Initial support for SS-2 (Sun4c)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3870 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2007-12-28 20:59:23 +00:00
parent 7d85892b9b
commit ee76f82edb
7 changed files with 438 additions and 8 deletions

View file

@ -1,5 +1,5 @@
/*
* QEMU Sun4m & Sun4d System Emulator
* QEMU Sun4m & Sun4d & Sun4c System Emulator
*
* Copyright (c) 2003-2005 Fabrice Bellard
*
@ -51,6 +51,13 @@
* SPARCcenter 2000
* SPARCserver 1000
*
* Sun4c architecture was used in the following machines:
* SPARCstation 1/1+, SPARCserver 1/1+
* SPARCstation SLC
* SPARCstation IPC
* SPARCstation ELC
* SPARCstation IPX
*
* See for example: http://www.sunhelp.org/faq/sunref1.html
*/
@ -79,6 +86,7 @@ struct hwdef {
target_phys_addr_t tcx_base, cs_base, power_base;
target_phys_addr_t ecc_base;
uint32_t ecc_version;
target_phys_addr_t sun4c_intctl_base, sun4c_counter_base;
long vram_size, nvram_size;
// IRQ numbers are not PIL ones, but master interrupt controller register
// bit numbers
@ -521,6 +529,142 @@ static void sun4m_hw_init(const struct hwdef *hwdef, int RAM_size,
ecc_init(hwdef->ecc_base, hwdef->ecc_version);
}
static void sun4c_hw_init(const struct hwdef *hwdef, int RAM_size,
const char *boot_device,
DisplayState *ds, const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
CPUState *env;
unsigned int i;
void *iommu, *espdma, *ledma, *main_esp, *nvram;
qemu_irq *cpu_irqs, *slavio_irq, *espdma_irq, *ledma_irq;
qemu_irq *esp_reset, *le_reset;
unsigned long prom_offset, kernel_size;
int ret;
char buf[1024];
BlockDriverState *fd[MAX_FD];
int index;
/* init CPU */
if (!cpu_model)
cpu_model = hwdef->default_cpu_model;
env = cpu_init(cpu_model);
if (!env) {
fprintf(stderr, "Unable to find Sparc CPU definition\n");
exit(1);
}
cpu_sparc_set_id(env, 0);
qemu_register_reset(main_cpu_reset, env);
register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
cpu_irqs = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
/* allocate RAM */
if ((uint64_t)RAM_size > hwdef->max_mem) {
fprintf(stderr, "qemu: Too much memory for this machine: %d, maximum %d\n",
(unsigned int)RAM_size / (1024 * 1024),
(unsigned int)hwdef->max_mem / (1024 * 1024));
exit(1);
}
cpu_register_physical_memory(0, RAM_size, 0);
/* load boot prom */
prom_offset = RAM_size + hwdef->vram_size;
cpu_register_physical_memory(hwdef->slavio_base,
(PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) &
TARGET_PAGE_MASK,
prom_offset | IO_MEM_ROM);
if (bios_name == NULL)
bios_name = PROM_FILENAME;
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
ret = load_elf(buf, hwdef->slavio_base - PROM_VADDR, NULL, NULL, NULL);
if (ret < 0 || ret > PROM_SIZE_MAX)
ret = load_image(buf, phys_ram_base + prom_offset);
if (ret < 0 || ret > PROM_SIZE_MAX) {
fprintf(stderr, "qemu: could not load prom '%s'\n",
buf);
exit(1);
}
prom_offset += (ret + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
/* set up devices */
slavio_intctl = sun4c_intctl_init(hwdef->sun4c_intctl_base,
&slavio_irq, cpu_irqs);
iommu = iommu_init(hwdef->iommu_base, hwdef->iommu_version);
espdma = sparc32_dma_init(hwdef->dma_base, slavio_irq[hwdef->esp_irq],
iommu, &espdma_irq, &esp_reset);
ledma = sparc32_dma_init(hwdef->dma_base + 16ULL,
slavio_irq[hwdef->le_irq], iommu, &ledma_irq,
&le_reset);
if (graphic_depth != 8 && graphic_depth != 24) {
fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
exit (1);
}
tcx_init(ds, hwdef->tcx_base, phys_ram_base + RAM_size, RAM_size,
hwdef->vram_size, graphic_width, graphic_height, graphic_depth);
if (nd_table[0].model == NULL
|| strcmp(nd_table[0].model, "lance") == 0) {
lance_init(&nd_table[0], hwdef->le_base, ledma, *ledma_irq, le_reset);
} else if (strcmp(nd_table[0].model, "?") == 0) {
fprintf(stderr, "qemu: Supported NICs: lance\n");
exit (1);
} else {
fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
exit (1);
}
nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0,
hwdef->nvram_size, 8);
slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[hwdef->ms_kb_irq],
nographic);
// 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(hwdef->serial_base, slavio_irq[hwdef->ser_irq],
serial_hds[1], serial_hds[0]);
if (hwdef->fd_base != (target_phys_addr_t)-1) {
/* there is zero or one floppy drive */
fd[1] = fd[0] = NULL;
index = drive_get_index(IF_FLOPPY, 0, 0);
if (index != -1)
fd[0] = drives_table[index].bdrv;
sun4m_fdctrl_init(slavio_irq[hwdef->fd_irq], hwdef->fd_base, fd);
}
if (drive_get_max_bus(IF_SCSI) > 0) {
fprintf(stderr, "qemu: too many SCSI bus\n");
exit(1);
}
main_esp = esp_init(hwdef->esp_base, espdma, *espdma_irq,
esp_reset);
for (i = 0; i < ESP_MAX_DEVS; i++) {
index = drive_get_index(IF_SCSI, 0, i);
if (index == -1)
continue;
esp_scsi_attach(main_esp, drives_table[index].bdrv, i);
}
kernel_size = sun4m_load_kernel(kernel_filename, kernel_cmdline,
initrd_filename);
nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline,
boot_device, RAM_size, kernel_size, graphic_width,
graphic_height, graphic_depth, hwdef->machine_id, "Sun4c");
}
static const struct hwdef hwdefs[] = {
/* SS-5 */
{
@ -540,6 +684,8 @@ static const struct hwdef hwdefs[] = {
.le_base = 0x78c00000,
.power_base = 0x7a000000,
.ecc_base = -1,
.sun4c_intctl_base = -1,
.sun4c_counter_base = -1,
.vram_size = 0x00100000,
.nvram_size = 0x2000,
.esp_irq = 18,
@ -579,6 +725,8 @@ static const struct hwdef hwdefs[] = {
.power_base = 0xefa000000ULL,
.ecc_base = 0xf00000000ULL,
.ecc_version = 0x10000000, // version 0, implementation 1
.sun4c_intctl_base = -1,
.sun4c_counter_base = -1,
.vram_size = 0x00100000,
.nvram_size = 0x2000,
.esp_irq = 18,
@ -618,6 +766,8 @@ static const struct hwdef hwdefs[] = {
.power_base = 0xefa000000ULL,
.ecc_base = 0xf00000000ULL,
.ecc_version = 0x00000000, // version 0, implementation 0
.sun4c_intctl_base = -1,
.sun4c_counter_base = -1,
.vram_size = 0x00100000,
.nvram_size = 0x2000,
.esp_irq = 18,
@ -657,6 +807,8 @@ static const struct hwdef hwdefs[] = {
.power_base = 0xefa000000ULL,
.ecc_base = 0xf00000000ULL,
.ecc_version = 0x20000000, // version 0, implementation 2
.sun4c_intctl_base = -1,
.sun4c_counter_base = -1,
.vram_size = 0x00100000,
.nvram_size = 0x2000,
.esp_irq = 18,
@ -677,6 +829,39 @@ static const struct hwdef hwdefs[] = {
.max_mem = 0xffffffff, // XXX actually first 62GB ok
.default_cpu_model = "TI SuperSparc II",
},
/* SS-2 */
{
.iommu_base = 0xf8000000,
.tcx_base = 0xfe000000,
.cs_base = -1,
.slavio_base = 0xf6000000,
.ms_kb_base = 0xf0000000,
.serial_base = 0xf1000000,
.nvram_base = 0xf2000000,
.fd_base = 0xf7200000,
.counter_base = -1,
.intctl_base = -1,
.dma_base = 0xf8400000,
.esp_base = 0xf8800000,
.le_base = 0xf8c00000,
.power_base = -1,
.sun4c_intctl_base = 0xf5000000,
.sun4c_counter_base = 0xf3000000,
.vram_size = 0x00100000,
.nvram_size = 0x2000, // XXX 0x800,
.esp_irq = 2,
.le_irq = 3,
.clock_irq = 5,
.clock1_irq = 7,
.ms_kb_irq = 1,
.ser_irq = 1,
.fd_irq = 1,
.me_irq = 1,
.cs_irq = -1,
.machine_id = 0x55,
.max_mem = 0x10000000,
.default_cpu_model = "Cypress CY7C601",
},
};
/* SPARCstation 5 hardware initialisation */
@ -719,6 +904,16 @@ static void ss20_init(int RAM_size, int vga_ram_size,
kernel_cmdline, initrd_filename, cpu_model);
}
/* SPARCstation 2 hardware initialisation */
static void ss2_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)
{
sun4c_hw_init(&hwdefs[4], RAM_size, boot_device, ds, kernel_filename,
kernel_cmdline, initrd_filename, cpu_model);
}
QEMUMachine ss5_machine = {
"SS-5",
"Sun4m platform, SPARCstation 5",
@ -743,6 +938,11 @@ QEMUMachine ss20_machine = {
ss20_init,
};
QEMUMachine ss2_machine = {
"SS-2",
"Sun4c platform, SPARCstation 2",
ss2_init,
};
static const struct sun4d_hwdef sun4d_hwdefs[] = {
/* SS-1000 */