endif
-
-    if (is_a64(env)) {
-        /* Note that the syscall number is in W0, not X0 */
-        nr = env->xregs[0] & 0xffffffffU;
-        args = env->xregs[1];
-    } else {
-        nr = env->regs[0];
-        args = env->regs[1];
-    }
-
-    switch (nr) {
-    case TARGET_SYS_OPEN:
-        GET_ARG(0);
-        GET_ARG(1);
-        GET_ARG(2);
-        s = lock_user_string(arg0);
-        if (!s) {
-            /* FIXME - should this error code be -TARGET_EFAULT ? */
-            return (uint32_t)-1;
-        }
-        if (arg1 >= 12) {
-            unlock_user(s, arg0, 0);
-            return (uint32_t)-1;
-        }
-        if (strcmp(s, ":tt") == 0) {
-            int result_fileno = arg1 < 4 ? STDIN_FILENO : STDOUT_FILENO;
-            unlock_user(s, arg0, 0);
-            return result_fileno;
-        }
-        if (use_gdb_syscalls()) {
-            ret = arm_gdb_syscall(cpu, arm_semi_cb, "open,%s,%x,1a4", arg0,
-                                  (int)arg2+1, gdb_open_modeflags[arg1]);
-        } else {
-            ret = set_swi_errno(ts, open(s, open_modeflags[arg1], 0644));
-        }
-        unlock_user(s, arg0, 0);
-        return ret;
-    case TARGET_SYS_CLOSE:
-        GET_ARG(0);
-        if (use_gdb_syscalls()) {
-            return arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", arg0);
-        } else {
-            return set_swi_errno(ts, close(arg0));
-        }
-    case TARGET_SYS_WRITEC:
-        {
-          char c;
-
-          if (get_user_u8(c, args))
-              /* FIXME - should this error code be -TARGET_EFAULT ? */
-              return (uint32_t)-1;
-          /* Write to debug console.  stderr is near enough.  */
-          if (use_gdb_syscalls()) {
-                return arm_gdb_syscall(cpu, arm_semi_cb, "write,2,%x,1", args);
-          } else {
-                return write(STDERR_FILENO, &c, 1);
-          }
-        }
-    case TARGET_SYS_WRITE0:
-        if (!(s = lock_user_string(args)))
-            /* FIXME - should this error code be -TARGET_EFAULT ? */
-            return (uint32_t)-1;
-        len = strlen(s);
-        if (use_gdb_syscalls()) {
-            return arm_gdb_syscall(cpu, arm_semi_cb, "write,2,%x,%x",
-                                   args, len);
-        } else {
-            ret = write(STDERR_FILENO, s, len);
-        }
-        unlock_user(s, args, 0);
-        return ret;
-    case TARGET_SYS_WRITE:
-        GET_ARG(0);
-        GET_ARG(1);
-        GET_ARG(2);
-        len = arg2;
-        if (use_gdb_syscalls()) {
-            arm_semi_syscall_len = len;
-            return arm_gdb_syscall(cpu, arm_semi_cb, "write,%x,%x,%x",
-                                   arg0, arg1, len);
-        } else {
-            s = lock_user(VERIFY_READ, arg1, len, 1);
-            if (!s) {
-                /* FIXME - should this error code be -TARGET_EFAULT ? */
-                return (uint32_t)-1;
-            }
-            ret = set_swi_errno(ts, write(arg0, s, len));
-            unlock_user(s, arg1, 0);
-            if (ret == (uint32_t)-1)
-                return -1;
-            return len - ret;
-        }
-    case TARGET_SYS_READ:
-        GET_ARG(0);
-        GET_ARG(1);
-        GET_ARG(2);
-        len = arg2;
-        if (use_gdb_syscalls()) {
-            arm_semi_syscall_len = len;
-            return arm_gdb_syscall(cpu, arm_semi_cb, "read,%x,%x,%x",
-                                   arg0, arg1, len);
-        } else {
-            s = lock_user(VERIFY_WRITE, arg1, len, 0);
-            if (!s) {
-                /* FIXME - should this error code be -TARGET_EFAULT ? */
-                return (uint32_t)-1;
-            }
-            do {
-                ret = set_swi_errno(ts, read(arg0, s, len));
-            } while (ret == -1 && errno == EINTR);
-            unlock_user(s, arg1, len);
-            if (ret == (uint32_t)-1)
-                return -1;
-            return len - ret;
-        }
-    case TARGET_SYS_READC:
-       /* XXX: Read from debug console. Not implemented.  */
-        return 0;
-    case TARGET_SYS_ISTTY:
-        GET_ARG(0);
-        if (use_gdb_syscalls()) {
-            return arm_gdb_syscall(cpu, arm_semi_cb, "isatty,%x", arg0);
-        } else {
-            return isatty(arg0);
-        }
-    case TARGET_SYS_SEEK:
-        GET_ARG(0);
-        GET_ARG(1);
-        if (use_gdb_syscalls()) {
-            return arm_gdb_syscall(cpu, arm_semi_cb, "lseek,%x,%x,0",
-                                   arg0, arg1);
-        } else {
-            ret = set_swi_errno(ts, lseek(arg0, arg1, SEEK_SET));
-            if (ret == (uint32_t)-1)
-              return -1;
-            return 0;
-        }
-    case TARGET_SYS_FLEN:
-        GET_ARG(0);
-        if (use_gdb_syscalls()) {
-            return arm_gdb_syscall(cpu, arm_semi_flen_cb, "fstat,%x,%x",
-                                   arg0, arm_flen_buf(cpu));
-        } else {
-            struct stat buf;
-            ret = set_swi_errno(ts, fstat(arg0, &buf));
-            if (ret == (uint32_t)-1)
-                return -1;
-            return buf.st_size;
-        }
-    case TARGET_SYS_TMPNAM:
-        /* XXX: Not implemented.  */
-        return -1;
-    case TARGET_SYS_REMOVE:
-        GET_ARG(0);
-        GET_ARG(1);
-        if (use_gdb_syscalls()) {
-            ret = arm_gdb_syscall(cpu, arm_semi_cb, "unlink,%s",
-                                  arg0, (int)arg1+1);
-        } else {
-            s = lock_user_string(arg0);
-            if (!s) {
-                /* FIXME - should this error code be -TARGET_EFAULT ? */
-                return (uint32_t)-1;
-            }
-            ret =  set_swi_errno(ts, remove(s));
-            unlock_user(s, arg0, 0);
-        }
-        return ret;
-    case TARGET_SYS_RENAME:
-        GET_ARG(0);
-        GET_ARG(1);
-        GET_ARG(2);
-        GET_ARG(3);
-        if (use_gdb_syscalls()) {
-            return arm_gdb_syscall(cpu, arm_semi_cb, "rename,%s,%s",
-                                   arg0, (int)arg1+1, arg2, (int)arg3+1);
-        } else {
-            char *s2;
-            s = lock_user_string(arg0);
-            s2 = lock_user_string(arg2);
-            if (!s || !s2)
-                /* FIXME - should this error code be -TARGET_EFAULT ? */
-                ret = (uint32_t)-1;
-            else
-                ret = set_swi_errno(ts, rename(s, s2));
-            if (s2)
-                unlock_user(s2, arg2, 0);
-            if (s)
-                unlock_user(s, arg0, 0);
-            return ret;
-        }
-    case TARGET_SYS_CLOCK:
-        return clock() / (CLOCKS_PER_SEC / 100);
-    case TARGET_SYS_TIME:
-        return set_swi_errno(ts, time(NULL));
-    case TARGET_SYS_SYSTEM:
-        GET_ARG(0);
-        GET_ARG(1);
-        if (use_gdb_syscalls()) {
-            return arm_gdb_syscall(cpu, arm_semi_cb, "system,%s",
-                                   arg0, (int)arg1+1);
-        } else {
-            s = lock_user_string(arg0);
-            if (!s) {
-                /* FIXME - should this error code be -TARGET_EFAULT ? */
-                return (uint32_t)-1;
-            }
-            ret = set_swi_errno(ts, system(s));
-            unlock_user(s, arg0, 0);
-            return ret;
-        }
-    case TARGET_SYS_ERRNO:
-#ifdef CONFIG_USER_ONLY
-        return ts->swi_errno;
-#else
-        return syscall_err;
-#endif
-    case TARGET_SYS_GET_CMDLINE:
-        {
-            /* Build a command-line from the original argv.
-             *
-             * The inputs are:
-             *     * arg0, pointer to a buffer of at least the size
-             *               specified in arg1.
-             *     * arg1, size of the buffer pointed to by arg0 in
-             *               bytes.
-             *
-             * The outputs are:
-             *     * arg0, pointer to null-terminated string of the
-             *               command line.
-             *     * arg1, length of the string pointed to by arg0.
-             */
-
-            char *output_buffer;
-            size_t input_size;
-            size_t output_size;
-            int status = 0;
-#if !defined(CONFIG_USER_ONLY)
-            const char *cmdline;
-#endif
-            GET_ARG(0);
-            GET_ARG(1);
-            input_size = arg1;
-            /* Compute the size of the output string.  */
-#if !defined(CONFIG_USER_ONLY)
-            cmdline = semihosting_get_cmdline();
-            if (cmdline == NULL) {
-                cmdline = ""; /* Default to an empty line. */
-            }
-            output_size = strlen(cmdline) + 1; /* Count terminating 0. */
-#else
-            unsigned int i;
-
-            output_size = ts->info->arg_end - ts->info->arg_start;
-            if (!output_size) {
-                /* We special-case the "empty command line" case (argc==0).
-                   Just provide the terminating 0. */
-                output_size = 1;
-            }
-#endif
-
-            if (output_size > input_size) {
-                 /* Not enough space to store command-line arguments.  */
-                return -1;
-            }
-
-            /* Adjust the command-line length.  */
-            if (SET_ARG(1, output_size - 1)) {
-                /* Couldn't write back to argument block */
-                return -1;
-            }
-
-            /* Lock the buffer on the ARM side.  */
-            output_buffer = lock_user(VERIFY_WRITE, arg0, output_size, 0);
-            if (!output_buffer) {
-                return -1;
-            }
-
-            /* Copy the command-line arguments.  */
-#if !defined(CONFIG_USER_ONLY)
-            pstrcpy(output_buffer, output_size, cmdline);
-#else
-            if (output_size == 1) {
-                /* Empty command-line.  */
-                output_buffer[0] = '\0';
-                goto out;
-            }
-
-            if (copy_from_user(output_buffer, ts->info->arg_start,
-                               output_size)) {
-                status = -1;
-                goto out;
-            }
-
-            /* Separate arguments by white spaces.  */
-            for (i = 0; i < output_size - 1; i++) {
-                if (output_buffer[i] == 0) {
-                    output_buffer[i] = ' ';
-                }
-            }
-        out:
-#endif
-            /* Unlock the buffer on the ARM side.  */
-            unlock_user(output_buffer, arg0, output_size);
-
-            return status;
-        }
-    case TARGET_SYS_HEAPINFO:
-        {
-            uint32_t *ptr;
-            uint32_t limit;
-            GET_ARG(0);
-
-#ifdef CONFIG_USER_ONLY
-            /* Some C libraries assume the heap immediately follows .bss, so
-               allocate it using sbrk.  */
-            if (!ts->heap_limit) {
-                abi_ulong ret;
-
-                ts->heap_base = do_brk(0);
-                limit = ts->heap_base + ARM_ANGEL_HEAP_SIZE;
-                /* Try a big heap, and reduce the size if that fails.  */
-                for (;;) {
-                    ret = do_brk(limit);
-                    if (ret >= limit) {
-                        break;
-                    }
-                    limit = (ts->heap_base >> 1) + (limit >> 1);
-                }
-                ts->heap_limit = limit;
-            }
-
-            ptr = lock_user(VERIFY_WRITE, arg0, 16, 0);
-            if (!ptr) {
-                /* FIXME - should this error code be -TARGET_EFAULT ? */
-                return (uint32_t)-1;
-            }
-            ptr[0] = tswap32(ts->heap_base);
-            ptr[1] = tswap32(ts->heap_limit);
-            ptr[2] = tswap32(ts->stack_base);
-            ptr[3] = tswap32(0); /* Stack limit.  */
-            unlock_user(ptr, arg0, 16);
-#else
-            limit = ram_size;
-            ptr = lock_user(VERIFY_WRITE, arg0, 16, 0);
-            if (!ptr) {
-                /* FIXME - should this error code be -TARGET_EFAULT ? */
-                return (uint32_t)-1;
-            }
-            /* TODO: Make this use the limit of the loaded application.  */
-            ptr[0] = tswap32(limit / 2);
-            ptr[1] = tswap32(limit);
-            ptr[2] = tswap32(limit); /* Stack base */
-            ptr[3] = tswap32(0); /* Stack limit.  */
-            unlock_user(ptr, arg0, 16);
-#endif
-            return 0;
-        }
-    case TARGET_SYS_EXIT:
-        if (is_a64(env)) {
-            /* The A64 version of this call takes a parameter block,
-             * so the application-exit type can return a subcode which
-             * is the exit status code from the application.
-             */
-            GET_ARG(0);
-            GET_ARG(1);
-
-            if (arg0 == ADP_Stopped_ApplicationExit) {
-                ret = arg1;
-            } else {
-                ret = 1;
-            }
-        } else {
-            /* ARM specifies only Stopped_ApplicationExit as normal
-             * exit, everything else is considered an error */
-            ret = (args == ADP_Stopped_ApplicationExit) ? 0 : 1;
-        }
-        gdb_exit(env, ret);
-        exit(ret);
-    case TARGET_SYS_SYNCCACHE:
-        /* Clean the D-cache and invalidate the I-cache for the specified
-         * virtual address range. This is a nop for us since we don't
-         * implement caches. This is only present on A64.
-         */
-        if (is_a64(env)) {
-            return 0;
-        }
-        /* fall through -- invalid for A32/T32 */
-    default:
-        fprintf(stderr, "qemu: Unsupported SemiHosting SWI 0x%02x\n", nr);
-        cpu_dump_state(cs, stderr, fprintf, 0);
-        abort();
-    }
-}