Wire up TC signal from Aux1 to FDC

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4096 c046a42c-6fe2-441c-8c8c-71466251a162

5 files changed, 42 insertions, 13 deletions

diff --git a/hw/fdc.c b/hw/fdc.c
index 0bb480c262..de5238dbe0 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -766,8 +766,18 @@ fdctrl_t *fdctrl_init (qemu_irq irq, int dma_chann, int mem_mapped,
     return fdctrl;
 }
 
+static void fdctrl_handle_tc(void *opaque, int irq, int level)
+{
+    //fdctrl_t *s = opaque;
+
+    if (level) {
+        // XXX
+        FLOPPY_DPRINTF("TC pulsed\n");
+    }
+}
+
 fdctrl_t *sun4m_fdctrl_init (qemu_irq irq, target_phys_addr_t io_base,
-                             BlockDriverState **fds)
+                             BlockDriverState **fds, qemu_irq *fdc_tc)
 {
     fdctrl_t *fdctrl;
     int io_mem;
@@ -778,6 +788,7 @@ fdctrl_t *sun4m_fdctrl_init (qemu_irq irq, target_phys_addr_t io_base,
                                     fdctrl_mem_write_strict,
                                     fdctrl);
     cpu_register_physical_memory(io_base, 0x08, io_mem);
+    *fdc_tc = *qemu_allocate_irqs(fdctrl_handle_tc, fdctrl, 1);
 
     return fdctrl;
 }
diff --git a/hw/fdc.h b/hw/fdc.h
index 620c4061f9..7b6a9ded8e 100644
--- a/hw/fdc.h
+++ b/hw/fdc.h
@@ -7,5 +7,5 @@ fdctrl_t *fdctrl_init (qemu_irq irq, int dma_chann, int mem_mapped,
                        target_phys_addr_t io_base,
                        BlockDriverState **fds);
 fdctrl_t *sun4m_fdctrl_init (qemu_irq irq, target_phys_addr_t io_base,
-                             BlockDriverState **fds);
+                             BlockDriverState **fds, qemu_irq *fdc_tc);
 int fdctrl_get_drive_type(fdctrl_t *fdctrl, int drive_num);
diff --git a/hw/slavio_misc.c b/hw/slavio_misc.c
index 71128c267d..865e5ae8bb 100644
--- a/hw/slavio_misc.c
+++ b/hw/slavio_misc.c
@@ -51,6 +51,7 @@ typedef struct MiscState {
     uint32_t sysctrl;
     uint16_t leds;
     CPUState *env;
+    qemu_irq fdc_tc;
 } MiscState;
 
 #define MISC_SIZE 1
@@ -66,6 +67,8 @@ typedef struct MiscState {
 #define MISC_MDM  0x01b00000
 #define MISC_SYS  0x01f00000
 
+#define AUX1_TC        0x02
+
 #define AUX2_PWROFF    0x01
 #define AUX2_PWRINTCLR 0x02
 #define AUX2_PWRFAIL   0x20
@@ -175,6 +178,14 @@ static void slavio_aux1_mem_writeb(void *opaque, target_phys_addr_t addr,
     MiscState *s = opaque;
 
     MISC_DPRINTF("Write aux1 %2.2x\n", 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;
 }
 
@@ -407,7 +418,7 @@ static int slavio_misc_load(QEMUFile *f, void *opaque, int version_id)
 void *slavio_misc_init(target_phys_addr_t base, target_phys_addr_t power_base,
                        target_phys_addr_t aux1_base,
                        target_phys_addr_t aux2_base, qemu_irq irq,
-                       CPUState *env)
+                       CPUState *env, qemu_irq **fdc_tc)
 {
     int io;
     MiscState *s;
@@ -462,6 +473,7 @@ void *slavio_misc_init(target_phys_addr_t base, target_phys_addr_t power_base,
 
     s->irq = irq;
     s->env = env;
+    *fdc_tc = &s->fdc_tc;
 
     register_savevm("slavio_misc", base, 1, slavio_misc_save, slavio_misc_load,
                     s);
diff --git a/hw/sun4m.c b/hw/sun4m.c
index 7900b51719..1d36f618f9 100644
--- a/hw/sun4m.c
+++ b/hw/sun4m.c
@@ -376,6 +376,7 @@ static void sun4m_hw_init(const struct hwdef *hwdef, int RAM_size,
     qemu_irq *cpu_irqs[MAX_CPUS], *slavio_irq, *slavio_cpu_irq,
         *espdma_irq, *ledma_irq;
     qemu_irq *esp_reset, *le_reset;
+    qemu_irq *fdc_tc;
     unsigned long prom_offset, kernel_size;
     int ret;
     char buf[1024];
@@ -494,6 +495,11 @@ static void sun4m_hw_init(const struct hwdef *hwdef, int RAM_size,
     slavio_serial_init(hwdef->serial_base, slavio_irq[hwdef->ser_irq],
                        serial_hds[1], serial_hds[0]);
 
+    slavio_misc = slavio_misc_init(hwdef->slavio_base, hwdef->apc_base,
+                                   hwdef->aux1_base, hwdef->aux2_base,
+                                   slavio_irq[hwdef->me_irq], envs[0],
+                                   &fdc_tc);
+
     if (hwdef->fd_base != (target_phys_addr_t)-1) {
         /* there is zero or one floppy drive */
         memset(fd, 0, sizeof(fd));
@@ -501,7 +507,8 @@ static void sun4m_hw_init(const struct hwdef *hwdef, int RAM_size,
         if (index != -1)
             fd[0] = drives_table[index].bdrv;
 
-        sun4m_fdctrl_init(slavio_irq[hwdef->fd_irq], hwdef->fd_base, fd);
+        sun4m_fdctrl_init(slavio_irq[hwdef->fd_irq], hwdef->fd_base, fd,
+                          fdc_tc);
     }
 
     if (drive_get_max_bus(IF_SCSI) > 0) {
@@ -520,9 +527,6 @@ static void sun4m_hw_init(const struct hwdef *hwdef, int RAM_size,
         esp_scsi_attach(main_esp, drives_table[index].bdrv, i);
     }
 
-    slavio_misc = slavio_misc_init(hwdef->slavio_base, hwdef->apc_base,
-                                   hwdef->aux1_base, hwdef->aux2_base,
-                                   slavio_irq[hwdef->me_irq], envs[0]);
     if (hwdef->cs_base != (target_phys_addr_t)-1)
         cs_init(hwdef->cs_base, hwdef->cs_irq, slavio_intctl);
 
@@ -549,6 +553,7 @@ static void sun4c_hw_init(const struct hwdef *hwdef, int RAM_size,
     void *iommu, *espdma, *ledma, *main_esp, *nvram;
     qemu_irq *cpu_irqs, *slavio_irq, *espdma_irq, *ledma_irq;
     qemu_irq *esp_reset, *le_reset;
+    qemu_irq *fdc_tc;
     unsigned long prom_offset, kernel_size;
     int ret;
     char buf[1024];
@@ -643,6 +648,10 @@ static void sun4c_hw_init(const struct hwdef *hwdef, int RAM_size,
     slavio_serial_init(hwdef->serial_base, slavio_irq[hwdef->ser_irq],
                        serial_hds[1], serial_hds[0]);
 
+    slavio_misc = slavio_misc_init(-1, hwdef->apc_base,
+                                   hwdef->aux1_base, hwdef->aux2_base,
+                                   slavio_irq[hwdef->me_irq], env, &fdc_tc);
+
     if (hwdef->fd_base != (target_phys_addr_t)-1) {
         /* there is zero or one floppy drive */
         fd[1] = fd[0] = NULL;
@@ -650,7 +659,8 @@ static void sun4c_hw_init(const struct hwdef *hwdef, int RAM_size,
         if (index != -1)
             fd[0] = drives_table[index].bdrv;
 
-        sun4m_fdctrl_init(slavio_irq[hwdef->fd_irq], hwdef->fd_base, fd);
+        sun4m_fdctrl_init(slavio_irq[hwdef->fd_irq], hwdef->fd_base, fd,
+                          fdc_tc);
     }
 
     if (drive_get_max_bus(IF_SCSI) > 0) {
@@ -669,10 +679,6 @@ static void sun4c_hw_init(const struct hwdef *hwdef, int RAM_size,
         esp_scsi_attach(main_esp, drives_table[index].bdrv, i);
     }
 
-    slavio_misc = slavio_misc_init(-1, hwdef->apc_base,
-                                   hwdef->aux1_base, hwdef->aux2_base,
-                                   slavio_irq[hwdef->me_irq], env);
-
     kernel_size = sun4m_load_kernel(kernel_filename, kernel_cmdline,
                                     initrd_filename);
 
diff --git a/hw/sun4m.h b/hw/sun4m.h
index bf2eca31e2..212e30d0f8 100644
--- a/hw/sun4m.h
+++ b/hw/sun4m.h
@@ -56,7 +56,7 @@ void slavio_serial_ms_kbd_init(target_phys_addr_t base, qemu_irq irq,
 void *slavio_misc_init(target_phys_addr_t base, target_phys_addr_t power_base,
                        target_phys_addr_t aux1_base,
                        target_phys_addr_t aux2_base, qemu_irq irq,
-                       CPUState *env);
+                       CPUState *env, qemu_irq **fdc_tc);
 void slavio_set_power_fail(void *opaque, int power_failing);
 
 /* cs4231.c */