#include "fw_cfg.h"
#include "sysbus.h"
#include "qemu-error.h"
+#include "qemu-config.h"
/* debug firmware config */
//#define DEBUG_FW_CFG
#endif
#define FW_CFG_SIZE 2
+#define FW_CFG_DATA_SIZE 1
typedef struct FWCfgEntry {
uint32_t len;
struct FWCfgState {
SysBusDevice busdev;
+ MemoryRegion ctl_iomem, data_iomem, comb_iomem;
uint32_t ctl_iobase, data_iobase;
FWCfgEntry entries[2][FW_CFG_MAX_ENTRY];
FWCfgFiles *files;
}
}
+static void fw_cfg_reboot(FWCfgState *s)
+{
+ int reboot_timeout = -1;
+ char *p;
+ const char *temp;
+
+ /* get user configuration */
+ QemuOptsList *plist = qemu_find_opts("boot-opts");
+ QemuOpts *opts = QTAILQ_FIRST(&plist->head);
+ if (opts != NULL) {
+ temp = qemu_opt_get(opts, "reboot-timeout");
+ if (temp != NULL) {
+ p = (char *)temp;
+ reboot_timeout = strtol(p, (char **)&p, 10);
+ }
+ }
+ /* validate the input */
+ if (reboot_timeout > 0xffff) {
+ error_report("reboot timeout is larger than 65535, force it to 65535.");
+ reboot_timeout = 0xffff;
+ }
+ fw_cfg_add_file(s, "etc/boot-fail-wait", g_memdup(&reboot_timeout, 4), 4);
+}
+
static void fw_cfg_write(FWCfgState *s, uint8_t value)
{
int arch = !!(s->cur_entry & FW_CFG_ARCH_LOCAL);
return ret;
}
-static uint32_t fw_cfg_io_readb(void *opaque, uint32_t addr)
+static uint64_t fw_cfg_data_mem_read(void *opaque, hwaddr addr,
+ unsigned size)
{
return fw_cfg_read(opaque);
}
-static void fw_cfg_io_writeb(void *opaque, uint32_t addr, uint32_t value)
+static void fw_cfg_data_mem_write(void *opaque, hwaddr addr,
+ uint64_t value, unsigned size)
{
fw_cfg_write(opaque, (uint8_t)value);
}
-static void fw_cfg_io_writew(void *opaque, uint32_t addr, uint32_t value)
+static void fw_cfg_ctl_mem_write(void *opaque, hwaddr addr,
+ uint64_t value, unsigned size)
{
fw_cfg_select(opaque, (uint16_t)value);
}
-static uint32_t fw_cfg_mem_readb(void *opaque, target_phys_addr_t addr)
+static bool fw_cfg_ctl_mem_valid(void *opaque, hwaddr addr,
+ unsigned size, bool is_write)
{
- return fw_cfg_read(opaque);
+ return is_write && size == 2;
}
-static void fw_cfg_mem_writeb(void *opaque, target_phys_addr_t addr,
- uint32_t value)
+static uint64_t fw_cfg_comb_read(void *opaque, hwaddr addr,
+ unsigned size)
{
- fw_cfg_write(opaque, (uint8_t)value);
+ return fw_cfg_read(opaque);
}
-static void fw_cfg_mem_writew(void *opaque, target_phys_addr_t addr,
- uint32_t value)
+static void fw_cfg_comb_write(void *opaque, hwaddr addr,
+ uint64_t value, unsigned size)
{
- fw_cfg_select(opaque, (uint16_t)value);
+ switch (size) {
+ case 1:
+ fw_cfg_write(opaque, (uint8_t)value);
+ break;
+ case 2:
+ fw_cfg_select(opaque, (uint16_t)value);
+ break;
+ }
}
-static CPUReadMemoryFunc * const fw_cfg_ctl_mem_read[3] = {
- NULL,
- NULL,
- NULL,
-};
+static bool fw_cfg_comb_valid(void *opaque, hwaddr addr,
+ unsigned size, bool is_write)
+{
+ return (size == 1) || (is_write && size == 2);
+}
-static CPUWriteMemoryFunc * const fw_cfg_ctl_mem_write[3] = {
- NULL,
- fw_cfg_mem_writew,
- NULL,
+static const MemoryRegionOps fw_cfg_ctl_mem_ops = {
+ .write = fw_cfg_ctl_mem_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+ .valid.accepts = fw_cfg_ctl_mem_valid,
};
-static CPUReadMemoryFunc * const fw_cfg_data_mem_read[3] = {
- fw_cfg_mem_readb,
- NULL,
- NULL,
+static const MemoryRegionOps fw_cfg_data_mem_ops = {
+ .read = fw_cfg_data_mem_read,
+ .write = fw_cfg_data_mem_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+ .valid = {
+ .min_access_size = 1,
+ .max_access_size = 1,
+ },
};
-static CPUWriteMemoryFunc * const fw_cfg_data_mem_write[3] = {
- fw_cfg_mem_writeb,
- NULL,
- NULL,
+static const MemoryRegionOps fw_cfg_comb_mem_ops = {
+ .read = fw_cfg_comb_read,
+ .write = fw_cfg_comb_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+ .valid.accepts = fw_cfg_comb_valid,
};
static void fw_cfg_reset(DeviceState *d)
}
FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
- target_phys_addr_t ctl_addr, target_phys_addr_t data_addr)
+ hwaddr ctl_addr, hwaddr data_addr)
{
DeviceState *dev;
SysBusDevice *d;
fw_cfg_add_i16(s, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
fw_cfg_add_i16(s, FW_CFG_BOOT_MENU, (uint16_t)boot_menu);
fw_cfg_bootsplash(s);
+ fw_cfg_reboot(s);
s->machine_ready.notify = fw_cfg_machine_ready;
qemu_add_machine_init_done_notifier(&s->machine_ready);
static int fw_cfg_init1(SysBusDevice *dev)
{
FWCfgState *s = FROM_SYSBUS(FWCfgState, dev);
- int io_ctl_memory, io_data_memory;
-
- io_ctl_memory = cpu_register_io_memory(fw_cfg_ctl_mem_read,
- fw_cfg_ctl_mem_write, s,
- DEVICE_NATIVE_ENDIAN);
- sysbus_init_mmio(dev, FW_CFG_SIZE, io_ctl_memory);
- io_data_memory = cpu_register_io_memory(fw_cfg_data_mem_read,
- fw_cfg_data_mem_write, s,
- DEVICE_NATIVE_ENDIAN);
- sysbus_init_mmio(dev, FW_CFG_SIZE, io_data_memory);
-
- if (s->ctl_iobase) {
- register_ioport_write(s->ctl_iobase, 2, 2, fw_cfg_io_writew, s);
- }
- if (s->data_iobase) {
- register_ioport_read(s->data_iobase, 1, 1, fw_cfg_io_readb, s);
- register_ioport_write(s->data_iobase, 1, 1, fw_cfg_io_writeb, s);
+ memory_region_init_io(&s->ctl_iomem, &fw_cfg_ctl_mem_ops, s,
+ "fwcfg.ctl", FW_CFG_SIZE);
+ sysbus_init_mmio(dev, &s->ctl_iomem);
+ memory_region_init_io(&s->data_iomem, &fw_cfg_data_mem_ops, s,
+ "fwcfg.data", FW_CFG_DATA_SIZE);
+ sysbus_init_mmio(dev, &s->data_iomem);
+ /* In case ctl and data overlap: */
+ memory_region_init_io(&s->comb_iomem, &fw_cfg_comb_mem_ops, s,
+ "fwcfg", FW_CFG_SIZE);
+
+ if (s->ctl_iobase + 1 == s->data_iobase) {
+ sysbus_add_io(dev, s->ctl_iobase, &s->comb_iomem);
+ } else {
+ if (s->ctl_iobase) {
+ sysbus_add_io(dev, s->ctl_iobase, &s->ctl_iomem);
+ }
+ if (s->data_iobase) {
+ sysbus_add_io(dev, s->data_iobase, &s->data_iomem);
+ }
}
return 0;
}
-static SysBusDeviceInfo fw_cfg_info = {
- .init = fw_cfg_init1,
- .qdev.name = "fw_cfg",
- .qdev.size = sizeof(FWCfgState),
- .qdev.vmsd = &vmstate_fw_cfg,
- .qdev.reset = fw_cfg_reset,
- .qdev.no_user = 1,
- .qdev.props = (Property[]) {
- DEFINE_PROP_HEX32("ctl_iobase", FWCfgState, ctl_iobase, -1),
- DEFINE_PROP_HEX32("data_iobase", FWCfgState, data_iobase, -1),
- DEFINE_PROP_END_OF_LIST(),
- },
+static Property fw_cfg_properties[] = {
+ DEFINE_PROP_HEX32("ctl_iobase", FWCfgState, ctl_iobase, -1),
+ DEFINE_PROP_HEX32("data_iobase", FWCfgState, data_iobase, -1),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void fw_cfg_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = fw_cfg_init1;
+ dc->no_user = 1;
+ dc->reset = fw_cfg_reset;
+ dc->vmsd = &vmstate_fw_cfg;
+ dc->props = fw_cfg_properties;
+}
+
+static TypeInfo fw_cfg_info = {
+ .name = "fw_cfg",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(FWCfgState),
+ .class_init = fw_cfg_class_init,
};
-static void fw_cfg_register_devices(void)
+static void fw_cfg_register_types(void)
{
- sysbus_register_withprop(&fw_cfg_info);
+ type_register_static(&fw_cfg_info);
}
-device_init(fw_cfg_register_devices)
+type_init(fw_cfg_register_types)
projects / qemu.git / blobdiff