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-rw-r--r--hw/sun4m.c324
1 files changed, 0 insertions, 324 deletions
diff --git a/hw/sun4m.c b/hw/sun4m.c
deleted file mode 100644
index 203732f..0000000
--- a/hw/sun4m.c
+++ /dev/null
@@ -1,324 +0,0 @@
-/*
- * QEMU Sun4m System Emulator
- *
- * Copyright (c) 2003-2005 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
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "vl.h"
-
-#define KERNEL_LOAD_ADDR 0x00004000
-#define CMDLINE_ADDR 0x007ff000
-#define INITRD_LOAD_ADDR 0x00800000
-#define PROM_SIZE_MAX (256 * 1024)
-#define PROM_ADDR 0xffd00000
-#define PROM_FILENAME "openbios-sparc32"
-#define PHYS_JJ_EEPROM 0x71200000 /* m48t08 */
-#define PHYS_JJ_IDPROM_OFF 0x1FD8
-#define PHYS_JJ_EEPROM_SIZE 0x2000
-// IRQs are not PIL ones, but master interrupt controller register
-// bits
-#define PHYS_JJ_IOMMU 0x10000000 /* I/O MMU */
-#define PHYS_JJ_TCX_FB 0x50000000 /* TCX frame buffer */
-#define PHYS_JJ_SLAVIO 0x70000000 /* Slavio base */
-#define PHYS_JJ_ESPDMA 0x78400000 /* ESP DMA controller */
-#define PHYS_JJ_ESP 0x78800000 /* ESP SCSI */
-#define PHYS_JJ_ESP_IRQ 18
-#define PHYS_JJ_LEDMA 0x78400010 /* Lance DMA controller */
-#define PHYS_JJ_LE 0x78C00000 /* Lance ethernet */
-#define PHYS_JJ_LE_IRQ 16
-#define PHYS_JJ_CLOCK 0x71D00000 /* Per-CPU timer/counter, L14 */
-#define PHYS_JJ_CLOCK_IRQ 7
-#define PHYS_JJ_CLOCK1 0x71D10000 /* System timer/counter, L10 */
-#define PHYS_JJ_CLOCK1_IRQ 19
-#define PHYS_JJ_INTR0 0x71E00000 /* Per-CPU interrupt control registers */
-#define PHYS_JJ_INTR_G 0x71E10000 /* Master interrupt control registers */
-#define PHYS_JJ_MS_KBD 0x71000000 /* Mouse and keyboard */
-#define PHYS_JJ_MS_KBD_IRQ 14
-#define PHYS_JJ_SER 0x71100000 /* Serial */
-#define PHYS_JJ_SER_IRQ 15
-#define PHYS_JJ_FDC 0x71400000 /* Floppy */
-#define PHYS_JJ_FLOPPY_IRQ 22
-#define PHYS_JJ_ME_IRQ 30 /* Module error, power fail */
-#define MAX_CPUS 16
-
-/* TSC handling */
-
-uint64_t cpu_get_tsc()
-{
- return qemu_get_clock(vm_clock);
-}
-
-int DMA_get_channel_mode (int nchan)
-{
- return 0;
-}
-int DMA_read_memory (int nchan, void *buf, int pos, int size)
-{
- return 0;
-}
-int DMA_write_memory (int nchan, void *buf, int pos, int size)
-{
- return 0;
-}
-void DMA_hold_DREQ (int nchan) {}
-void DMA_release_DREQ (int nchan) {}
-void DMA_schedule(int nchan) {}
-void DMA_run (void) {}
-void DMA_init (int high_page_enable) {}
-void DMA_register_channel (int nchan,
- DMA_transfer_handler transfer_handler,
- void *opaque)
-{
-}
-
-static void nvram_set_word (m48t59_t *nvram, uint32_t addr, uint16_t value)
-{
- m48t59_write(nvram, addr++, (value >> 8) & 0xff);
- m48t59_write(nvram, addr++, value & 0xff);
-}
-
-static void nvram_set_lword (m48t59_t *nvram, uint32_t addr, uint32_t value)
-{
- m48t59_write(nvram, addr++, value >> 24);
- m48t59_write(nvram, addr++, (value >> 16) & 0xff);
- m48t59_write(nvram, addr++, (value >> 8) & 0xff);
- m48t59_write(nvram, addr++, value & 0xff);
-}
-
-static void nvram_set_string (m48t59_t *nvram, uint32_t addr,
- const unsigned char *str, uint32_t max)
-{
- unsigned 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');
-}
-
-static m48t59_t *nvram;
-
-extern int nographic;
-
-static void nvram_init(m48t59_t *nvram, uint8_t *macaddr, const char *cmdline,
- int boot_device, uint32_t RAM_size,
- uint32_t kernel_size,
- int width, int height, int depth)
-{
- unsigned char tmp = 0;
- int i, j;
-
- // Try to match PPC NVRAM
- nvram_set_string(nvram, 0x00, "QEMU_BIOS", 16);
- nvram_set_lword(nvram, 0x10, 0x00000001); /* structure v1 */
- // NVRAM_size, arch not applicable
- m48t59_write(nvram, 0x2D, smp_cpus & 0xff);
- m48t59_write(nvram, 0x2E, 0);
- m48t59_write(nvram, 0x2F, nographic & 0xff);
- nvram_set_lword(nvram, 0x30, RAM_size);
- m48t59_write(nvram, 0x34, boot_device & 0xff);
- nvram_set_lword(nvram, 0x38, KERNEL_LOAD_ADDR);
- nvram_set_lword(nvram, 0x3C, kernel_size);
- if (cmdline) {
- strcpy(phys_ram_base + CMDLINE_ADDR, cmdline);
- nvram_set_lword(nvram, 0x40, CMDLINE_ADDR);
- nvram_set_lword(nvram, 0x44, strlen(cmdline));
- }
- // initrd_image, initrd_size passed differently
- nvram_set_word(nvram, 0x54, width);
- nvram_set_word(nvram, 0x56, height);
- nvram_set_word(nvram, 0x58, depth);
-
- // Sun4m specific use
- i = 0x1fd8;
- m48t59_write(nvram, i++, 0x01);
- m48t59_write(nvram, i++, 0x80); /* Sun4m OBP */
- j = 0;
- m48t59_write(nvram, i++, macaddr[j++]);
- m48t59_write(nvram, i++, macaddr[j++]);
- m48t59_write(nvram, i++, macaddr[j++]);
- m48t59_write(nvram, i++, macaddr[j++]);
- m48t59_write(nvram, i++, macaddr[j++]);
- m48t59_write(nvram, i, macaddr[j]);
-
- /* Calculate checksum */
- for (i = 0x1fd8; i < 0x1fe7; i++) {
- tmp ^= m48t59_read(nvram, i);
- }
- m48t59_write(nvram, 0x1fe7, tmp);
-}
-
-static void *slavio_intctl;
-
-void pic_info()
-{
- slavio_pic_info(slavio_intctl);
-}
-
-void irq_info()
-{
- slavio_irq_info(slavio_intctl);
-}
-
-void pic_set_irq(int irq, int level)
-{
- slavio_pic_set_irq(slavio_intctl, irq, level);
-}
-
-void pic_set_irq_new(void *opaque, int irq, int level)
-{
- pic_set_irq(irq, level);
-}
-
-void pic_set_irq_cpu(int irq, int level, unsigned int cpu)
-{
- slavio_pic_set_irq_cpu(slavio_intctl, irq, level, cpu);
-}
-
-static void *iommu;
-
-uint32_t iommu_translate(uint32_t addr)
-{
- return iommu_translate_local(iommu, addr);
-}
-
-static void *slavio_misc;
-
-void qemu_system_powerdown(void)
-{
- slavio_set_power_fail(slavio_misc, 1);
-}
-
-static void main_cpu_reset(void *opaque)
-{
- CPUState *env = opaque;
- cpu_reset(env);
-}
-
-/* Sun4m hardware initialisation */
-static void sun4m_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)
-{
- CPUState *env, *envs[MAX_CPUS];
- char buf[1024];
- int ret, linux_boot;
- unsigned int i;
- long vram_size = 0x100000, prom_offset, initrd_size, kernel_size;
-
- linux_boot = (kernel_filename != NULL);
-
- /* init CPUs */
- for(i = 0; i < smp_cpus; i++) {
- env = cpu_init();
- envs[i] = env;
- if (i != 0)
- env->halted = 1;
- register_savevm("cpu", i, 3, cpu_save, cpu_load, env);
- qemu_register_reset(main_cpu_reset, env);
- }
- /* allocate RAM */
- cpu_register_physical_memory(0, ram_size, 0);
-
- iommu = iommu_init(PHYS_JJ_IOMMU);
- slavio_intctl = slavio_intctl_init(PHYS_JJ_INTR0, PHYS_JJ_INTR_G);
- for(i = 0; i < smp_cpus; i++) {
- slavio_intctl_set_cpu(slavio_intctl, i, envs[i]);
- }
-
- tcx_init(ds, PHYS_JJ_TCX_FB, phys_ram_base + ram_size, ram_size, vram_size, graphic_width, graphic_height);
- if (nd_table[0].vlan) {
- if (nd_table[0].model == NULL
- || strcmp(nd_table[0].model, "lance") == 0) {
- lance_init(&nd_table[0], PHYS_JJ_LE_IRQ, PHYS_JJ_LE, PHYS_JJ_LEDMA);
- } else {
- fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
- exit (1);
- }
- }
- nvram = m48t59_init(0, PHYS_JJ_EEPROM, 0, PHYS_JJ_EEPROM_SIZE, 8);
- for (i = 0; i < MAX_CPUS; i++) {
- slavio_timer_init(PHYS_JJ_CLOCK + i * TARGET_PAGE_SIZE, PHYS_JJ_CLOCK_IRQ, 0, i);
- }
- slavio_timer_init(PHYS_JJ_CLOCK1, PHYS_JJ_CLOCK1_IRQ, 2, (unsigned int)-1);
- slavio_serial_ms_kbd_init(PHYS_JJ_MS_KBD, PHYS_JJ_MS_KBD_IRQ);
- // Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device
- // Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device
- slavio_serial_init(PHYS_JJ_SER, PHYS_JJ_SER_IRQ, serial_hds[1], serial_hds[0]);
- fdctrl_init(PHYS_JJ_FLOPPY_IRQ, 0, 1, PHYS_JJ_FDC, fd_table);
- esp_init(bs_table, PHYS_JJ_ESP_IRQ, PHYS_JJ_ESP, PHYS_JJ_ESPDMA);
- slavio_misc = slavio_misc_init(PHYS_JJ_SLAVIO, PHYS_JJ_ME_IRQ);
-
- prom_offset = ram_size + vram_size;
- cpu_register_physical_memory(PROM_ADDR,
- (PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK,
- prom_offset | IO_MEM_ROM);
-
- snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAME);
- ret = load_elf(buf, 0, NULL);
- if (ret < 0) {
- fprintf(stderr, "qemu: could not load prom '%s'\n",
- buf);
- exit(1);
- }
-
- kernel_size = 0;
- if (linux_boot) {
- kernel_size = load_elf(kernel_filename, -0xf0000000, 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);
- if (kernel_size < 0) {
- fprintf(stderr, "qemu: could not load kernel '%s'\n",
- kernel_filename);
- exit(1);
- }
-
- /* load initrd */
- initrd_size = 0;
- 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",
- 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;
- }
- }
- }
- }
- nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline, boot_device, ram_size, kernel_size, graphic_width, graphic_height, graphic_depth);
-}
-
-QEMUMachine sun4m_machine = {
- "sun4m",
- "Sun4m platform",
- sun4m_init,
-};
generated by cgit v1.1 at 2024-05-20 20:53:10 +0000