escc: allow one IRQ per serial channel

The Z85C30 on the PowerMAC machines have one interrupt per serial
channel, while the Sparc machines have only one for both. Allow the
emulated device to use one IRQ per channel.

Patch by Laurent Vivier.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6295 c046a42c-6fe2-441c-8c8c-71466251a162

5 files changed, 18 insertions, 14 deletions

diff --git a/hw/escc.c b/hw/escc.c
index d68f90b..372ad5a 100644
--- a/hw/escc.c
+++ b/hw/escc.c
@@ -719,8 +719,9 @@ static int escc_load(QEMUFile *f, void *opaque, int version_id)
 
 }
 
-int escc_init(target_phys_addr_t base, qemu_irq irq, CharDriverState *chrA,
-              CharDriverState *chrB, int clock, int it_shift)
+int escc_init(target_phys_addr_t base, qemu_irq irqA, qemu_irq irqB,
+              CharDriverState *chrA, CharDriverState *chrB,
+              int clock, int it_shift)
 {
     int escc_io_memory, i;
     SerialState *s;
@@ -741,9 +742,10 @@ int escc_init(target_phys_addr_t base, qemu_irq irq, CharDriverState *chrA,
     s->chn[1].chr = chrA;
     s->chn[0].disabled = 0;
     s->chn[1].disabled = 0;
+    s->chn[0].irq = irqB;
+    s->chn[1].irq = irqA;
 
     for (i = 0; i < 2; i++) {
-        s->chn[i].irq = irq;
         s->chn[i].chn = 1 - i;
         s->chn[i].type = ser;
         s->chn[i].clock = clock / 2;
diff --git a/hw/escc.h b/hw/escc.h
index 2f3ae31..015b9d0 100644
--- a/hw/escc.h
+++ b/hw/escc.h
@@ -1,7 +1,8 @@
 /* escc.c */
 #define ESCC_SIZE 4
-int escc_init(target_phys_addr_t base, qemu_irq irq, CharDriverState *chrA,
-              CharDriverState *chrB, int clock, int it_shift);
+int escc_init(target_phys_addr_t base, qemu_irq irqA, qemu_irq irqB,
+              CharDriverState *chrA, CharDriverState *chrB,
+              int clock, int it_shift);
 
 void slavio_serial_ms_kbd_init(target_phys_addr_t base, qemu_irq irq,
                                int disabled, int clock, int it_shift);
diff --git a/hw/ppc_chrp.c b/hw/ppc_chrp.c
index 7625cd1..e6fbfcf 100644
--- a/hw/ppc_chrp.c
+++ b/hw/ppc_chrp.c
@@ -263,8 +263,8 @@ static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
     /* XXX: suppress that */
     dummy_irq = i8259_init(NULL);
 
-    escc_mem_index = escc_init(0x80013000, dummy_irq[4], serial_hds[0],
-                               serial_hds[1], ESCC_CLOCK, 4);
+    escc_mem_index = escc_init(0x80013000, dummy_irq[4], dummy_irq[5],
+                               serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
 
     for(i = 0; i < nb_nics; i++)
         pci_nic_init(pci_bus, &nd_table[i], -1, "ne2k_pci");
diff --git a/hw/ppc_oldworld.c b/hw/ppc_oldworld.c
index cf8b24f..6007479 100644
--- a/hw/ppc_oldworld.c
+++ b/hw/ppc_oldworld.c
@@ -304,7 +304,7 @@ static void ppc_heathrow_init (ram_addr_t ram_size, int vga_ram_size,
     /* XXX: suppress that */
     dummy_irq = i8259_init(NULL);
 
-    escc_mem_index = escc_init(0x80013000, pic[0x10], serial_hds[0],
+    escc_mem_index = escc_init(0x80013000, pic[0x0f], pic[0x10], serial_hds[0],
                                serial_hds[1], ESCC_CLOCK, 4);
 
     for(i = 0; i < nb_nics; i++)
diff --git a/hw/sun4m.c b/hw/sun4m.c
index eb6733c..d3c1e19 100644
--- a/hw/sun4m.c
+++ b/hw/sun4m.c
@@ -548,8 +548,8 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef, ram_addr_t RAM_size,
                               nographic, ESCC_CLOCK, 1);
     // Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device
     // Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device
-    escc_init(hwdef->serial_base, slavio_irq[hwdef->ser_irq], serial_hds[0],
-              serial_hds[1], ESCC_CLOCK, 1);
+    escc_init(hwdef->serial_base, slavio_irq[hwdef->ser_irq], slavio_irq[hwdef->ser_irq],
+              serial_hds[0], serial_hds[1], ESCC_CLOCK, 1);
 
     cpu_halt = qemu_allocate_irqs(cpu_halt_signal, NULL, 1);
     slavio_misc = slavio_misc_init(hwdef->slavio_base, hwdef->apc_base,
@@ -1331,8 +1331,8 @@ static void sun4d_hw_init(const struct sun4d_hwdef *hwdef, ram_addr_t RAM_size,
                               nographic, ESCC_CLOCK, 1);
     // Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device
     // Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device
-    escc_init(hwdef->serial_base, sbi_irq[hwdef->ser_irq], serial_hds[0],
-              serial_hds[1], ESCC_CLOCK, 1);
+    escc_init(hwdef->serial_base, sbi_irq[hwdef->ser_irq], sbi_irq[hwdef->ser_irq],
+              serial_hds[0], serial_hds[1], ESCC_CLOCK, 1);
 
     if (drive_get_max_bus(IF_SCSI) > 0) {
         fprintf(stderr, "qemu: too many SCSI bus\n");
@@ -1534,8 +1534,9 @@ static void sun4c_hw_init(const struct sun4c_hwdef *hwdef, ram_addr_t RAM_size,
                               nographic, ESCC_CLOCK, 1);
     // Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device
     // Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device
-    escc_init(hwdef->serial_base, slavio_irq[hwdef->ser_irq], serial_hds[0],
-              serial_hds[1], ESCC_CLOCK, 1);
+    escc_init(hwdef->serial_base, slavio_irq[hwdef->ser_irq],
+              slavio_irq[hwdef->ser_irq], serial_hds[0], serial_hds[1],
+              ESCC_CLOCK, 1);
 
     slavio_misc = slavio_misc_init(0, 0, hwdef->aux1_base, 0,
                                    slavio_irq[hwdef->me_irq], NULL, &fdc_tc);