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

diff --git a/hw/escc.c b/hw/escc.c
index d68f90b541e80edb42f3ae880563acb53ba7f99e..372ad5acf4f528cdef5a0208ad19fdf3413ab423 100644 (file)
--- 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 2f3ae31164baf7d6f1151425842c6525148b6ece..015b9d0089ebd0ec779d780d62a9aa4dc30d6109 100644 (file)
--- 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 7625cd131442dcd308e1d5a52d93c3b83effc51d..e6fbfcfd30f804c4d8a3cab53ff221e81c1e344a 100644 (file)
--- 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 cf8b24f582b6d5e2228d8f8bc6590e36fe84b62d..60074793639c4059d265348e3e67462b74dd2bf3 100644 (file)
--- 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 eb6733c0cbc8f75bf30d88ce2692721ccbb4776f..d3c1e199ad4856dc1e06e9f3f6dd0e102bdaeb56 100644 (file)
--- 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);