[qemu.git] / hw / sun4m.c

/*
 * 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_DMA     0x78400000      /* DMA controller */
#define PHYS_JJ_ESP     0x78800000      /* ESP SCSI */
#define PHYS_JJ_ESP_IRQ    18
#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 *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;
    void *iommu, *dma, *main_esp, *main_lance = NULL;

    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]);
    }
    dma = sparc32_dma_init(PHYS_JJ_DMA, PHYS_JJ_ESP_IRQ, PHYS_JJ_LE_IRQ, iommu, slavio_intctl);

    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) {
            main_lance = lance_init(&nd_table[0], PHYS_JJ_LE, dma);
        } 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);
    main_esp = esp_init(bs_table, PHYS_JJ_ESP, dma);
    slavio_misc = slavio_misc_init(PHYS_JJ_SLAVIO, PHYS_JJ_ME_IRQ);
    sparc32_dma_set_reset_data(dma, main_esp, main_lance);

    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,
};
Commit	Line	Data
420557e8 FB	1	/*
	2	* QEMU Sun4m System Emulator
	3	*
b81b3b10	4	* Copyright (c) 2003-2005 Fabrice Bellard
420557e8 FB	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
	24	#include "vl.h"
420557e8 FB	25
420557e8 FB	26	#define KERNEL_LOAD_ADDR 0x00004000
b6f479d3	27	#define CMDLINE_ADDR 0x007ff000
713c45fa	28	#define INITRD_LOAD_ADDR 0x00800000
b3783731	29	#define PROM_SIZE_MAX (256 * 1024)
e80cfcfc	30	#define PROM_ADDR 0xffd00000
0986ac3b	31	#define PROM_FILENAME "openbios-sparc32"
e80cfcfc	32	#define PHYS_JJ_EEPROM 0x71200000 /* m48t08 */
420557e8 FB	33	#define PHYS_JJ_IDPROM_OFF 0x1FD8
420557e8 FB	34	#define PHYS_JJ_EEPROM_SIZE 0x2000
e80cfcfc FB	35	// IRQs are not PIL ones, but master interrupt controller register
	36	// bits
	37	#define PHYS_JJ_IOMMU 0x10000000 /* I/O MMU */
6f7e9aec	38	#define PHYS_JJ_TCX_FB 0x50000000 /* TCX frame buffer */
3475187d	39	#define PHYS_JJ_SLAVIO 0x70000000 /* Slavio base */
67e999be	40	#define PHYS_JJ_DMA 0x78400000 /* DMA controller */
6f7e9aec FB	41	#define PHYS_JJ_ESP 0x78800000 /* ESP SCSI */
6f7e9aec FB	42	#define PHYS_JJ_ESP_IRQ 18
e80cfcfc FB	43	#define PHYS_JJ_LE 0x78C00000 /* Lance ethernet */
	44	#define PHYS_JJ_LE_IRQ 16
	45	#define PHYS_JJ_CLOCK 0x71D00000 /* Per-CPU timer/counter, L14 */
	46	#define PHYS_JJ_CLOCK_IRQ 7
	47	#define PHYS_JJ_CLOCK1 0x71D10000 /* System timer/counter, L10 */
	48	#define PHYS_JJ_CLOCK1_IRQ 19
	49	#define PHYS_JJ_INTR0 0x71E00000 /* Per-CPU interrupt control registers */
8d5f07fa	50	#define PHYS_JJ_INTR_G 0x71E10000 /* Master interrupt control registers */
e80cfcfc FB	51	#define PHYS_JJ_MS_KBD 0x71000000 /* Mouse and keyboard */
	52	#define PHYS_JJ_MS_KBD_IRQ 14
	53	#define PHYS_JJ_SER 0x71100000 /* Serial */
	54	#define PHYS_JJ_SER_IRQ 15
e80cfcfc FB	55	#define PHYS_JJ_FDC 0x71400000 /* Floppy */
e80cfcfc FB	56	#define PHYS_JJ_FLOPPY_IRQ 22
3475187d	57	#define PHYS_JJ_ME_IRQ 30 /* Module error, power fail */
ba3c64fb	58	#define MAX_CPUS 16
420557e8 FB	59
	60	/* TSC handling */
	61
	62	uint64_t cpu_get_tsc()
	63	{
	64	return qemu_get_clock(vm_clock);
	65	}
	66
6f7e9aec FB	67	int DMA_get_channel_mode (int nchan)
	68	{
	69	return 0;
	70	}
	71	int DMA_read_memory (int nchan, void *buf, int pos, int size)
	72	{
	73	return 0;
	74	}
	75	int DMA_write_memory (int nchan, void *buf, int pos, int size)
	76	{
	77	return 0;
	78	}
	79	void DMA_hold_DREQ (int nchan) {}
	80	void DMA_release_DREQ (int nchan) {}
	81	void DMA_schedule(int nchan) {}
	82	void DMA_run (void) {}
	83	void DMA_init (int high_page_enable) {}
	84	void DMA_register_channel (int nchan,
	85	DMA_transfer_handler transfer_handler,
	86	void *opaque)
	87	{
	88	}
	89
819385c5	90	static void nvram_set_word (m48t59_t *nvram, uint32_t addr, uint16_t value)
6f7e9aec	91	{
819385c5 FB	92	m48t59_write(nvram, addr++, (value >> 8) & 0xff);
819385c5 FB	93	m48t59_write(nvram, addr++, value & 0xff);
6f7e9aec FB	94	}
6f7e9aec FB	95
819385c5	96	static void nvram_set_lword (m48t59_t *nvram, uint32_t addr, uint32_t value)
6f7e9aec	97	{
819385c5 FB	98	m48t59_write(nvram, addr++, value >> 24);
	99	m48t59_write(nvram, addr++, (value >> 16) & 0xff);
	100	m48t59_write(nvram, addr++, (value >> 8) & 0xff);
	101	m48t59_write(nvram, addr++, value & 0xff);
6f7e9aec FB	102	}
6f7e9aec FB	103
819385c5	104	static void nvram_set_string (m48t59_t *nvram, uint32_t addr,
6f7e9aec FB	105	const unsigned char *str, uint32_t max)
	106	{
	107	unsigned int i;
	108
	109	for (i = 0; i < max && str[i] != '\0'; i++) {
819385c5	110	m48t59_write(nvram, addr + i, str[i]);
6f7e9aec	111	}
819385c5	112	m48t59_write(nvram, addr + max - 1, '\0');
6f7e9aec	113	}
420557e8	114
819385c5	115	static m48t59_t *nvram;
420557e8	116
6f7e9aec FB	117	extern int nographic;
6f7e9aec FB	118
819385c5	119	static void nvram_init(m48t59_t nvram, uint8_t macaddr, const char *cmdline,
6f7e9aec FB	120	int boot_device, uint32_t RAM_size,
	121	uint32_t kernel_size,
	122	int width, int height, int depth)
e80cfcfc FB	123	{
	124	unsigned char tmp = 0;
	125	int i, j;
	126
6f7e9aec FB	127	// Try to match PPC NVRAM
	128	nvram_set_string(nvram, 0x00, "QEMU_BIOS", 16);
	129	nvram_set_lword(nvram, 0x10, 0x00000001); /* structure v1 */
	130	// NVRAM_size, arch not applicable
ba3c64fb FB	131	m48t59_write(nvram, 0x2D, smp_cpus & 0xff);
ba3c64fb FB	132	m48t59_write(nvram, 0x2E, 0);
819385c5	133	m48t59_write(nvram, 0x2F, nographic & 0xff);
6f7e9aec	134	nvram_set_lword(nvram, 0x30, RAM_size);
819385c5	135	m48t59_write(nvram, 0x34, boot_device & 0xff);
6f7e9aec FB	136	nvram_set_lword(nvram, 0x38, KERNEL_LOAD_ADDR);
6f7e9aec FB	137	nvram_set_lword(nvram, 0x3C, kernel_size);
b6f479d3	138	if (cmdline) {
b6f479d3	139	strcpy(phys_ram_base + CMDLINE_ADDR, cmdline);
6f7e9aec FB	140	nvram_set_lword(nvram, 0x40, CMDLINE_ADDR);
6f7e9aec FB	141	nvram_set_lword(nvram, 0x44, strlen(cmdline));
b6f479d3	142	}
6f7e9aec FB	143	// initrd_image, initrd_size passed differently
	144	nvram_set_word(nvram, 0x54, width);
	145	nvram_set_word(nvram, 0x56, height);
	146	nvram_set_word(nvram, 0x58, depth);
b6f479d3	147
6f7e9aec	148	// Sun4m specific use
e80cfcfc	149	i = 0x1fd8;
819385c5 FB	150	m48t59_write(nvram, i++, 0x01);
819385c5 FB	151	m48t59_write(nvram, i++, 0x80); /* Sun4m OBP */
e80cfcfc	152	j = 0;
819385c5 FB	153	m48t59_write(nvram, i++, macaddr[j++]);
	154	m48t59_write(nvram, i++, macaddr[j++]);
	155	m48t59_write(nvram, i++, macaddr[j++]);
	156	m48t59_write(nvram, i++, macaddr[j++]);
	157	m48t59_write(nvram, i++, macaddr[j++]);
	158	m48t59_write(nvram, i, macaddr[j]);
e80cfcfc FB	159
	160	/* Calculate checksum */
	161	for (i = 0x1fd8; i < 0x1fe7; i++) {
819385c5	162	tmp ^= m48t59_read(nvram, i);
e80cfcfc	163	}
819385c5	164	m48t59_write(nvram, 0x1fe7, tmp);
e80cfcfc FB	165	}
	166
	167	static void *slavio_intctl;
	168
	169	void pic_info()
	170	{
	171	slavio_pic_info(slavio_intctl);
	172	}
	173
	174	void irq_info()
	175	{
	176	slavio_irq_info(slavio_intctl);
	177	}
	178
	179	void pic_set_irq(int irq, int level)
	180	{
	181	slavio_pic_set_irq(slavio_intctl, irq, level);
	182	}
	183
502a5395 PB	184	void pic_set_irq_new(void *opaque, int irq, int level)
	185	{
	186	pic_set_irq(irq, level);
	187	}
	188
ba3c64fb FB	189	void pic_set_irq_cpu(int irq, int level, unsigned int cpu)
	190	{
	191	slavio_pic_set_irq_cpu(slavio_intctl, irq, level, cpu);
	192	}
	193
3475187d FB	194	static void *slavio_misc;
	195
	196	void qemu_system_powerdown(void)
	197	{
	198	slavio_set_power_fail(slavio_misc, 1);
	199	}
	200
c68ea704 FB	201	static void main_cpu_reset(void *opaque)
	202	{
	203	CPUState *env = opaque;
	204	cpu_reset(env);
	205	}
	206
420557e8	207	/* Sun4m hardware initialisation */
c0e564d5 FB	208	static void sun4m_init(int ram_size, int vga_ram_size, int boot_device,
	209	DisplayState ds, const char *fd_filename, int snapshot,
	210	const char kernel_filename, const char kernel_cmdline,
	211	const char *initrd_filename)
420557e8	212	{
ba3c64fb	213	CPUState env, envs[MAX_CPUS];
420557e8	214	char buf[1024];
8d5f07fa	215	int ret, linux_boot;
713c45fa	216	unsigned int i;
6f7e9aec	217	long vram_size = 0x100000, prom_offset, initrd_size, kernel_size;
67e999be	218	void iommu, dma, main_esp, main_lance = NULL;
420557e8 FB	219
	220	linux_boot = (kernel_filename != NULL);
	221
ba3c64fb FB	222	/* init CPUs */
	223	for(i = 0; i < smp_cpus; i++) {
	224	env = cpu_init();
	225	envs[i] = env;
	226	if (i != 0)
	227	env->halted = 1;
	228	register_savevm("cpu", i, 3, cpu_save, cpu_load, env);
	229	qemu_register_reset(main_cpu_reset, env);
	230	}
420557e8 FB	231	/* allocate RAM */
420557e8 FB	232	cpu_register_physical_memory(0, ram_size, 0);
420557e8	233
e80cfcfc FB	234	iommu = iommu_init(PHYS_JJ_IOMMU);
e80cfcfc FB	235	slavio_intctl = slavio_intctl_init(PHYS_JJ_INTR0, PHYS_JJ_INTR_G);
ba3c64fb FB	236	for(i = 0; i < smp_cpus; i++) {
	237	slavio_intctl_set_cpu(slavio_intctl, i, envs[i]);
	238	}
67e999be	239	dma = sparc32_dma_init(PHYS_JJ_DMA, PHYS_JJ_ESP_IRQ, PHYS_JJ_LE_IRQ, iommu, slavio_intctl);
ba3c64fb	240
95219897	241	tcx_init(ds, PHYS_JJ_TCX_FB, phys_ram_base + ram_size, ram_size, vram_size, graphic_width, graphic_height);
a41b2ff2 PB	242	if (nd_table[0].vlan) {
	243	if (nd_table[0].model == NULL
	244	\|\| strcmp(nd_table[0].model, "lance") == 0) {
67e999be	245	main_lance = lance_init(&nd_table[0], PHYS_JJ_LE, dma);
a41b2ff2 PB	246	} else {
	247	fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
	248	exit (1);
	249	}
	250	}
819385c5	251	nvram = m48t59_init(0, PHYS_JJ_EEPROM, 0, PHYS_JJ_EEPROM_SIZE, 8);
ba3c64fb FB	252	for (i = 0; i < MAX_CPUS; i++) {
	253	slavio_timer_init(PHYS_JJ_CLOCK + i * TARGET_PAGE_SIZE, PHYS_JJ_CLOCK_IRQ, 0, i);
	254	}
	255	slavio_timer_init(PHYS_JJ_CLOCK1, PHYS_JJ_CLOCK1_IRQ, 2, (unsigned int)-1);
e80cfcfc	256	slavio_serial_ms_kbd_init(PHYS_JJ_MS_KBD, PHYS_JJ_MS_KBD_IRQ);
b81b3b10 FB	257	// Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device
	258	// Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device
	259	slavio_serial_init(PHYS_JJ_SER, PHYS_JJ_SER_IRQ, serial_hds[1], serial_hds[0]);
e80cfcfc	260	fdctrl_init(PHYS_JJ_FLOPPY_IRQ, 0, 1, PHYS_JJ_FDC, fd_table);
67e999be	261	main_esp = esp_init(bs_table, PHYS_JJ_ESP, dma);
3475187d	262	slavio_misc = slavio_misc_init(PHYS_JJ_SLAVIO, PHYS_JJ_ME_IRQ);
67e999be	263	sparc32_dma_set_reset_data(dma, main_esp, main_lance);
420557e8	264
e80cfcfc	265	prom_offset = ram_size + vram_size;
b3783731 FB	266	cpu_register_physical_memory(PROM_ADDR,
	267	(PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK,
	268	prom_offset \| IO_MEM_ROM);
e80cfcfc	269
0986ac3b	270	snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAME);
9ee3c029	271	ret = load_elf(buf, 0, NULL);
e80cfcfc FB	272	if (ret < 0) {
	273	fprintf(stderr, "qemu: could not load prom '%s'\n",
	274	buf);
	275	exit(1);
	276	}
e80cfcfc	277
6f7e9aec	278	kernel_size = 0;
e80cfcfc	279	if (linux_boot) {
9ee3c029	280	kernel_size = load_elf(kernel_filename, -0xf0000000, NULL);
6f7e9aec FB	281	if (kernel_size < 0)
	282	kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
	283	if (kernel_size < 0)
	284	kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
	285	if (kernel_size < 0) {
420557e8	286	fprintf(stderr, "qemu: could not load kernel '%s'\n",
e80cfcfc FB	287	kernel_filename);
e80cfcfc FB	288	exit(1);
420557e8	289	}
713c45fa FB	290
	291	/* load initrd */
	292	initrd_size = 0;
	293	if (initrd_filename) {
	294	initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR);
	295	if (initrd_size < 0) {
	296	fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
	297	initrd_filename);
	298	exit(1);
	299	}
	300	}
	301	if (initrd_size > 0) {
	302	for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
	303	if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i)
	304	== 0x48647253) { // HdrS
	305	stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
	306	stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size);
	307	break;
	308	}
	309	}
	310	}
420557e8	311	}
6f7e9aec	312	nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline, boot_device, ram_size, kernel_size, graphic_width, graphic_height, graphic_depth);
420557e8	313	}
c0e564d5 FB	314
	315	QEMUMachine sun4m_machine = {
	316	"sun4m",
	317	"Sun4m platform",
	318	sun4m_init,
	319	};