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Simplify -machine option queries with qemu_get_machine_opts()

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The previous two commits fixed bugs in -machine option queries.  I
can't find fault with the remaining queries, but let's use
qemu_get_machine_opts() everywhere, for consistency, simplicity and
robustness.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1372943363-24081-7-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Markus Armbruster 2013-07-04 15:09:22 +02:00 committed by Anthony Liguori
parent 7bccd94026
commit 2ff3de685a
6 changed files with 33 additions and 75 deletions
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26
device_tree.c
View File

@ -21,6 +21,7 @@
#include "config.h"
#include "qemu-common.h"
#include "sysemu/device_tree.h"
#include "sysemu/sysemu.h"
#include "hw/loader.h"
#include "qemu/option.h"
#include "qemu/config-file.h"
@ -239,14 +240,10 @@ uint32_t qemu_devtree_alloc_phandle(void *fdt)
* which phandle id to start allocting phandles.
*/
if (!phandle) {
QemuOpts *machine_opts;
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (machine_opts) {
const char *phandle_start;
phandle_start = qemu_opt_get(machine_opts, "phandle_start");
if (phandle_start) {
phandle = strtoul(phandle_start, NULL, 0);
}
const char *phandle_start = qemu_opt_get(qemu_get_machine_opts(),
"phandle_start");
if (phandle_start) {
phandle = strtoul(phandle_start, NULL, 0);
}
}
@ -307,15 +304,10 @@ int qemu_devtree_add_subnode(void *fdt, const char *name)
void qemu_devtree_dumpdtb(void *fdt, int size)
{
QemuOpts *machine_opts;
const char *dumpdtb = qemu_opt_get(qemu_get_machine_opts(), "dumpdtb");
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (machine_opts) {
const char *dumpdtb = qemu_opt_get(machine_opts, "dumpdtb");
if (dumpdtb) {
/* Dump the dtb to a file and quit */
exit(g_file_set_contents(dumpdtb, fdt, size, NULL) ? 0 : 1);
}
if (dumpdtb) {
/* Dump the dtb to a file and quit */
exit(g_file_set_contents(dumpdtb, fdt, size, NULL) ? 0 : 1);
}
}

12
exec.c
View File

@ -31,6 +31,7 @@
#include "hw/qdev.h"
#include "qemu/osdep.h"
#include "sysemu/kvm.h"
#include "sysemu/sysemu.h"
#include "hw/xen/xen.h"
#include "qemu/timer.h"
#include "qemu/config-file.h"
@ -1043,12 +1044,10 @@ ram_addr_t last_ram_offset(void)
static void qemu_ram_setup_dump(void *addr, ram_addr_t size)
{
int ret;
QemuOpts *machine_opts;
/* Use MADV_DONTDUMP, if user doesn't want the guest memory in the core */
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (machine_opts &&
!qemu_opt_get_bool(machine_opts, "dump-guest-core", true)) {
if (!qemu_opt_get_bool(qemu_get_machine_opts(),
"dump-guest-core", true)) {
ret = qemu_madvise(addr, size, QEMU_MADV_DONTDUMP);
if (ret) {
perror("qemu_madvise");
@ -1095,10 +1094,7 @@ void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev)
static int memory_try_enable_merging(void *addr, size_t len)
{
QemuOpts *opts;
opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (opts && !qemu_opt_get_bool(opts, "mem-merge", true)) {
if (!qemu_opt_get_bool(qemu_get_machine_opts(), "mem-merge", true)) {
/* disabled by the user */
return 0;
}

8
hw/arm/boot.c
View File

@ -359,7 +359,6 @@ void arm_load_kernel(ARMCPU *cpu, struct arm_boot_info *info)
uint64_t elf_entry;
hwaddr entry;
int big_endian;
QemuOpts *machine_opts;
/* Load the kernel. */
if (!info->kernel_filename) {
@ -367,12 +366,7 @@ void arm_load_kernel(ARMCPU *cpu, struct arm_boot_info *info)
exit(1);
}
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (machine_opts) {
info->dtb_filename = qemu_opt_get(machine_opts, "dtb");
} else {
info->dtb_filename = NULL;
}
info->dtb_filename = qemu_opt_get(qemu_get_machine_opts(), "dtb");
if (!info->secondary_cpu_reset_hook) {
info->secondary_cpu_reset_hook = default_reset_secondary;

12
hw/ppc/e500.c
View File

@ -137,7 +137,6 @@ static int ppce500_load_device_tree(CPUPPCState *env,
uint32_t clock_freq = 400000000;
uint32_t tb_freq = 400000000;
int i;
const char *toplevel_compat = NULL; /* user override */
char compatible_sb[] = "fsl,mpc8544-immr\0simple-bus";
char soc[128];
char mpic[128];
@ -158,14 +157,9 @@ static int ppce500_load_device_tree(CPUPPCState *env,
0x0, 0xe1000000,
0x0, 0x10000,
};
QemuOpts *machine_opts;
const char *dtb_file = NULL;
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (machine_opts) {
dtb_file = qemu_opt_get(machine_opts, "dtb");
toplevel_compat = qemu_opt_get(machine_opts, "dt_compatible");
}
QemuOpts *machine_opts = qemu_get_machine_opts();
const char *dtb_file = qemu_opt_get(machine_opts, "dtb");
const char *toplevel_compat = qemu_opt_get(machine_opts, "dt_compatible");
if (dtb_file) {
char *filename;

28
hw/ppc/spapr.c
View File

@ -676,27 +676,19 @@ static void spapr_cpu_reset(void *opaque)
static void spapr_create_nvram(sPAPREnvironment *spapr)
{
QemuOpts *machine_opts;
DeviceState *dev;
DeviceState *dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram");
const char *drivename = qemu_opt_get(qemu_get_machine_opts(), "nvram");
dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram");
if (drivename) {
BlockDriverState *bs;
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (machine_opts) {
const char *drivename;
drivename = qemu_opt_get(machine_opts, "nvram");
if (drivename) {
BlockDriverState *bs;
bs = bdrv_find(drivename);
if (!bs) {
fprintf(stderr, "No such block device \"%s\" for nvram\n",
drivename);
exit(1);
}
qdev_prop_set_drive_nofail(dev, "drive", bs);
bs = bdrv_find(drivename);
if (!bs) {
fprintf(stderr, "No such block device \"%s\" for nvram\n",
drivename);
exit(1);
}
qdev_prop_set_drive_nofail(dev, "drive", bs);
}
qdev_init_nofail(dev);

22
vl.c
View File

@ -1036,15 +1036,9 @@ static int parse_sandbox(QemuOpts *opts, void *opaque)
return 0;
}
/*********QEMU USB setting******/
bool usb_enabled(bool default_usb)
{
QemuOpts *mach_opts;
mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (mach_opts) {
return qemu_opt_get_bool(mach_opts, "usb", default_usb);
}
return default_usb;
return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
}
#ifndef _WIN32
@ -4095,14 +4089,10 @@ int main(int argc, char **argv, char **envp)
qtest_init();
}
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (machine_opts) {
kernel_filename = qemu_opt_get(machine_opts, "kernel");
initrd_filename = qemu_opt_get(machine_opts, "initrd");
kernel_cmdline = qemu_opt_get(machine_opts, "append");
} else {
kernel_filename = initrd_filename = kernel_cmdline = NULL;
}
machine_opts = qemu_get_machine_opts();
kernel_filename = qemu_opt_get(machine_opts, "kernel");
initrd_filename = qemu_opt_get(machine_opts, "initrd");
kernel_cmdline = qemu_opt_get(machine_opts, "append");
if (!boot_order) {
boot_order = machine->boot_order;
@ -4145,7 +4135,7 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
fprintf(stderr, "-dtb only allowed with -kernel option\n");
exit(1);
}