* THE SOFTWARE.
*/
-#include "vl.h"
+#include "hw.h"
+#include "pc.h"
+#include "fdc.h"
+#include "net.h"
+#include "boards.h"
+#include "smbus.h"
+#include "block.h"
+#include "flash.h"
+#include "mips.h"
+#include "pci.h"
+#include "qemu-char.h"
+#include "sysemu.h"
+#include "audio/audio.h"
+#include "boards.h"
+
+//#define DEBUG_BOARD_INIT
#ifdef TARGET_WORDS_BIGENDIAN
#define BIOS_FILENAME "mips_bios.bin"
#define ENVP_NB_ENTRIES 16
#define ENVP_ENTRY_SIZE 256
+#define MAX_IDE_BUS 2
extern FILE *logfile;
static PITState *pit;
+static struct _loaderparams {
+ int ram_size;
+ const char *kernel_filename;
+ const char *kernel_cmdline;
+ const char *initrd_filename;
+} loaderparams;
+
/* Malta FPGA */
static void malta_fpga_update_display(void *opaque)
{
for (i = 7 ; i >= 0 ; i--) {
if (s->leds & (1 << i))
leds_text[i] = '#';
- else
+ else
leds_text[i] = ' ';
}
leds_text[8] = '\0';
malta_fpga_writel
};
-void malta_fpga_reset(void *opaque)
+static void malta_fpga_reset(void *opaque)
{
MaltaFPGAState *s = opaque;
malta_fpga_update_display(s);
}
-MaltaFPGAState *malta_fpga_init(target_phys_addr_t base, CPUState *env)
+static MaltaFPGAState *malta_fpga_init(target_phys_addr_t base, CPUState *env)
{
MaltaFPGAState *s;
CharDriverState *uart_chr;
stl_raw(p++, 0x00000000); /* nop */
/* YAMON service vector */
- stl_raw(phys_ram_base + bios_offset + 0x500, 0xbfc00580); /* start: */
+ stl_raw(phys_ram_base + bios_offset + 0x500, 0xbfc00580); /* start: */
stl_raw(phys_ram_base + bios_offset + 0x504, 0xbfc0083c); /* print_count: */
- stl_raw(phys_ram_base + bios_offset + 0x520, 0xbfc00580); /* start: */
+ stl_raw(phys_ram_base + bios_offset + 0x520, 0xbfc00580); /* start: */
stl_raw(phys_ram_base + bios_offset + 0x52c, 0xbfc00800); /* flush_cache: */
stl_raw(phys_ram_base + bios_offset + 0x534, 0xbfc00808); /* print: */
stl_raw(phys_ram_base + bios_offset + 0x538, 0xbfc00800); /* reg_cpu_isr: */
stl_raw(p++, 0x34a50000 | (ENVP_ADDR & 0xffff)); /* ori a1, a1, low(ENVP_ADDR) */
stl_raw(p++, 0x3c060000 | (((ENVP_ADDR + 8) >> 16) & 0xffff)); /* lui a2, high(ENVP_ADDR + 8) */
stl_raw(p++, 0x34c60000 | ((ENVP_ADDR + 8) & 0xffff)); /* ori a2, a2, low(ENVP_ADDR + 8) */
- stl_raw(p++, 0x3c070000 | (env->ram_size >> 16)); /* lui a3, high(env->ram_size) */
- stl_raw(p++, 0x34e70000 | (env->ram_size & 0xffff)); /* ori a3, a3, low(env->ram_size) */
+ stl_raw(p++, 0x3c070000 | (loaderparams.ram_size >> 16)); /* lui a3, high(ram_size) */
+ stl_raw(p++, 0x34e70000 | (loaderparams.ram_size & 0xffff)); /* ori a3, a3, low(ram_size) */
/* Load BAR registers as done by YAMON */
+ stl_raw(p++, 0x3c09b400); /* lui t1, 0xb400 */
+
+#ifdef TARGET_WORDS_BIGENDIAN
+ stl_raw(p++, 0x3c08df00); /* lui t0, 0xdf00 */
+#else
+ stl_raw(p++, 0x340800df); /* ori t0, r0, 0x00df */
+#endif
+ stl_raw(p++, 0xad280068); /* sw t0, 0x0068(t1) */
+
stl_raw(p++, 0x3c09bbe0); /* lui t1, 0xbbe0 */
#ifdef TARGET_WORDS_BIGENDIAN
long initrd_size;
ram_addr_t initrd_offset;
- if (load_elf(env->kernel_filename, VIRT_TO_PHYS_ADDEND,
+ if (load_elf(loaderparams.kernel_filename, VIRT_TO_PHYS_ADDEND,
&kernel_entry, &kernel_low, &kernel_high) < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n",
- env->kernel_filename);
+ loaderparams.kernel_filename);
exit(1);
}
/* load initrd */
initrd_size = 0;
initrd_offset = 0;
- if (env->initrd_filename) {
- initrd_size = get_image_size (env->initrd_filename);
+ if (loaderparams.initrd_filename) {
+ initrd_size = get_image_size (loaderparams.initrd_filename);
if (initrd_size > 0) {
initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK;
- if (initrd_offset + initrd_size > env->ram_size) {
+ if (initrd_offset + initrd_size > ram_size) {
fprintf(stderr,
"qemu: memory too small for initial ram disk '%s'\n",
- env->initrd_filename);
+ loaderparams.initrd_filename);
exit(1);
}
- initrd_size = load_image(env->initrd_filename,
+ initrd_size = load_image(loaderparams.initrd_filename,
phys_ram_base + initrd_offset);
}
if (initrd_size == (target_ulong) -1) {
fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
- env->initrd_filename);
+ loaderparams.initrd_filename);
exit(1);
}
}
/* Store command line. */
- prom_set(index++, env->kernel_filename);
+ prom_set(index++, loaderparams.kernel_filename);
if (initrd_size > 0)
prom_set(index++, "rd_start=0x" TARGET_FMT_lx " rd_size=%li %s",
PHYS_TO_VIRT(initrd_offset), initrd_size,
- env->kernel_cmdline);
+ loaderparams.kernel_cmdline);
else
- prom_set(index++, env->kernel_cmdline);
+ prom_set(index++, loaderparams.kernel_cmdline);
/* Setup minimum environment variables */
prom_set(index++, "memsize");
- prom_set(index++, "%i", env->ram_size);
+ prom_set(index++, "%i", loaderparams.ram_size);
prom_set(index++, "modetty0");
prom_set(index++, "38400n8r");
prom_set(index++, NULL);
{
CPUState *env = opaque;
cpu_reset(env);
- cpu_mips_register(env, NULL);
/* The bootload does not need to be rewritten as it is located in a
read only location. The kernel location and the arguments table
location does not change. */
- if (env->kernel_filename) {
+ if (loaderparams.kernel_filename) {
env->CP0_Status &= ~((1 << CP0St_BEV) | (1 << CP0St_ERL));
load_kernel (env);
}
}
static
-void mips_malta_init (int ram_size, int vga_ram_size, int boot_device,
- DisplayState *ds, const char **fd_filename, int snapshot,
+void mips_malta_init (int ram_size, int vga_ram_size,
+ const char *boot_device, DisplayState *ds,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
char buf[1024];
unsigned long bios_offset;
+ target_long bios_size;
int64_t kernel_entry;
PCIBus *pci_bus;
CPUState *env;
RTCState *rtc_state;
- /* fdctrl_t *floppy_controller; */
+ fdctrl_t *floppy_controller;
MaltaFPGAState *malta_fpga;
- int ret;
- mips_def_t *def;
qemu_irq *i8259;
int piix4_devfn;
uint8_t *eeprom_buf;
i2c_bus *smbus;
int i;
+ int index;
+ BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+ BlockDriverState *fd[MAX_FD];
+ int fl_idx = 0;
+ int fl_sectors = 0;
/* init CPUs */
if (cpu_model == NULL) {
cpu_model = "24Kf";
#endif
}
- if (mips_find_by_name(cpu_model, &def) != 0)
- def = NULL;
- env = cpu_init();
- cpu_mips_register(env, def);
+ env = cpu_init(cpu_model);
+ if (!env) {
+ fprintf(stderr, "Unable to find CPU definition\n");
+ exit(1);
+ }
register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
qemu_register_reset(main_cpu_reset, env);
/* allocate RAM */
cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
- /* Map the bios at two physical locations, as on the real board */
+ /* Map the bios at two physical locations, as on the real board. */
bios_offset = ram_size + vga_ram_size;
cpu_register_physical_memory(0x1e000000LL,
BIOS_SIZE, bios_offset | IO_MEM_ROM);
/* FPGA */
malta_fpga = malta_fpga_init(0x1f000000LL, env);
- /* Load a BIOS image unless a kernel image has been specified. */
- if (!kernel_filename) {
- snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
- ret = load_image(buf, phys_ram_base + bios_offset);
- if (ret < 0 || ret > BIOS_SIZE) {
- fprintf(stderr,
- "qemu: Could not load MIPS bios '%s', and no -kernel argument was specified\n",
- buf);
- exit(1);
- }
- }
-
- /* If a kernel image has been specified, write a small bootloader
- to the flash location. */
+ /* Load firmware in flash / BIOS unless we boot directly into a kernel. */
if (kernel_filename) {
- env->ram_size = ram_size;
- env->kernel_filename = kernel_filename;
- env->kernel_cmdline = kernel_cmdline;
- env->initrd_filename = initrd_filename;
+ /* Write a small bootloader to the flash location. */
+ loaderparams.ram_size = ram_size;
+ loaderparams.kernel_filename = kernel_filename;
+ loaderparams.kernel_cmdline = kernel_cmdline;
+ loaderparams.initrd_filename = initrd_filename;
kernel_entry = load_kernel(env);
env->CP0_Status &= ~((1 << CP0St_BEV) | (1 << CP0St_ERL));
write_bootloader(env, bios_offset, kernel_entry);
+ } else {
+ index = drive_get_index(IF_PFLASH, 0, fl_idx);
+ if (index != -1) {
+ /* Load firmware from flash. */
+ bios_size = 0x400000;
+ fl_sectors = bios_size >> 16;
+#ifdef DEBUG_BOARD_INIT
+ printf("Register parallel flash %d size " TARGET_FMT_lx " at "
+ "offset %08lx addr %08llx '%s' %x\n",
+ fl_idx, bios_size, bios_offset, 0x1e000000LL,
+ bdrv_get_device_name(drives_table[index].bdrv), fl_sectors);
+#endif
+ pflash_cfi01_register(0x1e000000LL, bios_offset,
+ drives_table[index].bdrv, 65536, fl_sectors,
+ 4, 0x0000, 0x0000, 0x0000, 0x0000);
+ fl_idx++;
+ } else {
+ /* Load a BIOS image. */
+ if (bios_name == NULL)
+ bios_name = BIOS_FILENAME;
+ snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
+ bios_size = load_image(buf, phys_ram_base + bios_offset);
+ if ((bios_size < 0 || bios_size > BIOS_SIZE) && !kernel_filename) {
+ fprintf(stderr,
+ "qemu: Could not load MIPS bios '%s', and no -kernel argument was specified\n",
+ buf);
+ exit(1);
+ }
+ }
+ /* In little endian mode the 32bit words in the bios are swapped,
+ a neat trick which allows bi-endian firmware. */
+#ifndef TARGET_WORDS_BIGENDIAN
+ {
+ uint32_t *addr;
+ for (addr = (uint32_t *)(phys_ram_base + bios_offset);
+ addr < (uint32_t *)(phys_ram_base + bios_offset + bios_size);
+ addr++) {
+ *addr = bswap32(*addr);
+ }
+ }
+#endif
}
/* Board ID = 0x420 (Malta Board with CoreLV)
pci_bus = pci_gt64120_init(i8259);
/* Southbridge */
+
+ if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
+ fprintf(stderr, "qemu: too many IDE bus\n");
+ exit(1);
+ }
+
+ for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
+ index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
+ if (index != -1)
+ hd[i] = drives_table[index].bdrv;
+ else
+ hd[i] = NULL;
+ }
+
piix4_devfn = piix4_init(pci_bus, 80);
- pci_piix4_ide_init(pci_bus, bs_table, piix4_devfn + 1, i8259);
+ pci_piix4_ide_init(pci_bus, hd, piix4_devfn + 1, i8259);
usb_uhci_piix4_init(pci_bus, piix4_devfn + 2);
smbus = piix4_pm_init(pci_bus, piix4_devfn + 3, 0x1100);
eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
serial_init(0x2f8, i8259[3], serial_hds[1]);
if (parallel_hds[0])
parallel_init(0x378, i8259[7], parallel_hds[0]);
- /* XXX: The floppy controller does not work correctly, something is
- probably wrong.
- floppy_controller = fdctrl_init(i8259[6], 2, 0, 0x3f0, fd_table); */
+ for(i = 0; i < MAX_FD; i++) {
+ index = drive_get_index(IF_FLOPPY, 0, i);
+ if (index != -1)
+ fd[i] = drives_table[index].bdrv;
+ else
+ fd[i] = NULL;
+ }
+ floppy_controller = fdctrl_init(i8259[6], 2, 0, 0x3f0, fd);
/* Sound card */
#ifdef HAS_AUDIO
projects / qemu / blobdiff