/*
* QEMU Sun4u System Emulator
- *
+ *
* Copyright (c) 2005 Fabrice Bellard
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include "vl.h"
-#include "m48t59.h"
+#include "hw.h"
+#include "pci.h"
+#include "pc.h"
+#include "nvram.h"
+#include "fdc.h"
+#include "net.h"
+#include "qemu-timer.h"
+#include "sysemu.h"
+#include "boards.h"
+#include "firmware_abi.h"
#define KERNEL_LOAD_ADDR 0x00404000
#define CMDLINE_ADDR 0x003ff000
#define INITRD_LOAD_ADDR 0x00300000
#define PROM_SIZE_MAX (512 * 1024)
-#define PROM_ADDR 0x1fff0000000ULL
+#define PROM_ADDR 0x1fff0000000ULL
+#define PROM_VADDR 0x000ffd00000ULL
#define APB_SPECIAL_BASE 0x1fe00000000ULL
-#define APB_MEM_BASE 0x1ff00000000ULL
-#define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
-#define PROM_FILENAME "openbios-sparc64"
+#define APB_MEM_BASE 0x1ff00000000ULL
+#define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
+#define PROM_FILENAME "openbios-sparc64"
#define NVRAM_SIZE 0x2000
/* TSC handling */
{
}
-/* NVRAM helpers */
-void NVRAM_set_byte (m48t59_t *nvram, uint32_t addr, uint8_t value)
-{
- m48t59_write(nvram, addr, value);
-}
-
-uint8_t NVRAM_get_byte (m48t59_t *nvram, uint32_t addr)
-{
- return m48t59_read(nvram, addr);
-}
-
-void NVRAM_set_word (m48t59_t *nvram, uint32_t addr, uint16_t value)
-{
- m48t59_write(nvram, addr, value >> 8);
- m48t59_write(nvram, addr + 1, value & 0xFF);
-}
-
-uint16_t NVRAM_get_word (m48t59_t *nvram, uint32_t addr)
-{
- uint16_t tmp;
-
- tmp = m48t59_read(nvram, addr) << 8;
- tmp |= m48t59_read(nvram, addr + 1);
-
- return tmp;
-}
-
-void NVRAM_set_lword (m48t59_t *nvram, uint32_t addr, uint32_t value)
-{
- m48t59_write(nvram, addr, value >> 24);
- m48t59_write(nvram, addr + 1, (value >> 16) & 0xFF);
- m48t59_write(nvram, addr + 2, (value >> 8) & 0xFF);
- m48t59_write(nvram, addr + 3, value & 0xFF);
-}
-
-uint32_t NVRAM_get_lword (m48t59_t *nvram, uint32_t addr)
-{
- uint32_t tmp;
-
- tmp = m48t59_read(nvram, addr) << 24;
- tmp |= m48t59_read(nvram, addr + 1) << 16;
- tmp |= m48t59_read(nvram, addr + 2) << 8;
- tmp |= m48t59_read(nvram, addr + 3);
-
- return tmp;
-}
-
-void NVRAM_set_string (m48t59_t *nvram, uint32_t addr,
- const unsigned char *str, uint32_t max)
-{
- int i;
-
- for (i = 0; i < max && str[i] != '\0'; i++) {
- m48t59_write(nvram, addr + i, str[i]);
- }
- m48t59_write(nvram, addr + max - 1, '\0');
-}
-
-int NVRAM_get_string (m48t59_t *nvram, uint8_t *dst, uint16_t addr, int max)
-{
- int i;
-
- memset(dst, 0, max);
- for (i = 0; i < max; i++) {
- dst[i] = NVRAM_get_byte(nvram, addr + i);
- if (dst[i] == '\0')
- break;
- }
-
- return i;
-}
-
-static uint16_t NVRAM_crc_update (uint16_t prev, uint16_t value)
-{
- uint16_t tmp;
- uint16_t pd, pd1, pd2;
-
- tmp = prev >> 8;
- pd = prev ^ value;
- pd1 = pd & 0x000F;
- pd2 = ((pd >> 4) & 0x000F) ^ pd1;
- tmp ^= (pd1 << 3) | (pd1 << 8);
- tmp ^= pd2 | (pd2 << 7) | (pd2 << 12);
-
- return tmp;
-}
-
-uint16_t NVRAM_compute_crc (m48t59_t *nvram, uint32_t start, uint32_t count)
-{
- uint32_t i;
- uint16_t crc = 0xFFFF;
- int odd;
-
- odd = count & 1;
- count &= ~1;
- for (i = 0; i != count; i++) {
- crc = NVRAM_crc_update(crc, NVRAM_get_word(nvram, start + i));
- }
- if (odd) {
- crc = NVRAM_crc_update(crc, NVRAM_get_byte(nvram, start + i) << 8);
- }
-
- return crc;
-}
-
-static uint32_t nvram_set_var (m48t59_t *nvram, uint32_t addr,
- const unsigned char *str)
-{
- uint32_t len;
-
- len = strlen(str) + 1;
- NVRAM_set_string(nvram, addr, str, len);
-
- return addr + len;
-}
-
-static void nvram_finish_partition (m48t59_t *nvram, uint32_t start,
- uint32_t end)
-{
- unsigned int i, sum;
-
- // Length divided by 16
- m48t59_write(nvram, start + 2, ((end - start) >> 12) & 0xff);
- m48t59_write(nvram, start + 3, ((end - start) >> 4) & 0xff);
- // Checksum
- sum = m48t59_read(nvram, start);
- for (i = 0; i < 14; i++) {
- sum += m48t59_read(nvram, start + 2 + i);
- sum = (sum + ((sum & 0xff00) >> 8)) & 0xff;
- }
- m48t59_write(nvram, start + 1, sum & 0xff);
-}
-
extern int nographic;
-int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
- const unsigned char *arch,
- uint32_t RAM_size, int boot_device,
- uint32_t kernel_image, uint32_t kernel_size,
- const char *cmdline,
- uint32_t initrd_image, uint32_t initrd_size,
- uint32_t NVRAM_image,
- int width, int height, int depth)
+static int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
+ const unsigned char *arch,
+ uint32_t RAM_size, const char *boot_devices,
+ uint32_t kernel_image, uint32_t kernel_size,
+ const char *cmdline,
+ uint32_t initrd_image, uint32_t initrd_size,
+ uint32_t NVRAM_image,
+ int width, int height, int depth)
{
- uint16_t crc;
unsigned int i;
uint32_t start, end;
-
- /* Set parameters for Open Hack'Ware BIOS */
- NVRAM_set_string(nvram, 0x00, "QEMU_BIOS", 16);
- NVRAM_set_lword(nvram, 0x10, 0x00000002); /* structure v2 */
- NVRAM_set_word(nvram, 0x14, NVRAM_size);
- NVRAM_set_string(nvram, 0x20, arch, 16);
- NVRAM_set_byte(nvram, 0x2f, nographic & 0xff);
- NVRAM_set_lword(nvram, 0x30, RAM_size);
- NVRAM_set_byte(nvram, 0x34, boot_device);
- NVRAM_set_lword(nvram, 0x38, kernel_image);
- NVRAM_set_lword(nvram, 0x3C, kernel_size);
+ uint8_t image[0x1ff0];
+ ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ
+ struct sparc_arch_cfg *sparc_header;
+ struct OpenBIOS_nvpart_v1 *part_header;
+
+ memset(image, '\0', sizeof(image));
+
+ // Try to match PPC NVRAM
+ strcpy(header->struct_ident, "QEMU_BIOS");
+ header->struct_version = cpu_to_be32(3); /* structure v3 */
+
+ header->nvram_size = cpu_to_be16(NVRAM_size);
+ header->nvram_arch_ptr = cpu_to_be16(sizeof(ohwcfg_v3_t));
+ header->nvram_arch_size = cpu_to_be16(sizeof(struct sparc_arch_cfg));
+ strcpy(header->arch, arch);
+ header->nb_cpus = smp_cpus & 0xff;
+ header->RAM0_base = 0;
+ header->RAM0_size = cpu_to_be64((uint64_t)RAM_size);
+ strcpy(header->boot_devices, boot_devices);
+ header->nboot_devices = strlen(boot_devices) & 0xff;
+ header->kernel_image = cpu_to_be64((uint64_t)kernel_image);
+ header->kernel_size = cpu_to_be64((uint64_t)kernel_size);
if (cmdline) {
- /* XXX: put the cmdline in NVRAM too ? */
strcpy(phys_ram_base + CMDLINE_ADDR, cmdline);
- NVRAM_set_lword(nvram, 0x40, CMDLINE_ADDR);
- NVRAM_set_lword(nvram, 0x44, strlen(cmdline));
- } else {
- NVRAM_set_lword(nvram, 0x40, 0);
- NVRAM_set_lword(nvram, 0x44, 0);
+ header->cmdline = cpu_to_be64((uint64_t)CMDLINE_ADDR);
+ header->cmdline_size = cpu_to_be64((uint64_t)strlen(cmdline));
}
- NVRAM_set_lword(nvram, 0x48, initrd_image);
- NVRAM_set_lword(nvram, 0x4C, initrd_size);
- NVRAM_set_lword(nvram, 0x50, NVRAM_image);
+ header->initrd_image = cpu_to_be64((uint64_t)initrd_image);
+ header->initrd_size = cpu_to_be64((uint64_t)initrd_size);
+ header->NVRAM_image = cpu_to_be64((uint64_t)NVRAM_image);
+
+ header->width = cpu_to_be16(width);
+ header->height = cpu_to_be16(height);
+ header->depth = cpu_to_be16(depth);
+ if (nographic)
+ header->graphic_flags = cpu_to_be16(OHW_GF_NOGRAPHICS);
+
+ header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
- NVRAM_set_word(nvram, 0x54, width);
- NVRAM_set_word(nvram, 0x56, height);
- NVRAM_set_word(nvram, 0x58, depth);
- crc = NVRAM_compute_crc(nvram, 0x00, 0xF8);
- NVRAM_set_word(nvram, 0xFC, crc);
+ // Architecture specific header
+ start = sizeof(ohwcfg_v3_t);
+ sparc_header = (struct sparc_arch_cfg *)&image[start];
+ sparc_header->valid = 0;
+ start += sizeof(struct sparc_arch_cfg);
// OpenBIOS nvram variables
// Variable partition
- start = 252;
- m48t59_write(nvram, start, 0x70);
- NVRAM_set_string(nvram, start + 4, "system", 12);
+ part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
+ part_header->signature = OPENBIOS_PART_SYSTEM;
+ strcpy(part_header->name, "system");
- end = start + 16;
+ end = start + sizeof(struct OpenBIOS_nvpart_v1);
for (i = 0; i < nb_prom_envs; i++)
- end = nvram_set_var(nvram, end, prom_envs[i]);
+ end = OpenBIOS_set_var(image, end, prom_envs[i]);
+
+ // End marker
+ image[end++] = '\0';
- m48t59_write(nvram, end++ , 0);
end = start + ((end - start + 15) & ~15);
- nvram_finish_partition(nvram, start, end);
+ OpenBIOS_finish_partition(part_header, end - start);
// free partition
start = end;
- m48t59_write(nvram, start, 0x7f);
- NVRAM_set_string(nvram, start + 4, "free", 12);
+ part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
+ part_header->signature = OPENBIOS_PART_FREE;
+ strcpy(part_header->name, "free");
end = 0x1fd0;
- nvram_finish_partition(nvram, start, end);
+ OpenBIOS_finish_partition(part_header, end - start);
+
+ for (i = 0; i < sizeof(image); i++)
+ m48t59_write(nvram, i, image[i]);
return 0;
}
cpu_interrupt(env, CPU_INTERRUPT_TIMER);
}
+static void dummy_cpu_set_irq(void *opaque, int irq, int level)
+{
+}
+
static const int ide_iobase[2] = { 0x1f0, 0x170 };
static const int ide_iobase2[2] = { 0x3f6, 0x376 };
static const int ide_irq[2] = { 14, 15 };
static fdctrl_t *floppy_controller;
/* Sun4u hardware initialisation */
-static void sun4u_init(int ram_size, int vga_ram_size, int boot_device,
+static void sun4u_init(int ram_size, int vga_ram_size, const char *boot_devices,
DisplayState *ds, const char **fd_filename, int snapshot,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
unsigned int i;
long prom_offset, initrd_size, kernel_size;
PCIBus *pci_bus;
- const sparc_def_t *def;
QEMUBH *bh;
+ qemu_irq *irq;
linux_boot = (kernel_filename != NULL);
/* init CPUs */
if (cpu_model == NULL)
cpu_model = "TI UltraSparc II";
- sparc_find_by_name(cpu_model, &def);
- if (def == NULL) {
+ env = cpu_init(cpu_model);
+ if (!env) {
fprintf(stderr, "Unable to find Sparc CPU definition\n");
exit(1);
}
- env = cpu_init();
- cpu_sparc_register(env, def);
bh = qemu_bh_new(tick_irq, env);
env->tick = ptimer_init(bh);
ptimer_set_period(env->tick, 1ULL);
cpu_register_physical_memory(0, ram_size, 0);
prom_offset = ram_size + vga_ram_size;
- cpu_register_physical_memory(PROM_ADDR,
- (PROM_SIZE_MAX + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK,
+ cpu_register_physical_memory(PROM_ADDR,
+ (PROM_SIZE_MAX + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK,
prom_offset | IO_MEM_ROM);
- snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAME);
- ret = load_elf(buf, 0, NULL, NULL, NULL);
+ if (bios_name == NULL)
+ bios_name = PROM_FILENAME;
+ snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
+ ret = load_elf(buf, PROM_ADDR - PROM_VADDR, NULL, NULL, NULL);
if (ret < 0) {
- fprintf(stderr, "qemu: could not load prom '%s'\n",
- buf);
- exit(1);
+ fprintf(stderr, "qemu: could not load prom '%s'\n",
+ buf);
+ exit(1);
}
kernel_size = 0;
/* XXX: put correct offset */
kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL);
if (kernel_size < 0)
- kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
- if (kernel_size < 0)
- kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
+ kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
+ if (kernel_size < 0)
+ kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
if (kernel_size < 0) {
- fprintf(stderr, "qemu: could not load kernel '%s'\n",
+ fprintf(stderr, "qemu: could not load kernel '%s'\n",
kernel_filename);
- exit(1);
+ exit(1);
}
/* load initrd */
if (initrd_filename) {
initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR);
if (initrd_size < 0) {
- fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
+ fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
initrd_filename);
exit(1);
}
}
if (initrd_size > 0) {
- for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
- if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i)
- == 0x48647253) { // HdrS
- stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
- stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size);
- break;
- }
- }
+ for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
+ if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i)
+ == 0x48647253) { // HdrS
+ stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
+ stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size);
+ break;
+ }
+ }
}
}
pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL);
for(i = 0; i < nb_nics; i++) {
if (!nd_table[i].model)
nd_table[i].model = "ne2k_pci";
- pci_nic_init(pci_bus, &nd_table[i], -1);
+ pci_nic_init(pci_bus, &nd_table[i], -1);
}
- pci_cmd646_ide_init(pci_bus, bs_table, 1);
+ irq = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, 32);
+ // XXX pci_cmd646_ide_init(pci_bus, bs_table, 1);
+ pci_piix3_ide_init(pci_bus, bs_table, -1, irq);
/* FIXME: wire up interrupts. */
i8042_init(NULL/*1*/, NULL/*12*/, 0x60);
floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd_table);
nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59);
- sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", ram_size, boot_device,
+ sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", ram_size, boot_devices,
KERNEL_LOAD_ADDR, kernel_size,
kernel_cmdline,
INITRD_LOAD_ADDR, initrd_size,
projects / qemu / blobdiff