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-rw-r--r--hw/slavio_misc.c244
1 files changed, 0 insertions, 244 deletions
diff --git a/hw/slavio_misc.c b/hw/slavio_misc.c
deleted file mode 100644
index 904f44e..0000000
--- a/hw/slavio_misc.c
+++ /dev/null
@@ -1,244 +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 "vl.h"
-/* debug misc */
-//#define DEBUG_MISC
-
-/*
- * 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.
- */
-
-#ifdef DEBUG_MISC
-#define MISC_DPRINTF(fmt, args...) \
-do { printf("MISC: " fmt , ##args); } while (0)
-#else
-#define MISC_DPRINTF(fmt, args...)
-#endif
-
-typedef struct MiscState {
- int irq;
- uint8_t config;
- uint8_t aux1, aux2;
- uint8_t diag, mctrl, sysctrl;
-} MiscState;
-
-#define MISC_MAXADDR 1
-
-static void slavio_misc_update_irq(void *opaque)
-{
- MiscState *s = opaque;
-
- if ((s->aux2 & 0x4) && (s->config & 0x8)) {
- pic_set_irq(s->irq, 1);
- } else {
- pic_set_irq(s->irq, 0);
- }
-}
-
-static void slavio_misc_reset(void *opaque)
-{
- MiscState *s = opaque;
-
- // Diagnostic and system control registers not cleared in reset
- s->config = s->aux1 = s->aux2 = s->mctrl = 0;
-}
-
-void slavio_set_power_fail(void *opaque, int power_failing)
-{
- MiscState *s = opaque;
-
- MISC_DPRINTF("Power fail: %d, config: %d\n", power_failing, s->config);
- if (power_failing && (s->config & 0x8)) {
- s->aux2 |= 0x4;
- } else {
- s->aux2 &= ~0x4;
- }
- slavio_misc_update_irq(s);
-}
-
-static void slavio_misc_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
-{
- MiscState *s = opaque;
-
- switch (addr & 0xfff0000) {
- case 0x1800000:
- MISC_DPRINTF("Write config %2.2x\n", val & 0xff);
- s->config = val & 0xff;
- slavio_misc_update_irq(s);
- break;
- case 0x1900000:
- MISC_DPRINTF("Write aux1 %2.2x\n", val & 0xff);
- s->aux1 = val & 0xff;
- break;
- case 0x1910000:
- val &= 0x3;
- MISC_DPRINTF("Write aux2 %2.2x\n", val);
- val |= s->aux2 & 0x4;
- if (val & 0x2) // Clear Power Fail int
- val &= 0x1;
- s->aux2 = val;
- if (val & 1)
- qemu_system_shutdown_request();
- slavio_misc_update_irq(s);
- break;
- case 0x1a00000:
- MISC_DPRINTF("Write diag %2.2x\n", val & 0xff);
- s->diag = val & 0xff;
- break;
- case 0x1b00000:
- MISC_DPRINTF("Write modem control %2.2x\n", val & 0xff);
- s->mctrl = val & 0xff;
- break;
- case 0x1f00000:
- MISC_DPRINTF("Write system control %2.2x\n", val & 0xff);
- if (val & 1) {
- s->sysctrl = 0x2;
- qemu_system_reset_request();
- }
- break;
- case 0xa000000:
- MISC_DPRINTF("Write power management %2.2x\n", val & 0xff);
-#if 0
- // XXX almost works
- cpu_interrupt(cpu_single_env, CPU_INTERRUPT_HALT);
-#endif
- break;
- }
-}
-
-static uint32_t slavio_misc_mem_readb(void *opaque, target_phys_addr_t addr)
-{
- MiscState *s = opaque;
- uint32_t ret = 0;
-
- switch (addr & 0xfff0000) {
- case 0x1800000:
- ret = s->config;
- MISC_DPRINTF("Read config %2.2x\n", ret);
- break;
- case 0x1900000:
- ret = s->aux1;
- MISC_DPRINTF("Read aux1 %2.2x\n", ret);
- break;
- case 0x1910000:
- ret = s->aux2;
- MISC_DPRINTF("Read aux2 %2.2x\n", ret);
- break;
- case 0x1a00000:
- ret = s->diag;
- MISC_DPRINTF("Read diag %2.2x\n", ret);
- break;
- case 0x1b00000:
- ret = s->mctrl;
- MISC_DPRINTF("Read modem control %2.2x\n", ret);
- break;
- case 0x1f00000:
- MISC_DPRINTF("Read system control %2.2x\n", ret);
- ret = s->sysctrl;
- break;
- case 0xa000000:
- MISC_DPRINTF("Read power management %2.2x\n", ret);
- break;
- }
- return ret;
-}
-
-static CPUReadMemoryFunc *slavio_misc_mem_read[3] = {
- slavio_misc_mem_readb,
- slavio_misc_mem_readb,
- slavio_misc_mem_readb,
-};
-
-static CPUWriteMemoryFunc *slavio_misc_mem_write[3] = {
- slavio_misc_mem_writeb,
- slavio_misc_mem_writeb,
- slavio_misc_mem_writeb,
-};
-
-static void slavio_misc_save(QEMUFile *f, void *opaque)
-{
- MiscState *s = opaque;
-
- qemu_put_be32s(f, &s->irq);
- qemu_put_8s(f, &s->config);
- qemu_put_8s(f, &s->aux1);
- qemu_put_8s(f, &s->aux2);
- qemu_put_8s(f, &s->diag);
- qemu_put_8s(f, &s->mctrl);
- qemu_put_8s(f, &s->sysctrl);
-}
-
-static int slavio_misc_load(QEMUFile *f, void *opaque, int version_id)
-{
- MiscState *s = opaque;
-
- if (version_id != 1)
- return -EINVAL;
-
- qemu_get_be32s(f, &s->irq);
- qemu_get_8s(f, &s->config);
- qemu_get_8s(f, &s->aux1);
- qemu_get_8s(f, &s->aux2);
- qemu_get_8s(f, &s->diag);
- qemu_get_8s(f, &s->mctrl);
- qemu_get_8s(f, &s->sysctrl);
- return 0;
-}
-
-void *slavio_misc_init(uint32_t base, int irq)
-{
- int slavio_misc_io_memory;
- MiscState *s;
-
- s = qemu_mallocz(sizeof(MiscState));
- if (!s)
- return NULL;
-
- slavio_misc_io_memory = cpu_register_io_memory(0, slavio_misc_mem_read, slavio_misc_mem_write, s);
- // Slavio control
- cpu_register_physical_memory(base + 0x1800000, MISC_MAXADDR, slavio_misc_io_memory);
- // AUX 1
- cpu_register_physical_memory(base + 0x1900000, MISC_MAXADDR, slavio_misc_io_memory);
- // AUX 2
- cpu_register_physical_memory(base + 0x1910000, MISC_MAXADDR, slavio_misc_io_memory);
- // Diagnostics
- cpu_register_physical_memory(base + 0x1a00000, MISC_MAXADDR, slavio_misc_io_memory);
- // Modem control
- cpu_register_physical_memory(base + 0x1b00000, MISC_MAXADDR, slavio_misc_io_memory);
- // System control
- cpu_register_physical_memory(base + 0x1f00000, MISC_MAXADDR, slavio_misc_io_memory);
- // Power management
- cpu_register_physical_memory(base + 0xa000000, MISC_MAXADDR, slavio_misc_io_memory);
-
- s->irq = irq;
-
- register_savevm("slavio_misc", base, 1, slavio_misc_save, slavio_misc_load, s);
- qemu_register_reset(slavio_misc_reset, s);
- slavio_misc_reset(s);
- return s;
-}
generated by cgit v1.1 at 2024-05-20 18:22:59 +0000