video.x is gone now. It was the only user of the vga bios_offset + bios_size logic. Zap it. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
		
			
				
	
	
		
			943 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			943 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * QEMU Sun4u/Sun4v 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
 | 
						|
 * 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 "hw.h"
 | 
						|
#include "pci.h"
 | 
						|
#include "apb_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"
 | 
						|
#include "fw_cfg.h"
 | 
						|
#include "sysbus.h"
 | 
						|
#include "ide.h"
 | 
						|
#include "loader.h"
 | 
						|
#include "elf.h"
 | 
						|
#include "blockdev.h"
 | 
						|
 | 
						|
//#define DEBUG_IRQ
 | 
						|
//#define DEBUG_EBUS
 | 
						|
//#define DEBUG_TIMER
 | 
						|
 | 
						|
#ifdef DEBUG_IRQ
 | 
						|
#define CPUIRQ_DPRINTF(fmt, ...)                                \
 | 
						|
    do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0)
 | 
						|
#else
 | 
						|
#define CPUIRQ_DPRINTF(fmt, ...)
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef DEBUG_EBUS
 | 
						|
#define EBUS_DPRINTF(fmt, ...)                                  \
 | 
						|
    do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0)
 | 
						|
#else
 | 
						|
#define EBUS_DPRINTF(fmt, ...)
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef DEBUG_TIMER
 | 
						|
#define TIMER_DPRINTF(fmt, ...)                                  \
 | 
						|
    do { printf("TIMER: " fmt , ## __VA_ARGS__); } while (0)
 | 
						|
#else
 | 
						|
#define TIMER_DPRINTF(fmt, ...)
 | 
						|
#endif
 | 
						|
 | 
						|
#define KERNEL_LOAD_ADDR     0x00404000
 | 
						|
#define CMDLINE_ADDR         0x003ff000
 | 
						|
#define INITRD_LOAD_ADDR     0x00300000
 | 
						|
#define PROM_SIZE_MAX        (4 * 1024 * 1024)
 | 
						|
#define PROM_VADDR           0x000ffd00000ULL
 | 
						|
#define APB_SPECIAL_BASE     0x1fe00000000ULL
 | 
						|
#define APB_MEM_BASE         0x1ff00000000ULL
 | 
						|
#define APB_PCI_IO_BASE      (APB_SPECIAL_BASE + 0x02000000ULL)
 | 
						|
#define PROM_FILENAME        "openbios-sparc64"
 | 
						|
#define NVRAM_SIZE           0x2000
 | 
						|
#define MAX_IDE_BUS          2
 | 
						|
#define BIOS_CFG_IOPORT      0x510
 | 
						|
#define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
 | 
						|
#define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
 | 
						|
#define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
 | 
						|
 | 
						|
#define MAX_PILS 16
 | 
						|
 | 
						|
#define TICK_MAX             0x7fffffffffffffffULL
 | 
						|
 | 
						|
struct hwdef {
 | 
						|
    const char * const default_cpu_model;
 | 
						|
    uint16_t machine_id;
 | 
						|
    uint64_t prom_addr;
 | 
						|
    uint64_t console_serial_base;
 | 
						|
};
 | 
						|
 | 
						|
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_init(int high_page_enable, qemu_irq *cpu_request_exit)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
void DMA_register_channel (int nchan,
 | 
						|
                           DMA_transfer_handler transfer_handler,
 | 
						|
                           void *opaque)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
static int fw_cfg_boot_set(void *opaque, const char *boot_device)
 | 
						|
{
 | 
						|
    fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static int sun4u_NVRAM_set_params(M48t59State *nvram, uint16_t NVRAM_size,
 | 
						|
                                  const char *arch, ram_addr_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,
 | 
						|
                                  const uint8_t *macaddr)
 | 
						|
{
 | 
						|
    unsigned int i;
 | 
						|
    uint32_t start, end;
 | 
						|
    uint8_t image[0x1ff0];
 | 
						|
    struct OpenBIOS_nvpart_v1 *part_header;
 | 
						|
 | 
						|
    memset(image, '\0', sizeof(image));
 | 
						|
 | 
						|
    start = 0;
 | 
						|
 | 
						|
    // OpenBIOS nvram variables
 | 
						|
    // Variable partition
 | 
						|
    part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
 | 
						|
    part_header->signature = OPENBIOS_PART_SYSTEM;
 | 
						|
    pstrcpy(part_header->name, sizeof(part_header->name), "system");
 | 
						|
 | 
						|
    end = start + sizeof(struct OpenBIOS_nvpart_v1);
 | 
						|
    for (i = 0; i < nb_prom_envs; i++)
 | 
						|
        end = OpenBIOS_set_var(image, end, prom_envs[i]);
 | 
						|
 | 
						|
    // End marker
 | 
						|
    image[end++] = '\0';
 | 
						|
 | 
						|
    end = start + ((end - start + 15) & ~15);
 | 
						|
    OpenBIOS_finish_partition(part_header, end - start);
 | 
						|
 | 
						|
    // free partition
 | 
						|
    start = end;
 | 
						|
    part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
 | 
						|
    part_header->signature = OPENBIOS_PART_FREE;
 | 
						|
    pstrcpy(part_header->name, sizeof(part_header->name), "free");
 | 
						|
 | 
						|
    end = 0x1fd0;
 | 
						|
    OpenBIOS_finish_partition(part_header, end - start);
 | 
						|
 | 
						|
    Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
 | 
						|
 | 
						|
    for (i = 0; i < sizeof(image); i++)
 | 
						|
        m48t59_write(nvram, i, image[i]);
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
static unsigned long sun4u_load_kernel(const char *kernel_filename,
 | 
						|
                                       const char *initrd_filename,
 | 
						|
                                       ram_addr_t RAM_size, long *initrd_size)
 | 
						|
{
 | 
						|
    int linux_boot;
 | 
						|
    unsigned int i;
 | 
						|
    long kernel_size;
 | 
						|
    uint8_t *ptr;
 | 
						|
 | 
						|
    linux_boot = (kernel_filename != NULL);
 | 
						|
 | 
						|
    kernel_size = 0;
 | 
						|
    if (linux_boot) {
 | 
						|
        int bswap_needed;
 | 
						|
 | 
						|
#ifdef BSWAP_NEEDED
 | 
						|
        bswap_needed = 1;
 | 
						|
#else
 | 
						|
        bswap_needed = 0;
 | 
						|
#endif
 | 
						|
        kernel_size = load_elf(kernel_filename, NULL, NULL, NULL,
 | 
						|
                               NULL, NULL, 1, ELF_MACHINE, 0);
 | 
						|
        if (kernel_size < 0)
 | 
						|
            kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
 | 
						|
                                    RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
 | 
						|
                                    TARGET_PAGE_SIZE);
 | 
						|
        if (kernel_size < 0)
 | 
						|
            kernel_size = load_image_targphys(kernel_filename,
 | 
						|
                                              KERNEL_LOAD_ADDR,
 | 
						|
                                              RAM_size - 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_targphys(initrd_filename,
 | 
						|
                                               INITRD_LOAD_ADDR,
 | 
						|
                                               RAM_size - 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) {
 | 
						|
                ptr = rom_ptr(KERNEL_LOAD_ADDR + i);
 | 
						|
                if (ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
 | 
						|
                    stl_p(ptr + 24, INITRD_LOAD_ADDR + KERNEL_LOAD_ADDR - 0x4000);
 | 
						|
                    stl_p(ptr + 28, *initrd_size);
 | 
						|
                    break;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
    return kernel_size;
 | 
						|
}
 | 
						|
 | 
						|
void pic_info(Monitor *mon)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
void irq_info(Monitor *mon)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
void cpu_check_irqs(CPUState *env)
 | 
						|
{
 | 
						|
    uint32_t pil = env->pil_in |
 | 
						|
                  (env->softint & ~(SOFTINT_TIMER | SOFTINT_STIMER));
 | 
						|
 | 
						|
    /* check if TM or SM in SOFTINT are set
 | 
						|
       setting these also causes interrupt 14 */
 | 
						|
    if (env->softint & (SOFTINT_TIMER | SOFTINT_STIMER)) {
 | 
						|
        pil |= 1 << 14;
 | 
						|
    }
 | 
						|
 | 
						|
    if (!pil) {
 | 
						|
        if (env->interrupt_request & CPU_INTERRUPT_HARD) {
 | 
						|
            CPUIRQ_DPRINTF("Reset CPU IRQ (current interrupt %x)\n",
 | 
						|
                           env->interrupt_index);
 | 
						|
            env->interrupt_index = 0;
 | 
						|
            cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
 | 
						|
        }
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    if (cpu_interrupts_enabled(env)) {
 | 
						|
 | 
						|
        unsigned int i;
 | 
						|
 | 
						|
        for (i = 15; i > env->psrpil; i--) {
 | 
						|
            if (pil & (1 << i)) {
 | 
						|
                int old_interrupt = env->interrupt_index;
 | 
						|
                int new_interrupt = TT_EXTINT | i;
 | 
						|
 | 
						|
                if (env->tl > 0 && cpu_tsptr(env)->tt > new_interrupt) {
 | 
						|
                    CPUIRQ_DPRINTF("Not setting CPU IRQ: TL=%d "
 | 
						|
                                   "current %x >= pending %x\n",
 | 
						|
                                   env->tl, cpu_tsptr(env)->tt, new_interrupt);
 | 
						|
                } else if (old_interrupt != new_interrupt) {
 | 
						|
                    env->interrupt_index = new_interrupt;
 | 
						|
                    CPUIRQ_DPRINTF("Set CPU IRQ %d old=%x new=%x\n", i,
 | 
						|
                                   old_interrupt, new_interrupt);
 | 
						|
                    cpu_interrupt(env, CPU_INTERRUPT_HARD);
 | 
						|
                }
 | 
						|
                break;
 | 
						|
            }
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        CPUIRQ_DPRINTF("Interrupts disabled, pil=%08x pil_in=%08x softint=%08x "
 | 
						|
                       "current interrupt %x\n",
 | 
						|
                       pil, env->pil_in, env->softint, env->interrupt_index);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void cpu_kick_irq(CPUState *env)
 | 
						|
{
 | 
						|
    env->halted = 0;
 | 
						|
    cpu_check_irqs(env);
 | 
						|
}
 | 
						|
 | 
						|
static void cpu_set_irq(void *opaque, int irq, int level)
 | 
						|
{
 | 
						|
    CPUState *env = opaque;
 | 
						|
 | 
						|
    if (level) {
 | 
						|
        CPUIRQ_DPRINTF("Raise CPU IRQ %d\n", irq);
 | 
						|
        env->halted = 0;
 | 
						|
        env->pil_in |= 1 << irq;
 | 
						|
        cpu_check_irqs(env);
 | 
						|
    } else {
 | 
						|
        CPUIRQ_DPRINTF("Lower CPU IRQ %d\n", irq);
 | 
						|
        env->pil_in &= ~(1 << irq);
 | 
						|
        cpu_check_irqs(env);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
typedef struct ResetData {
 | 
						|
    CPUState *env;
 | 
						|
    uint64_t prom_addr;
 | 
						|
} ResetData;
 | 
						|
 | 
						|
void cpu_put_timer(QEMUFile *f, CPUTimer *s)
 | 
						|
{
 | 
						|
    qemu_put_be32s(f, &s->frequency);
 | 
						|
    qemu_put_be32s(f, &s->disabled);
 | 
						|
    qemu_put_be64s(f, &s->disabled_mask);
 | 
						|
    qemu_put_sbe64s(f, &s->clock_offset);
 | 
						|
 | 
						|
    qemu_put_timer(f, s->qtimer);
 | 
						|
}
 | 
						|
 | 
						|
void cpu_get_timer(QEMUFile *f, CPUTimer *s)
 | 
						|
{
 | 
						|
    qemu_get_be32s(f, &s->frequency);
 | 
						|
    qemu_get_be32s(f, &s->disabled);
 | 
						|
    qemu_get_be64s(f, &s->disabled_mask);
 | 
						|
    qemu_get_sbe64s(f, &s->clock_offset);
 | 
						|
 | 
						|
    qemu_get_timer(f, s->qtimer);
 | 
						|
}
 | 
						|
 | 
						|
static CPUTimer* cpu_timer_create(const char* name, CPUState *env,
 | 
						|
                                  QEMUBHFunc *cb, uint32_t frequency,
 | 
						|
                                  uint64_t disabled_mask)
 | 
						|
{
 | 
						|
    CPUTimer *timer = qemu_mallocz(sizeof (CPUTimer));
 | 
						|
 | 
						|
    timer->name = name;
 | 
						|
    timer->frequency = frequency;
 | 
						|
    timer->disabled_mask = disabled_mask;
 | 
						|
 | 
						|
    timer->disabled = 1;
 | 
						|
    timer->clock_offset = qemu_get_clock(vm_clock);
 | 
						|
 | 
						|
    timer->qtimer = qemu_new_timer(vm_clock, cb, env);
 | 
						|
 | 
						|
    return timer;
 | 
						|
}
 | 
						|
 | 
						|
static void cpu_timer_reset(CPUTimer *timer)
 | 
						|
{
 | 
						|
    timer->disabled = 1;
 | 
						|
    timer->clock_offset = qemu_get_clock(vm_clock);
 | 
						|
 | 
						|
    qemu_del_timer(timer->qtimer);
 | 
						|
}
 | 
						|
 | 
						|
static void main_cpu_reset(void *opaque)
 | 
						|
{
 | 
						|
    ResetData *s = (ResetData *)opaque;
 | 
						|
    CPUState *env = s->env;
 | 
						|
    static unsigned int nr_resets;
 | 
						|
 | 
						|
    cpu_reset(env);
 | 
						|
 | 
						|
    cpu_timer_reset(env->tick);
 | 
						|
    cpu_timer_reset(env->stick);
 | 
						|
    cpu_timer_reset(env->hstick);
 | 
						|
 | 
						|
    env->gregs[1] = 0; // Memory start
 | 
						|
    env->gregs[2] = ram_size; // Memory size
 | 
						|
    env->gregs[3] = 0; // Machine description XXX
 | 
						|
    if (nr_resets++ == 0) {
 | 
						|
        /* Power on reset */
 | 
						|
        env->pc = s->prom_addr + 0x20ULL;
 | 
						|
    } else {
 | 
						|
        env->pc = s->prom_addr + 0x40ULL;
 | 
						|
    }
 | 
						|
    env->npc = env->pc + 4;
 | 
						|
}
 | 
						|
 | 
						|
static void tick_irq(void *opaque)
 | 
						|
{
 | 
						|
    CPUState *env = opaque;
 | 
						|
 | 
						|
    CPUTimer* timer = env->tick;
 | 
						|
 | 
						|
    if (timer->disabled) {
 | 
						|
        CPUIRQ_DPRINTF("tick_irq: softint disabled\n");
 | 
						|
        return;
 | 
						|
    } else {
 | 
						|
        CPUIRQ_DPRINTF("tick: fire\n");
 | 
						|
    }
 | 
						|
 | 
						|
    env->softint |= SOFTINT_TIMER;
 | 
						|
    cpu_kick_irq(env);
 | 
						|
}
 | 
						|
 | 
						|
static void stick_irq(void *opaque)
 | 
						|
{
 | 
						|
    CPUState *env = opaque;
 | 
						|
 | 
						|
    CPUTimer* timer = env->stick;
 | 
						|
 | 
						|
    if (timer->disabled) {
 | 
						|
        CPUIRQ_DPRINTF("stick_irq: softint disabled\n");
 | 
						|
        return;
 | 
						|
    } else {
 | 
						|
        CPUIRQ_DPRINTF("stick: fire\n");
 | 
						|
    }
 | 
						|
 | 
						|
    env->softint |= SOFTINT_STIMER;
 | 
						|
    cpu_kick_irq(env);
 | 
						|
}
 | 
						|
 | 
						|
static void hstick_irq(void *opaque)
 | 
						|
{
 | 
						|
    CPUState *env = opaque;
 | 
						|
 | 
						|
    CPUTimer* timer = env->hstick;
 | 
						|
 | 
						|
    if (timer->disabled) {
 | 
						|
        CPUIRQ_DPRINTF("hstick_irq: softint disabled\n");
 | 
						|
        return;
 | 
						|
    } else {
 | 
						|
        CPUIRQ_DPRINTF("hstick: fire\n");
 | 
						|
    }
 | 
						|
 | 
						|
    env->softint |= SOFTINT_STIMER;
 | 
						|
    cpu_kick_irq(env);
 | 
						|
}
 | 
						|
 | 
						|
static int64_t cpu_to_timer_ticks(int64_t cpu_ticks, uint32_t frequency)
 | 
						|
{
 | 
						|
    return muldiv64(cpu_ticks, get_ticks_per_sec(), frequency);
 | 
						|
}
 | 
						|
 | 
						|
static uint64_t timer_to_cpu_ticks(int64_t timer_ticks, uint32_t frequency)
 | 
						|
{
 | 
						|
    return muldiv64(timer_ticks, frequency, get_ticks_per_sec());
 | 
						|
}
 | 
						|
 | 
						|
void cpu_tick_set_count(CPUTimer *timer, uint64_t count)
 | 
						|
{
 | 
						|
    uint64_t real_count = count & ~timer->disabled_mask;
 | 
						|
    uint64_t disabled_bit = count & timer->disabled_mask;
 | 
						|
 | 
						|
    int64_t vm_clock_offset = qemu_get_clock(vm_clock) -
 | 
						|
                    cpu_to_timer_ticks(real_count, timer->frequency);
 | 
						|
 | 
						|
    TIMER_DPRINTF("%s set_count count=0x%016lx (%s) p=%p\n",
 | 
						|
                  timer->name, real_count,
 | 
						|
                  timer->disabled?"disabled":"enabled", timer);
 | 
						|
 | 
						|
    timer->disabled = disabled_bit ? 1 : 0;
 | 
						|
    timer->clock_offset = vm_clock_offset;
 | 
						|
}
 | 
						|
 | 
						|
uint64_t cpu_tick_get_count(CPUTimer *timer)
 | 
						|
{
 | 
						|
    uint64_t real_count = timer_to_cpu_ticks(
 | 
						|
                    qemu_get_clock(vm_clock) - timer->clock_offset,
 | 
						|
                    timer->frequency);
 | 
						|
 | 
						|
    TIMER_DPRINTF("%s get_count count=0x%016lx (%s) p=%p\n",
 | 
						|
           timer->name, real_count,
 | 
						|
           timer->disabled?"disabled":"enabled", timer);
 | 
						|
 | 
						|
    if (timer->disabled)
 | 
						|
        real_count |= timer->disabled_mask;
 | 
						|
 | 
						|
    return real_count;
 | 
						|
}
 | 
						|
 | 
						|
void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit)
 | 
						|
{
 | 
						|
    int64_t now = qemu_get_clock(vm_clock);
 | 
						|
 | 
						|
    uint64_t real_limit = limit & ~timer->disabled_mask;
 | 
						|
    timer->disabled = (limit & timer->disabled_mask) ? 1 : 0;
 | 
						|
 | 
						|
    int64_t expires = cpu_to_timer_ticks(real_limit, timer->frequency) +
 | 
						|
                    timer->clock_offset;
 | 
						|
 | 
						|
    if (expires < now) {
 | 
						|
        expires = now + 1;
 | 
						|
    }
 | 
						|
 | 
						|
    TIMER_DPRINTF("%s set_limit limit=0x%016lx (%s) p=%p "
 | 
						|
                  "called with limit=0x%016lx at 0x%016lx (delta=0x%016lx)\n",
 | 
						|
                  timer->name, real_limit,
 | 
						|
                  timer->disabled?"disabled":"enabled",
 | 
						|
                  timer, limit,
 | 
						|
                  timer_to_cpu_ticks(now - timer->clock_offset,
 | 
						|
                                     timer->frequency),
 | 
						|
                  timer_to_cpu_ticks(expires - now, timer->frequency));
 | 
						|
 | 
						|
    if (!real_limit) {
 | 
						|
        TIMER_DPRINTF("%s set_limit limit=ZERO - not starting timer\n",
 | 
						|
                timer->name);
 | 
						|
        qemu_del_timer(timer->qtimer);
 | 
						|
    } else if (timer->disabled) {
 | 
						|
        qemu_del_timer(timer->qtimer);
 | 
						|
    } else {
 | 
						|
        qemu_mod_timer(timer->qtimer, expires);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void ebus_mmio_mapfunc(PCIDevice *pci_dev, int region_num,
 | 
						|
                              pcibus_t addr, pcibus_t size, int type)
 | 
						|
{
 | 
						|
    EBUS_DPRINTF("Mapping region %d registers at %" FMT_PCIBUS "\n",
 | 
						|
                 region_num, addr);
 | 
						|
    switch (region_num) {
 | 
						|
    case 0:
 | 
						|
        isa_mmio_init(addr, 0x1000000, 1);
 | 
						|
        break;
 | 
						|
    case 1:
 | 
						|
        isa_mmio_init(addr, 0x800000, 1);
 | 
						|
        break;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void dummy_isa_irq_handler(void *opaque, int n, int level)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
/* EBUS (Eight bit bus) bridge */
 | 
						|
static void
 | 
						|
pci_ebus_init(PCIBus *bus, int devfn)
 | 
						|
{
 | 
						|
    qemu_irq *isa_irq;
 | 
						|
 | 
						|
    pci_create_simple(bus, devfn, "ebus");
 | 
						|
    isa_irq = qemu_allocate_irqs(dummy_isa_irq_handler, NULL, 16);
 | 
						|
    isa_bus_irqs(isa_irq);
 | 
						|
}
 | 
						|
 | 
						|
static int
 | 
						|
pci_ebus_init1(PCIDevice *s)
 | 
						|
{
 | 
						|
    isa_bus_new(&s->qdev);
 | 
						|
 | 
						|
    pci_config_set_vendor_id(s->config, PCI_VENDOR_ID_SUN);
 | 
						|
    pci_config_set_device_id(s->config, PCI_DEVICE_ID_SUN_EBUS);
 | 
						|
    s->config[0x04] = 0x06; // command = bus master, pci mem
 | 
						|
    s->config[0x05] = 0x00;
 | 
						|
    s->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
 | 
						|
    s->config[0x07] = 0x03; // status = medium devsel
 | 
						|
    s->config[0x08] = 0x01; // revision
 | 
						|
    s->config[0x09] = 0x00; // programming i/f
 | 
						|
    pci_config_set_class(s->config, PCI_CLASS_BRIDGE_OTHER);
 | 
						|
    s->config[0x0D] = 0x0a; // latency_timer
 | 
						|
 | 
						|
    pci_register_bar(s, 0, 0x1000000, PCI_BASE_ADDRESS_SPACE_MEMORY,
 | 
						|
                           ebus_mmio_mapfunc);
 | 
						|
    pci_register_bar(s, 1, 0x800000,  PCI_BASE_ADDRESS_SPACE_MEMORY,
 | 
						|
                           ebus_mmio_mapfunc);
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static PCIDeviceInfo ebus_info = {
 | 
						|
    .qdev.name = "ebus",
 | 
						|
    .qdev.size = sizeof(PCIDevice),
 | 
						|
    .init = pci_ebus_init1,
 | 
						|
};
 | 
						|
 | 
						|
static void pci_ebus_register(void)
 | 
						|
{
 | 
						|
    pci_qdev_register(&ebus_info);
 | 
						|
}
 | 
						|
 | 
						|
device_init(pci_ebus_register);
 | 
						|
 | 
						|
static uint64_t translate_prom_address(void *opaque, uint64_t addr)
 | 
						|
{
 | 
						|
    target_phys_addr_t *base_addr = (target_phys_addr_t *)opaque;
 | 
						|
    return addr + *base_addr - PROM_VADDR;
 | 
						|
}
 | 
						|
 | 
						|
/* Boot PROM (OpenBIOS) */
 | 
						|
static void prom_init(target_phys_addr_t addr, const char *bios_name)
 | 
						|
{
 | 
						|
    DeviceState *dev;
 | 
						|
    SysBusDevice *s;
 | 
						|
    char *filename;
 | 
						|
    int ret;
 | 
						|
 | 
						|
    dev = qdev_create(NULL, "openprom");
 | 
						|
    qdev_init_nofail(dev);
 | 
						|
    s = sysbus_from_qdev(dev);
 | 
						|
 | 
						|
    sysbus_mmio_map(s, 0, addr);
 | 
						|
 | 
						|
    /* load boot prom */
 | 
						|
    if (bios_name == NULL) {
 | 
						|
        bios_name = PROM_FILENAME;
 | 
						|
    }
 | 
						|
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
 | 
						|
    if (filename) {
 | 
						|
        ret = load_elf(filename, translate_prom_address, &addr,
 | 
						|
                       NULL, NULL, NULL, 1, ELF_MACHINE, 0);
 | 
						|
        if (ret < 0 || ret > PROM_SIZE_MAX) {
 | 
						|
            ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
 | 
						|
        }
 | 
						|
        qemu_free(filename);
 | 
						|
    } else {
 | 
						|
        ret = -1;
 | 
						|
    }
 | 
						|
    if (ret < 0 || ret > PROM_SIZE_MAX) {
 | 
						|
        fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
 | 
						|
        exit(1);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static int prom_init1(SysBusDevice *dev)
 | 
						|
{
 | 
						|
    ram_addr_t prom_offset;
 | 
						|
 | 
						|
    prom_offset = qemu_ram_alloc(NULL, "sun4u.prom", PROM_SIZE_MAX);
 | 
						|
    sysbus_init_mmio(dev, PROM_SIZE_MAX, prom_offset | IO_MEM_ROM);
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static SysBusDeviceInfo prom_info = {
 | 
						|
    .init = prom_init1,
 | 
						|
    .qdev.name  = "openprom",
 | 
						|
    .qdev.size  = sizeof(SysBusDevice),
 | 
						|
    .qdev.props = (Property[]) {
 | 
						|
        {/* end of property list */}
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
static void prom_register_devices(void)
 | 
						|
{
 | 
						|
    sysbus_register_withprop(&prom_info);
 | 
						|
}
 | 
						|
 | 
						|
device_init(prom_register_devices);
 | 
						|
 | 
						|
 | 
						|
typedef struct RamDevice
 | 
						|
{
 | 
						|
    SysBusDevice busdev;
 | 
						|
    uint64_t size;
 | 
						|
} RamDevice;
 | 
						|
 | 
						|
/* System RAM */
 | 
						|
static int ram_init1(SysBusDevice *dev)
 | 
						|
{
 | 
						|
    ram_addr_t RAM_size, ram_offset;
 | 
						|
    RamDevice *d = FROM_SYSBUS(RamDevice, dev);
 | 
						|
 | 
						|
    RAM_size = d->size;
 | 
						|
 | 
						|
    ram_offset = qemu_ram_alloc(NULL, "sun4u.ram", RAM_size);
 | 
						|
    sysbus_init_mmio(dev, RAM_size, ram_offset);
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static void ram_init(target_phys_addr_t addr, ram_addr_t RAM_size)
 | 
						|
{
 | 
						|
    DeviceState *dev;
 | 
						|
    SysBusDevice *s;
 | 
						|
    RamDevice *d;
 | 
						|
 | 
						|
    /* allocate RAM */
 | 
						|
    dev = qdev_create(NULL, "memory");
 | 
						|
    s = sysbus_from_qdev(dev);
 | 
						|
 | 
						|
    d = FROM_SYSBUS(RamDevice, s);
 | 
						|
    d->size = RAM_size;
 | 
						|
    qdev_init_nofail(dev);
 | 
						|
 | 
						|
    sysbus_mmio_map(s, 0, addr);
 | 
						|
}
 | 
						|
 | 
						|
static SysBusDeviceInfo ram_info = {
 | 
						|
    .init = ram_init1,
 | 
						|
    .qdev.name  = "memory",
 | 
						|
    .qdev.size  = sizeof(RamDevice),
 | 
						|
    .qdev.props = (Property[]) {
 | 
						|
        DEFINE_PROP_UINT64("size", RamDevice, size, 0),
 | 
						|
        DEFINE_PROP_END_OF_LIST(),
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
static void ram_register_devices(void)
 | 
						|
{
 | 
						|
    sysbus_register_withprop(&ram_info);
 | 
						|
}
 | 
						|
 | 
						|
device_init(ram_register_devices);
 | 
						|
 | 
						|
static CPUState *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef)
 | 
						|
{
 | 
						|
    CPUState *env;
 | 
						|
    ResetData *reset_info;
 | 
						|
 | 
						|
    uint32_t   tick_frequency = 100*1000000;
 | 
						|
    uint32_t  stick_frequency = 100*1000000;
 | 
						|
    uint32_t hstick_frequency = 100*1000000;
 | 
						|
 | 
						|
    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);
 | 
						|
    }
 | 
						|
 | 
						|
    env->tick = cpu_timer_create("tick", env, tick_irq,
 | 
						|
                                  tick_frequency, TICK_NPT_MASK);
 | 
						|
 | 
						|
    env->stick = cpu_timer_create("stick", env, stick_irq,
 | 
						|
                                   stick_frequency, TICK_INT_DIS);
 | 
						|
 | 
						|
    env->hstick = cpu_timer_create("hstick", env, hstick_irq,
 | 
						|
                                    hstick_frequency, TICK_INT_DIS);
 | 
						|
 | 
						|
    reset_info = qemu_mallocz(sizeof(ResetData));
 | 
						|
    reset_info->env = env;
 | 
						|
    reset_info->prom_addr = hwdef->prom_addr;
 | 
						|
    qemu_register_reset(main_cpu_reset, reset_info);
 | 
						|
 | 
						|
    return env;
 | 
						|
}
 | 
						|
 | 
						|
static void sun4uv_init(ram_addr_t RAM_size,
 | 
						|
                        const char *boot_devices,
 | 
						|
                        const char *kernel_filename, const char *kernel_cmdline,
 | 
						|
                        const char *initrd_filename, const char *cpu_model,
 | 
						|
                        const struct hwdef *hwdef)
 | 
						|
{
 | 
						|
    CPUState *env;
 | 
						|
    M48t59State *nvram;
 | 
						|
    unsigned int i;
 | 
						|
    long initrd_size, kernel_size;
 | 
						|
    PCIBus *pci_bus, *pci_bus2, *pci_bus3;
 | 
						|
    qemu_irq *irq;
 | 
						|
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
 | 
						|
    DriveInfo *fd[MAX_FD];
 | 
						|
    void *fw_cfg;
 | 
						|
 | 
						|
    /* init CPUs */
 | 
						|
    env = cpu_devinit(cpu_model, hwdef);
 | 
						|
 | 
						|
    /* set up devices */
 | 
						|
    ram_init(0, RAM_size);
 | 
						|
 | 
						|
    prom_init(hwdef->prom_addr, bios_name);
 | 
						|
 | 
						|
 | 
						|
    irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
 | 
						|
    pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, irq, &pci_bus2,
 | 
						|
                           &pci_bus3);
 | 
						|
    isa_mem_base = APB_PCI_IO_BASE;
 | 
						|
    pci_vga_init(pci_bus);
 | 
						|
 | 
						|
    // XXX Should be pci_bus3
 | 
						|
    pci_ebus_init(pci_bus, -1);
 | 
						|
 | 
						|
    i = 0;
 | 
						|
    if (hwdef->console_serial_base) {
 | 
						|
        serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200,
 | 
						|
                       serial_hds[i], 1, 1);
 | 
						|
        i++;
 | 
						|
    }
 | 
						|
    for(; i < MAX_SERIAL_PORTS; i++) {
 | 
						|
        if (serial_hds[i]) {
 | 
						|
            serial_isa_init(i, serial_hds[i]);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
 | 
						|
        if (parallel_hds[i]) {
 | 
						|
            parallel_init(i, parallel_hds[i]);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    for(i = 0; i < nb_nics; i++)
 | 
						|
        pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);
 | 
						|
 | 
						|
    if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
 | 
						|
        fprintf(stderr, "qemu: too many IDE bus\n");
 | 
						|
        exit(1);
 | 
						|
    }
 | 
						|
    for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
 | 
						|
        hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS,
 | 
						|
                          i % MAX_IDE_DEVS);
 | 
						|
    }
 | 
						|
 | 
						|
    pci_cmd646_ide_init(pci_bus, hd, 1);
 | 
						|
 | 
						|
    isa_create_simple("i8042");
 | 
						|
    for(i = 0; i < MAX_FD; i++) {
 | 
						|
        fd[i] = drive_get(IF_FLOPPY, 0, i);
 | 
						|
    }
 | 
						|
    fdctrl_init_isa(fd);
 | 
						|
    nvram = m48t59_init_isa(0x0074, NVRAM_SIZE, 59);
 | 
						|
 | 
						|
    initrd_size = 0;
 | 
						|
    kernel_size = sun4u_load_kernel(kernel_filename, initrd_filename,
 | 
						|
                                    ram_size, &initrd_size);
 | 
						|
 | 
						|
    sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
 | 
						|
                           KERNEL_LOAD_ADDR, kernel_size,
 | 
						|
                           kernel_cmdline,
 | 
						|
                           INITRD_LOAD_ADDR, initrd_size,
 | 
						|
                           /* XXX: need an option to load a NVRAM image */
 | 
						|
                           0,
 | 
						|
                           graphic_width, graphic_height, graphic_depth,
 | 
						|
                           (uint8_t *)&nd_table[0].macaddr);
 | 
						|
 | 
						|
    fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
 | 
						|
    fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
 | 
						|
    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
 | 
						|
    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
 | 
						|
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
 | 
						|
    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
 | 
						|
    if (kernel_cmdline) {
 | 
						|
        fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
 | 
						|
                       strlen(kernel_cmdline) + 1);
 | 
						|
        fw_cfg_add_bytes(fw_cfg, FW_CFG_CMDLINE_DATA,
 | 
						|
                         (uint8_t*)strdup(kernel_cmdline),
 | 
						|
                         strlen(kernel_cmdline) + 1);
 | 
						|
    } else {
 | 
						|
        fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
 | 
						|
    }
 | 
						|
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
 | 
						|
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
 | 
						|
    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_devices[0]);
 | 
						|
 | 
						|
    fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
 | 
						|
    fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
 | 
						|
    fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
 | 
						|
 | 
						|
    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
 | 
						|
}
 | 
						|
 | 
						|
enum {
 | 
						|
    sun4u_id = 0,
 | 
						|
    sun4v_id = 64,
 | 
						|
    niagara_id,
 | 
						|
};
 | 
						|
 | 
						|
static const struct hwdef hwdefs[] = {
 | 
						|
    /* Sun4u generic PC-like machine */
 | 
						|
    {
 | 
						|
        .default_cpu_model = "TI UltraSparc IIi",
 | 
						|
        .machine_id = sun4u_id,
 | 
						|
        .prom_addr = 0x1fff0000000ULL,
 | 
						|
        .console_serial_base = 0,
 | 
						|
    },
 | 
						|
    /* Sun4v generic PC-like machine */
 | 
						|
    {
 | 
						|
        .default_cpu_model = "Sun UltraSparc T1",
 | 
						|
        .machine_id = sun4v_id,
 | 
						|
        .prom_addr = 0x1fff0000000ULL,
 | 
						|
        .console_serial_base = 0,
 | 
						|
    },
 | 
						|
    /* Sun4v generic Niagara machine */
 | 
						|
    {
 | 
						|
        .default_cpu_model = "Sun UltraSparc T1",
 | 
						|
        .machine_id = niagara_id,
 | 
						|
        .prom_addr = 0xfff0000000ULL,
 | 
						|
        .console_serial_base = 0xfff0c2c000ULL,
 | 
						|
    },
 | 
						|
};
 | 
						|
 | 
						|
/* Sun4u hardware initialisation */
 | 
						|
static void sun4u_init(ram_addr_t RAM_size,
 | 
						|
                       const char *boot_devices,
 | 
						|
                       const char *kernel_filename, const char *kernel_cmdline,
 | 
						|
                       const char *initrd_filename, const char *cpu_model)
 | 
						|
{
 | 
						|
    sun4uv_init(RAM_size, boot_devices, kernel_filename,
 | 
						|
                kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]);
 | 
						|
}
 | 
						|
 | 
						|
/* Sun4v hardware initialisation */
 | 
						|
static void sun4v_init(ram_addr_t RAM_size,
 | 
						|
                       const char *boot_devices,
 | 
						|
                       const char *kernel_filename, const char *kernel_cmdline,
 | 
						|
                       const char *initrd_filename, const char *cpu_model)
 | 
						|
{
 | 
						|
    sun4uv_init(RAM_size, boot_devices, kernel_filename,
 | 
						|
                kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]);
 | 
						|
}
 | 
						|
 | 
						|
/* Niagara hardware initialisation */
 | 
						|
static void niagara_init(ram_addr_t RAM_size,
 | 
						|
                         const char *boot_devices,
 | 
						|
                         const char *kernel_filename, const char *kernel_cmdline,
 | 
						|
                         const char *initrd_filename, const char *cpu_model)
 | 
						|
{
 | 
						|
    sun4uv_init(RAM_size, boot_devices, kernel_filename,
 | 
						|
                kernel_cmdline, initrd_filename, cpu_model, &hwdefs[2]);
 | 
						|
}
 | 
						|
 | 
						|
static QEMUMachine sun4u_machine = {
 | 
						|
    .name = "sun4u",
 | 
						|
    .desc = "Sun4u platform",
 | 
						|
    .init = sun4u_init,
 | 
						|
    .max_cpus = 1, // XXX for now
 | 
						|
    .is_default = 1,
 | 
						|
};
 | 
						|
 | 
						|
static QEMUMachine sun4v_machine = {
 | 
						|
    .name = "sun4v",
 | 
						|
    .desc = "Sun4v platform",
 | 
						|
    .init = sun4v_init,
 | 
						|
    .max_cpus = 1, // XXX for now
 | 
						|
};
 | 
						|
 | 
						|
static QEMUMachine niagara_machine = {
 | 
						|
    .name = "Niagara",
 | 
						|
    .desc = "Sun4v platform, Niagara",
 | 
						|
    .init = niagara_init,
 | 
						|
    .max_cpus = 1, // XXX for now
 | 
						|
};
 | 
						|
 | 
						|
static void sun4u_machine_init(void)
 | 
						|
{
 | 
						|
    qemu_register_machine(&sun4u_machine);
 | 
						|
    qemu_register_machine(&sun4v_machine);
 | 
						|
    qemu_register_machine(&niagara_machine);
 | 
						|
}
 | 
						|
 | 
						|
machine_init(sun4u_machine_init);
 |