Initial Contribution

1 files changed, 0 insertions, 291 deletions

diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c
deleted file mode 100644
index 22d742a..0000000
--- a/hw/mips_r4k.c
+++ /dev/null
@@ -1,291 +0,0 @@
-#include "vl.h"
-
-#define BIOS_FILENAME "mips_bios.bin"
-//#define BIOS_FILENAME "system.bin"
-#define KERNEL_LOAD_ADDR 0x80010000
-#define INITRD_LOAD_ADDR 0x80800000
-
-#define VIRT_TO_PHYS_ADDEND (-0x80000000LL)
-
-extern FILE *logfile;
-
-static PITState *pit;
-
-static void pic_irq_request(void *opaque, int level)
-{
-    CPUState *env = first_cpu;
-    if (level) {
-        env->CP0_Cause |= 0x00000400;
-        cpu_interrupt(env, CPU_INTERRUPT_HARD);
-    } else {
-	env->CP0_Cause &= ~0x00000400;
-        cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
-    }
-}
-
-void cpu_mips_irqctrl_init (void)
-{
-}
-
-/* XXX: do not use a global */
-uint32_t cpu_mips_get_random (CPUState *env)
-{
-    static uint32_t seed = 0;
-    uint32_t idx;
-    seed = seed * 314159 + 1;
-    idx = (seed >> 16) % (MIPS_TLB_NB - env->CP0_Wired) + env->CP0_Wired;
-    return idx;
-}
-
-/* MIPS R4K timer */
-uint32_t cpu_mips_get_count (CPUState *env)
-{
-    return env->CP0_Count +
-        (uint32_t)muldiv64(qemu_get_clock(vm_clock),
-                           100 * 1000 * 1000, ticks_per_sec);
-}
-
-static void cpu_mips_update_count (CPUState *env, uint32_t count,
-                                   uint32_t compare)
-{
-    uint64_t now, next;
-    uint32_t tmp;
-    
-    tmp = count;
-    if (count == compare)
-        tmp++;
-    now = qemu_get_clock(vm_clock);
-    next = now + muldiv64(compare - tmp, ticks_per_sec, 100 * 1000 * 1000);
-    if (next == now)
-	next++;
-#if 0
-    if (logfile) {
-        fprintf(logfile, "%s: 0x%08" PRIx64 " %08x %08x => 0x%08" PRIx64 "\n",
-                __func__, now, count, compare, next - now);
-    }
-#endif
-    /* Store new count and compare registers */
-    env->CP0_Compare = compare;
-    env->CP0_Count =
-        count - (uint32_t)muldiv64(now, 100 * 1000 * 1000, ticks_per_sec);
-    /* Adjust timer */
-    qemu_mod_timer(env->timer, next);
-}
-
-void cpu_mips_store_count (CPUState *env, uint32_t value)
-{
-    cpu_mips_update_count(env, value, env->CP0_Compare);
-}
-
-void cpu_mips_store_compare (CPUState *env, uint32_t value)
-{
-    cpu_mips_update_count(env, cpu_mips_get_count(env), value);
-    env->CP0_Cause &= ~0x00008000;
-    cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
-}
-
-static void mips_timer_cb (void *opaque)
-{
-    CPUState *env;
-
-    env = opaque;
-#if 0
-    if (logfile) {
-        fprintf(logfile, "%s\n", __func__);
-    }
-#endif
-    cpu_mips_update_count(env, cpu_mips_get_count(env), env->CP0_Compare);
-    env->CP0_Cause |= 0x00008000;
-    cpu_interrupt(env, CPU_INTERRUPT_HARD);
-}
-
-void cpu_mips_clock_init (CPUState *env)
-{
-    env->timer = qemu_new_timer(vm_clock, &mips_timer_cb, env);
-    env->CP0_Compare = 0;
-    cpu_mips_update_count(env, 1, 0);
-}
-
-
-static void io_writeb (void *opaque, target_phys_addr_t addr, uint32_t value)
-{
-#if 0
-    if (logfile)
-        fprintf(logfile, "%s: addr %08x val %08x\n", __func__, addr, value);
-#endif
-    cpu_outb(NULL, addr & 0xffff, value);
-}
-
-static uint32_t io_readb (void *opaque, target_phys_addr_t addr)
-{
-    uint32_t ret = cpu_inb(NULL, addr & 0xffff);
-#if 0
-    if (logfile)
-        fprintf(logfile, "%s: addr %08x val %08x\n", __func__, addr, ret);
-#endif
-    return ret;
-}
-
-static void io_writew (void *opaque, target_phys_addr_t addr, uint32_t value)
-{
-#if 0
-    if (logfile)
-        fprintf(logfile, "%s: addr %08x val %08x\n", __func__, addr, value);
-#endif
-#ifdef TARGET_WORDS_BIGENDIAN
-    value = bswap16(value);
-#endif
-    cpu_outw(NULL, addr & 0xffff, value);
-}
-
-static uint32_t io_readw (void *opaque, target_phys_addr_t addr)
-{
-    uint32_t ret = cpu_inw(NULL, addr & 0xffff);
-#ifdef TARGET_WORDS_BIGENDIAN
-    ret = bswap16(ret);
-#endif
-#if 0
-    if (logfile)
-        fprintf(logfile, "%s: addr %08x val %08x\n", __func__, addr, ret);
-#endif
-    return ret;
-}
-
-static void io_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
-{
-#if 0
-    if (logfile)
-        fprintf(logfile, "%s: addr %08x val %08x\n", __func__, addr, value);
-#endif
-#ifdef TARGET_WORDS_BIGENDIAN
-    value = bswap32(value);
-#endif
-    cpu_outl(NULL, addr & 0xffff, value);
-}
-
-static uint32_t io_readl (void *opaque, target_phys_addr_t addr)
-{
-    uint32_t ret = cpu_inl(NULL, addr & 0xffff);
-
-#ifdef TARGET_WORDS_BIGENDIAN
-    ret = bswap32(ret);
-#endif
-#if 0
-    if (logfile)
-        fprintf(logfile, "%s: addr %08x val %08x\n", __func__, addr, ret);
-#endif
-    return ret;
-}
-
-CPUWriteMemoryFunc *io_write[] = {
-    &io_writeb,
-    &io_writew,
-    &io_writel,
-};
-
-CPUReadMemoryFunc *io_read[] = {
-    &io_readb,
-    &io_readw,
-    &io_readl,
-};
-
-void mips_r4k_init (int ram_size, int vga_ram_size, int boot_device,
-                    DisplayState *ds, const char **fd_filename, int snapshot,
-                    const char *kernel_filename, const char *kernel_cmdline,
-                    const char *initrd_filename)
-{
-    char buf[1024];
-    int64_t entry = 0;
-    unsigned long bios_offset;
-    int io_memory;
-    int ret;
-    CPUState *env;
-    long kernel_size;
-
-    env = cpu_init();
-    register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
-
-    /* allocate RAM */
-    cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
-
-    /* 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. */
-    bios_offset = ram_size + vga_ram_size;
-    snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
-    ret = load_image(buf, phys_ram_base + bios_offset);
-    if (ret == BIOS_SIZE) {
-	cpu_register_physical_memory((uint32_t)(0x1fc00000),
-				     BIOS_SIZE, bios_offset | IO_MEM_ROM);
-    } else {
-	/* not fatal */
-        fprintf(stderr, "qemu: Warning, could not load MIPS bios '%s'\n",
-		buf);
-    }
-
-    kernel_size = 0;
-    if (kernel_filename) {
-	kernel_size = load_elf(kernel_filename, VIRT_TO_PHYS_ADDEND, &entry);
-	if (kernel_size >= 0)
-	    env->PC = entry;
-	else {
-	    kernel_size = load_image(kernel_filename,
-                                     phys_ram_base + KERNEL_LOAD_ADDR + VIRT_TO_PHYS_ADDEND);
-            if (kernel_size < 0) {
-                fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                        kernel_filename);
-                exit(1);
-            }
-            env->PC = KERNEL_LOAD_ADDR;
-	}
-
-        /* load initrd */
-        if (initrd_filename) {
-            if (load_image(initrd_filename,
-			   phys_ram_base + INITRD_LOAD_ADDR + VIRT_TO_PHYS_ADDEND)
-		== (target_ulong) -1) {
-                fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", 
-                        initrd_filename);
-                exit(1);
-            }
-        }
-
-	/* Store command line.  */
-        strcpy (phys_ram_base + (16 << 20) - 256, kernel_cmdline);
-        /* FIXME: little endian support */
-        *(int *)(phys_ram_base + (16 << 20) - 260) = tswap32 (0x12345678);
-        *(int *)(phys_ram_base + (16 << 20) - 264) = tswap32 (ram_size);
-    }
-
-    /* Init internal devices */
-    cpu_mips_clock_init(env);
-    cpu_mips_irqctrl_init();
-
-    /* Register 64 KB of ISA IO space at 0x14000000 */
-    io_memory = cpu_register_io_memory(0, io_read, io_write, NULL);
-    cpu_register_physical_memory(0x14000000, 0x00010000, io_memory);
-    isa_mem_base = 0x10000000;
-
-    isa_pic = pic_init(pic_irq_request, env);
-    pit = pit_init(0x40, 0);
-    serial_init(&pic_set_irq_new, isa_pic, 0x3f8, 4, serial_hds[0]);
-    vga_initialize(NULL, ds, phys_ram_base + ram_size, ram_size, 
-                   vga_ram_size, 0, 0);
-
-    if (nd_table[0].vlan) {
-        if (nd_table[0].model == NULL
-            || strcmp(nd_table[0].model, "ne2k_isa") == 0) {
-            isa_ne2000_init(0x300, 9, &nd_table[0]);
-        } else {
-            fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
-            exit (1);
-        }
-    }
-}
-
-QEMUMachine mips_machine = {
-    "mips",
-    "mips r4k platform",
-    mips_r4k_init,
-};