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-rw-r--r--hw/hppa/lasi.c275
1 files changed, 0 insertions, 275 deletions
diff --git a/hw/hppa/lasi.c b/hw/hppa/lasi.c
deleted file mode 100644
index 5ef36f3f58..0000000000
--- a/hw/hppa/lasi.c
+++ /dev/null
@@ -1,275 +0,0 @@
-/*
- * HP-PARISC Lasi chipset emulation.
- *
- * (C) 2019 by Helge Deller <deller@gmx.de>
- *
- * This work is licensed under the GNU GPL license version 2 or later.
- *
- * Documentation available at:
- * https://parisc.wiki.kernel.org/images-parisc/7/79/Lasi_ers.pdf
- */
-
-#include "qemu/osdep.h"
-#include "qemu/units.h"
-#include "qemu/log.h"
-#include "qapi/error.h"
-#include "trace.h"
-#include "hw/irq.h"
-#include "sysemu/sysemu.h"
-#include "sysemu/runstate.h"
-#include "hppa_sys.h"
-#include "migration/vmstate.h"
-#include "qom/object.h"
-#include "lasi.h"
-
-
-static bool lasi_chip_mem_valid(void *opaque, hwaddr addr,
- unsigned size, bool is_write,
- MemTxAttrs attrs)
-{
- bool ret = false;
-
- switch (addr) {
- case LASI_IRR:
- case LASI_IMR:
- case LASI_IPR:
- case LASI_ICR:
- case LASI_IAR:
-
- case LASI_LPT:
- case LASI_UART:
- case LASI_LAN:
- case LASI_RTC:
-
- case LASI_PCR ... LASI_AMR:
- ret = true;
- }
-
- trace_lasi_chip_mem_valid(addr, ret);
- return ret;
-}
-
-static MemTxResult lasi_chip_read_with_attrs(void *opaque, hwaddr addr,
- uint64_t *data, unsigned size,
- MemTxAttrs attrs)
-{
- LasiState *s = opaque;
- MemTxResult ret = MEMTX_OK;
- uint32_t val;
-
- switch (addr) {
- case LASI_IRR:
- val = s->irr;
- break;
- case LASI_IMR:
- val = s->imr;
- break;
- case LASI_IPR:
- val = s->ipr;
- /* Any read to IPR clears the register. */
- s->ipr = 0;
- break;
- case LASI_ICR:
- val = s->icr & ICR_BUS_ERROR_BIT; /* bus_error */
- break;
- case LASI_IAR:
- val = s->iar;
- break;
-
- case LASI_LPT:
- case LASI_UART:
- case LASI_LAN:
- val = 0;
- break;
- case LASI_RTC:
- val = time(NULL);
- val += s->rtc_ref;
- break;
-
- case LASI_PCR:
- case LASI_VER: /* only version 0 existed. */
- case LASI_IORESET:
- val = 0;
- break;
- case LASI_ERRLOG:
- val = s->errlog;
- break;
- case LASI_AMR:
- val = s->amr;
- break;
-
- default:
- /* Controlled by lasi_chip_mem_valid above. */
- g_assert_not_reached();
- }
-
- trace_lasi_chip_read(addr, val);
-
- *data = val;
- return ret;
-}
-
-static MemTxResult lasi_chip_write_with_attrs(void *opaque, hwaddr addr,
- uint64_t val, unsigned size,
- MemTxAttrs attrs)
-{
- LasiState *s = opaque;
-
- trace_lasi_chip_write(addr, val);
-
- switch (addr) {
- case LASI_IRR:
- /* read-only. */
- break;
- case LASI_IMR:
- s->imr = val;
- if (((val & LASI_IRQ_BITS) != val) && (val != 0xffffffff)) {
- qemu_log_mask(LOG_GUEST_ERROR,
- "LASI: tried to set invalid %lx IMR value.\n",
- (unsigned long) val);
- }
- break;
- case LASI_IPR:
- /* Any write to IPR clears the register. */
- s->ipr = 0;
- break;
- case LASI_ICR:
- s->icr = val;
- /* if (val & ICR_TOC_BIT) issue_toc(); */
- break;
- case LASI_IAR:
- s->iar = val;
- break;
-
- case LASI_LPT:
- /* XXX: reset parallel port */
- break;
- case LASI_UART:
- /* XXX: reset serial port */
- break;
- case LASI_LAN:
- /* XXX: reset LAN card */
- break;
- case LASI_RTC:
- s->rtc_ref = val - time(NULL);
- break;
-
- case LASI_PCR:
- if (val == 0x02) { /* immediately power off */
- qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
- }
- break;
- case LASI_ERRLOG:
- s->errlog = val;
- break;
- case LASI_VER:
- /* read-only. */
- break;
- case LASI_IORESET:
- break; /* XXX: TODO: Reset various devices. */
- case LASI_AMR:
- s->amr = val;
- break;
-
- default:
- /* Controlled by lasi_chip_mem_valid above. */
- g_assert_not_reached();
- }
- return MEMTX_OK;
-}
-
-static const MemoryRegionOps lasi_chip_ops = {
- .read_with_attrs = lasi_chip_read_with_attrs,
- .write_with_attrs = lasi_chip_write_with_attrs,
- .endianness = DEVICE_BIG_ENDIAN,
- .valid = {
- .min_access_size = 1,
- .max_access_size = 4,
- .accepts = lasi_chip_mem_valid,
- },
- .impl = {
- .min_access_size = 1,
- .max_access_size = 4,
- },
-};
-
-static const VMStateDescription vmstate_lasi = {
- .name = "Lasi",
- .version_id = 1,
- .minimum_version_id = 1,
- .fields = (VMStateField[]) {
- VMSTATE_UINT32(irr, LasiState),
- VMSTATE_UINT32(imr, LasiState),
- VMSTATE_UINT32(ipr, LasiState),
- VMSTATE_UINT32(icr, LasiState),
- VMSTATE_UINT32(iar, LasiState),
- VMSTATE_UINT32(errlog, LasiState),
- VMSTATE_UINT32(amr, LasiState),
- VMSTATE_END_OF_LIST()
- }
-};
-
-
-static void lasi_set_irq(void *opaque, int irq, int level)
-{
- LasiState *s = opaque;
- uint32_t bit = 1u << irq;
-
- if (level) {
- s->ipr |= bit;
- if (bit & s->imr) {
- uint32_t iar = s->iar;
- s->irr |= bit;
- if ((s->icr & ICR_BUS_ERROR_BIT) == 0) {
- stl_be_phys(&address_space_memory, iar & -32, iar & 31);
- }
- }
- }
-}
-
-static void lasi_reset(DeviceState *dev)
-{
- LasiState *s = LASI_CHIP(dev);
-
- s->iar = 0xFFFB0000 + 3; /* CPU_HPA + 3 */
-
- /* Real time clock (RTC), it's only one 32-bit counter @9000 */
- s->rtc = time(NULL);
- s->rtc_ref = 0;
-}
-
-static void lasi_init(Object *obj)
-{
- LasiState *s = LASI_CHIP(obj);
- SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
-
- memory_region_init_io(&s->this_mem, OBJECT(s), &lasi_chip_ops,
- s, "lasi", 0x100000);
-
- sysbus_init_mmio(sbd, &s->this_mem);
-
- qdev_init_gpio_in(DEVICE(obj), lasi_set_irq, LASI_IRQS);
-}
-
-static void lasi_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
-
- dc->reset = lasi_reset;
- dc->vmsd = &vmstate_lasi;
-}
-
-static const TypeInfo lasi_pcihost_info = {
- .name = TYPE_LASI_CHIP,
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_init = lasi_init,
- .instance_size = sizeof(LasiState),
- .class_init = lasi_class_init,
-};
-
-static void lasi_register_types(void)
-{
- type_register_static(&lasi_pcihost_info);
-}
-
-type_init(lasi_register_types)
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-26 12:58:45 +0000