diff options
Diffstat (limited to 'qemu/hw/misc/slavio_misc.c')
| -rw-r--r-- | qemu/hw/misc/slavio_misc.c | 518 |
1 files changed, 0 insertions, 518 deletions
diff --git a/qemu/hw/misc/slavio_misc.c b/qemu/hw/misc/slavio_misc.c deleted file mode 100644 index edd5de070..000000000 --- a/qemu/hw/misc/slavio_misc.c +++ /dev/null @@ -1,518 +0,0 @@ -/* - * QEMU Sparc SLAVIO aux io port emulation - * - * 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 "qemu/osdep.h" -#include "sysemu/sysemu.h" -#include "hw/sysbus.h" -#include "trace.h" - -/* - * This is the auxio port, chip control and system control part of - * chip STP2001 (Slave I/O), also produced as NCR89C105. See - * http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C105.txt - * - * This also includes the PMC CPU idle controller. - */ - -#define TYPE_SLAVIO_MISC "slavio_misc" -#define SLAVIO_MISC(obj) OBJECT_CHECK(MiscState, (obj), TYPE_SLAVIO_MISC) - -typedef struct MiscState { - SysBusDevice parent_obj; - - MemoryRegion cfg_iomem; - MemoryRegion diag_iomem; - MemoryRegion mdm_iomem; - MemoryRegion led_iomem; - MemoryRegion sysctrl_iomem; - MemoryRegion aux1_iomem; - MemoryRegion aux2_iomem; - qemu_irq irq; - qemu_irq fdc_tc; - uint32_t dummy; - uint8_t config; - uint8_t aux1, aux2; - uint8_t diag, mctrl; - uint8_t sysctrl; - uint16_t leds; -} MiscState; - -#define TYPE_APC "apc" -#define APC(obj) OBJECT_CHECK(APCState, (obj), TYPE_APC) - -typedef struct APCState { - SysBusDevice parent_obj; - - MemoryRegion iomem; - qemu_irq cpu_halt; -} APCState; - -#define MISC_SIZE 1 -#define LED_SIZE 2 -#define SYSCTRL_SIZE 4 - -#define AUX1_TC 0x02 - -#define AUX2_PWROFF 0x01 -#define AUX2_PWRINTCLR 0x02 -#define AUX2_PWRFAIL 0x20 - -#define CFG_PWRINTEN 0x08 - -#define SYS_RESET 0x01 -#define SYS_RESETSTAT 0x02 - -static void slavio_misc_update_irq(void *opaque) -{ - MiscState *s = opaque; - - if ((s->aux2 & AUX2_PWRFAIL) && (s->config & CFG_PWRINTEN)) { - trace_slavio_misc_update_irq_raise(); - qemu_irq_raise(s->irq); - } else { - trace_slavio_misc_update_irq_lower(); - qemu_irq_lower(s->irq); - } -} - -static void slavio_misc_reset(DeviceState *d) -{ - MiscState *s = SLAVIO_MISC(d); - - // Diagnostic and system control registers not cleared in reset - s->config = s->aux1 = s->aux2 = s->mctrl = 0; -} - -static void slavio_set_power_fail(void *opaque, int irq, int power_failing) -{ - MiscState *s = opaque; - - trace_slavio_set_power_fail(power_failing, s->config); - if (power_failing && (s->config & CFG_PWRINTEN)) { - s->aux2 |= AUX2_PWRFAIL; - } else { - s->aux2 &= ~AUX2_PWRFAIL; - } - slavio_misc_update_irq(s); -} - -static void slavio_cfg_mem_writeb(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - MiscState *s = opaque; - - trace_slavio_cfg_mem_writeb(val & 0xff); - s->config = val & 0xff; - slavio_misc_update_irq(s); -} - -static uint64_t slavio_cfg_mem_readb(void *opaque, hwaddr addr, - unsigned size) -{ - MiscState *s = opaque; - uint32_t ret = 0; - - ret = s->config; - trace_slavio_cfg_mem_readb(ret); - return ret; -} - -static const MemoryRegionOps slavio_cfg_mem_ops = { - .read = slavio_cfg_mem_readb, - .write = slavio_cfg_mem_writeb, - .endianness = DEVICE_NATIVE_ENDIAN, - .valid = { - .min_access_size = 1, - .max_access_size = 1, - }, -}; - -static void slavio_diag_mem_writeb(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - MiscState *s = opaque; - - trace_slavio_diag_mem_writeb(val & 0xff); - s->diag = val & 0xff; -} - -static uint64_t slavio_diag_mem_readb(void *opaque, hwaddr addr, - unsigned size) -{ - MiscState *s = opaque; - uint32_t ret = 0; - - ret = s->diag; - trace_slavio_diag_mem_readb(ret); - return ret; -} - -static const MemoryRegionOps slavio_diag_mem_ops = { - .read = slavio_diag_mem_readb, - .write = slavio_diag_mem_writeb, - .endianness = DEVICE_NATIVE_ENDIAN, - .valid = { - .min_access_size = 1, - .max_access_size = 1, - }, -}; - -static void slavio_mdm_mem_writeb(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - MiscState *s = opaque; - - trace_slavio_mdm_mem_writeb(val & 0xff); - s->mctrl = val & 0xff; -} - -static uint64_t slavio_mdm_mem_readb(void *opaque, hwaddr addr, - unsigned size) -{ - MiscState *s = opaque; - uint32_t ret = 0; - - ret = s->mctrl; - trace_slavio_mdm_mem_readb(ret); - return ret; -} - -static const MemoryRegionOps slavio_mdm_mem_ops = { - .read = slavio_mdm_mem_readb, - .write = slavio_mdm_mem_writeb, - .endianness = DEVICE_NATIVE_ENDIAN, - .valid = { - .min_access_size = 1, - .max_access_size = 1, - }, -}; - -static void slavio_aux1_mem_writeb(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - MiscState *s = opaque; - - trace_slavio_aux1_mem_writeb(val & 0xff); - if (val & AUX1_TC) { - // Send a pulse to floppy terminal count line - if (s->fdc_tc) { - qemu_irq_raise(s->fdc_tc); - qemu_irq_lower(s->fdc_tc); - } - val &= ~AUX1_TC; - } - s->aux1 = val & 0xff; -} - -static uint64_t slavio_aux1_mem_readb(void *opaque, hwaddr addr, - unsigned size) -{ - MiscState *s = opaque; - uint32_t ret = 0; - - ret = s->aux1; - trace_slavio_aux1_mem_readb(ret); - return ret; -} - -static const MemoryRegionOps slavio_aux1_mem_ops = { - .read = slavio_aux1_mem_readb, - .write = slavio_aux1_mem_writeb, - .endianness = DEVICE_NATIVE_ENDIAN, - .valid = { - .min_access_size = 1, - .max_access_size = 1, - }, -}; - -static void slavio_aux2_mem_writeb(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - MiscState *s = opaque; - - val &= AUX2_PWRINTCLR | AUX2_PWROFF; - trace_slavio_aux2_mem_writeb(val & 0xff); - val |= s->aux2 & AUX2_PWRFAIL; - if (val & AUX2_PWRINTCLR) // Clear Power Fail int - val &= AUX2_PWROFF; - s->aux2 = val; - if (val & AUX2_PWROFF) - qemu_system_shutdown_request(); - slavio_misc_update_irq(s); -} - -static uint64_t slavio_aux2_mem_readb(void *opaque, hwaddr addr, - unsigned size) -{ - MiscState *s = opaque; - uint32_t ret = 0; - - ret = s->aux2; - trace_slavio_aux2_mem_readb(ret); - return ret; -} - -static const MemoryRegionOps slavio_aux2_mem_ops = { - .read = slavio_aux2_mem_readb, - .write = slavio_aux2_mem_writeb, - .endianness = DEVICE_NATIVE_ENDIAN, - .valid = { - .min_access_size = 1, - .max_access_size = 1, - }, -}; - -static void apc_mem_writeb(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - APCState *s = opaque; - - trace_apc_mem_writeb(val & 0xff); - qemu_irq_raise(s->cpu_halt); -} - -static uint64_t apc_mem_readb(void *opaque, hwaddr addr, - unsigned size) -{ - uint32_t ret = 0; - - trace_apc_mem_readb(ret); - return ret; -} - -static const MemoryRegionOps apc_mem_ops = { - .read = apc_mem_readb, - .write = apc_mem_writeb, - .endianness = DEVICE_NATIVE_ENDIAN, - .valid = { - .min_access_size = 1, - .max_access_size = 1, - } -}; - -static uint64_t slavio_sysctrl_mem_readl(void *opaque, hwaddr addr, - unsigned size) -{ - MiscState *s = opaque; - uint32_t ret = 0; - - switch (addr) { - case 0: - ret = s->sysctrl; - break; - default: - break; - } - trace_slavio_sysctrl_mem_readl(ret); - return ret; -} - -static void slavio_sysctrl_mem_writel(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - MiscState *s = opaque; - - trace_slavio_sysctrl_mem_writel(val); - switch (addr) { - case 0: - if (val & SYS_RESET) { - s->sysctrl = SYS_RESETSTAT; - qemu_system_reset_request(); - } - break; - default: - break; - } -} - -static const MemoryRegionOps slavio_sysctrl_mem_ops = { - .read = slavio_sysctrl_mem_readl, - .write = slavio_sysctrl_mem_writel, - .endianness = DEVICE_NATIVE_ENDIAN, - .valid = { - .min_access_size = 4, - .max_access_size = 4, - }, -}; - -static uint64_t slavio_led_mem_readw(void *opaque, hwaddr addr, - unsigned size) -{ - MiscState *s = opaque; - uint32_t ret = 0; - - switch (addr) { - case 0: - ret = s->leds; - break; - default: - break; - } - trace_slavio_led_mem_readw(ret); - return ret; -} - -static void slavio_led_mem_writew(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - MiscState *s = opaque; - - trace_slavio_led_mem_writew(val & 0xffff); - switch (addr) { - case 0: - s->leds = val; - break; - default: - break; - } -} - -static const MemoryRegionOps slavio_led_mem_ops = { - .read = slavio_led_mem_readw, - .write = slavio_led_mem_writew, - .endianness = DEVICE_NATIVE_ENDIAN, - .valid = { - .min_access_size = 2, - .max_access_size = 2, - }, -}; - -static const VMStateDescription vmstate_misc = { - .name ="slavio_misc", - .version_id = 1, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_UINT32(dummy, MiscState), - VMSTATE_UINT8(config, MiscState), - VMSTATE_UINT8(aux1, MiscState), - VMSTATE_UINT8(aux2, MiscState), - VMSTATE_UINT8(diag, MiscState), - VMSTATE_UINT8(mctrl, MiscState), - VMSTATE_UINT8(sysctrl, MiscState), - VMSTATE_END_OF_LIST() - } -}; - -static int apc_init1(SysBusDevice *dev) -{ - APCState *s = APC(dev); - - sysbus_init_irq(dev, &s->cpu_halt); - - /* Power management (APC) XXX: not a Slavio device */ - memory_region_init_io(&s->iomem, OBJECT(s), &apc_mem_ops, s, - "apc", MISC_SIZE); - sysbus_init_mmio(dev, &s->iomem); - return 0; -} - -static int slavio_misc_init1(SysBusDevice *sbd) -{ - DeviceState *dev = DEVICE(sbd); - MiscState *s = SLAVIO_MISC(dev); - - sysbus_init_irq(sbd, &s->irq); - sysbus_init_irq(sbd, &s->fdc_tc); - - /* 8 bit registers */ - /* Slavio control */ - memory_region_init_io(&s->cfg_iomem, OBJECT(s), &slavio_cfg_mem_ops, s, - "configuration", MISC_SIZE); - sysbus_init_mmio(sbd, &s->cfg_iomem); - - /* Diagnostics */ - memory_region_init_io(&s->diag_iomem, OBJECT(s), &slavio_diag_mem_ops, s, - "diagnostic", MISC_SIZE); - sysbus_init_mmio(sbd, &s->diag_iomem); - - /* Modem control */ - memory_region_init_io(&s->mdm_iomem, OBJECT(s), &slavio_mdm_mem_ops, s, - "modem", MISC_SIZE); - sysbus_init_mmio(sbd, &s->mdm_iomem); - - /* 16 bit registers */ - /* ss600mp diag LEDs */ - memory_region_init_io(&s->led_iomem, OBJECT(s), &slavio_led_mem_ops, s, - "leds", LED_SIZE); - sysbus_init_mmio(sbd, &s->led_iomem); - - /* 32 bit registers */ - /* System control */ - memory_region_init_io(&s->sysctrl_iomem, OBJECT(s), &slavio_sysctrl_mem_ops, s, - "system-control", SYSCTRL_SIZE); - sysbus_init_mmio(sbd, &s->sysctrl_iomem); - - /* AUX 1 (Misc System Functions) */ - memory_region_init_io(&s->aux1_iomem, OBJECT(s), &slavio_aux1_mem_ops, s, - "misc-system-functions", MISC_SIZE); - sysbus_init_mmio(sbd, &s->aux1_iomem); - - /* AUX 2 (Software Powerdown Control) */ - memory_region_init_io(&s->aux2_iomem, OBJECT(s), &slavio_aux2_mem_ops, s, - "software-powerdown-control", MISC_SIZE); - sysbus_init_mmio(sbd, &s->aux2_iomem); - - qdev_init_gpio_in(dev, slavio_set_power_fail, 1); - - return 0; -} - -static void slavio_misc_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - - k->init = slavio_misc_init1; - dc->reset = slavio_misc_reset; - dc->vmsd = &vmstate_misc; -} - -static const TypeInfo slavio_misc_info = { - .name = TYPE_SLAVIO_MISC, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(MiscState), - .class_init = slavio_misc_class_init, -}; - -static void apc_class_init(ObjectClass *klass, void *data) -{ - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - - k->init = apc_init1; -} - -static const TypeInfo apc_info = { - .name = TYPE_APC, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(MiscState), - .class_init = apc_class_init, -}; - -static void slavio_misc_register_types(void) -{ - type_register_static(&slavio_misc_info); - type_register_static(&apc_info); -} - -type_init(slavio_misc_register_types) |