@@ -6,7 +6,7 @@
* ISA memory at the 0x10000000 (PHYS, 16Mb in size).
* All peripherial devices are attached to this "bus" with
* the standard PC ISA addresses.
-*/
+ */
#include "qemu/osdep.h"
#include "qemu/units.h"
@@ -54,17 +54,18 @@ static struct _loaderparams {
const char *initrd_filename;
} loaderparams;
-static void mips_qemu_write (void *opaque, hwaddr addr,
- uint64_t val, unsigned size)
+static void mips_qemu_write(void *opaque, hwaddr addr,
+ uint64_t val, unsigned size)
{
- if ((addr & 0xffff) == 0 && val == 42)
+ if ((addr & 0xffff) == 0 && val == 42) {
qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
- else if ((addr & 0xffff) == 4 && val == 42)
+ } else if ((addr & 0xffff) == 4 && val == 42) {
qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
+ }
}
-static uint64_t mips_qemu_read (void *opaque, hwaddr addr,
- unsigned size)
+static uint64_t mips_qemu_read(void *opaque, hwaddr addr,
+ unsigned size)
{
return 0;
}
@@ -100,8 +101,9 @@ static int64_t load_kernel(void)
(uint64_t *)&kernel_high, big_endian,
EM_MIPS, 1, 0);
if (kernel_size >= 0) {
- if ((entry & ~0x7fffffffULL) == 0x80000000)
+ if ((entry & ~0x7fffffffULL) == 0x80000000) {
entry = (int32_t)entry;
+ }
} else {
error_report("could not load kernel '%s': %s",
loaderparams.kernel_filename,
@@ -113,9 +115,10 @@ static int64_t load_kernel(void)
initrd_size = 0;
initrd_offset = 0;
if (loaderparams.initrd_filename) {
- initrd_size = get_image_size (loaderparams.initrd_filename);
+ initrd_size = get_image_size(loaderparams.initrd_filename);
if (initrd_size > 0) {
- initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
+ initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) &
+ INITRD_PAGE_MASK;
if (initrd_offset + initrd_size > ram_size) {
error_report("memory too small for initial ram disk '%s'",
loaderparams.initrd_filename);
@@ -139,11 +142,13 @@ static int64_t load_kernel(void)
params_buf[1] = tswap32(0x12345678);
if (initrd_size > 0) {
- snprintf((char *)params_buf + 8, 256, "rd_start=0x%" PRIx64 " rd_size=%" PRId64 " %s",
+ snprintf((char *)params_buf + 8, 256,
+ "rd_start=0x%" PRIx64 " rd_size=%" PRId64 " %s",
cpu_mips_phys_to_kseg0(NULL, initrd_offset),
initrd_size, loaderparams.kernel_cmdline);
} else {
- snprintf((char *)params_buf + 8, 256, "%s", loaderparams.kernel_cmdline);
+ snprintf((char *)params_buf + 8, 256,
+ "%s", loaderparams.kernel_cmdline);
}
rom_add_blob_fixed("params", params_buf, params_size,
@@ -207,15 +212,21 @@ void mips_r4k_init(MachineState *machine)
memory_region_add_subregion(address_space_mem, 0, ram);
- memory_region_init_io(iomem, NULL, &mips_qemu_ops, NULL, "mips-qemu", 0x10000);
+ memory_region_init_io(iomem, NULL, &mips_qemu_ops,
+ NULL, "mips-qemu", 0x10000);
+
memory_region_add_subregion(address_space_mem, 0x1fbf0000, iomem);
- /* Try to load a BIOS image. If this fails, we continue regardless,
- but initialize the hardware ourselves. When a kernel gets
- preloaded we also initialize the hardware, since the BIOS wasn't
- run. */
- if (bios_name == NULL)
+ /*
+ * Try to load a BIOS image. If this fails, we continue regardless,
+ * but initialize the hardware ourselves. When a kernel gets
+ * preloaded we also initialize the hardware, since the BIOS wasn't
+ * run.
+ */
+
+ if (bios_name == NULL) {
bios_name = BIOS_FILENAME;
+ }
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
bios_size = get_image_size(filename);
@@ -227,6 +238,7 @@ void mips_r4k_init(MachineState *machine)
#else
be = 0;
#endif
+ dinfo = drive_get(IF_PFLASH, 0, 0);
if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
bios = g_new(MemoryRegion, 1);
memory_region_init_ram(bios, NULL, "mips_r4k.bios", BIOS_SIZE,
@@ -235,7 +247,7 @@ void mips_r4k_init(MachineState *machine)
memory_region_add_subregion(get_system_memory(), 0x1fc00000, bios);
load_image_targphys(filename, 0x1fc00000, BIOS_SIZE);
- } else if ((dinfo = drive_get(IF_PFLASH, 0, 0)) != NULL) {
+ } else if (dinfo != NULL) {
uint32_t mips_rom = 0x00400000;
if (!pflash_cfi01_register(0x1fc00000, "mips_r4k.bios", mips_rom,
blk_by_legacy_dinfo(dinfo),
@@ -280,11 +292,12 @@ void mips_r4k_init(MachineState *machine)
isa_vga_init(isa_bus);
- if (nd_table[0].used)
+ if (nd_table[0].used) {
isa_ne2000_init(isa_bus, 0x300, 9, &nd_table[0]);
+ }
ide_drive_get(hd, ARRAY_SIZE(hd));
- for(i = 0; i < MAX_IDE_BUS; i++)
+ for (i = 0; i < MAX_IDE_BUS; i++)
isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i],
hd[MAX_IDE_DEVS * i],
hd[MAX_IDE_DEVS * i + 1]);