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| author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2021-10-20 14:41:26 +0100 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2021-10-20 16:18:40 +0200 |
| commit | 91ff5e4dcd855c6f93b91ef8c5d43b18a1d080d0 (patch) | |
| tree | 723767ded3dfd17644440e0e9c5e4aeaa5ecda94 /hw/m68k/q800.c | |
| parent | 39950b16ecc21bce3bbea3fddcdf1aaefa0d6cef (diff) | |
| download | qemu-91ff5e4dcd855c6f93b91ef8c5d43b18a1d080d0.zip qemu-91ff5e4dcd855c6f93b91ef8c5d43b18a1d080d0.tar.gz qemu-91ff5e4dcd855c6f93b91ef8c5d43b18a1d080d0.tar.bz2 | |
q800: use GLUE IRQ numbers instead of IRQ level for GLUE IRQs
In order to allow dynamic routing of IRQs to different IRQ levels on the CPU
depending upon port B bit 6, use GLUE IRQ numbers and map them to the the
corresponding CPU IRQ level accordingly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20211020134131.4392-4-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'hw/m68k/q800.c')
| -rw-r--r-- | hw/m68k/q800.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c index 15f3067..81c335b 100644 --- a/hw/m68k/q800.c +++ b/hw/m68k/q800.c @@ -102,11 +102,34 @@ struct GLUEState { uint8_t ipr; }; +#define GLUE_IRQ_IN_VIA1 0 +#define GLUE_IRQ_IN_VIA2 1 +#define GLUE_IRQ_IN_SONIC 2 +#define GLUE_IRQ_IN_ESCC 3 + static void GLUE_set_irq(void *opaque, int irq, int level) { GLUEState *s = opaque; int i; + switch (irq) { + case GLUE_IRQ_IN_VIA1: + irq = 5; + break; + + case GLUE_IRQ_IN_VIA2: + irq = 1; + break; + + case GLUE_IRQ_IN_SONIC: + irq = 2; + break; + + case GLUE_IRQ_IN_ESCC: + irq = 3; + break; + } + if (level) { s->ipr |= 1 << irq; } else { @@ -284,7 +307,7 @@ static void q800_init(MachineState *machine) sysbus = SYS_BUS_DEVICE(via1_dev); sysbus_realize_and_unref(sysbus, &error_fatal); sysbus_mmio_map(sysbus, 1, VIA_BASE); - sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, 5)); + sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, GLUE_IRQ_IN_VIA1)); adb_bus = qdev_get_child_bus(via1_dev, "adb.0"); dev = qdev_new(TYPE_ADB_KEYBOARD); @@ -297,7 +320,7 @@ static void q800_init(MachineState *machine) sysbus = SYS_BUS_DEVICE(via2_dev); sysbus_realize_and_unref(sysbus, &error_fatal); sysbus_mmio_map(sysbus, 1, VIA_BASE + VIA_SIZE); - sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, 1)); + sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, GLUE_IRQ_IN_VIA2)); /* MACSONIC */ @@ -330,7 +353,7 @@ static void q800_init(MachineState *machine) sysbus = SYS_BUS_DEVICE(dev); sysbus_realize_and_unref(sysbus, &error_fatal); sysbus_mmio_map(sysbus, 0, SONIC_BASE); - sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, 2)); + sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, GLUE_IRQ_IN_SONIC)); memory_region_init_rom(dp8393x_prom, NULL, "dp8393x-q800.prom", SONIC_PROM_SIZE, &error_fatal); @@ -366,7 +389,8 @@ static void q800_init(MachineState *machine) qdev_realize_and_unref(escc_orgate, NULL, &error_fatal); sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(escc_orgate, 0)); sysbus_connect_irq(sysbus, 1, qdev_get_gpio_in(escc_orgate, 1)); - qdev_connect_gpio_out(DEVICE(escc_orgate), 0, qdev_get_gpio_in(glue, 3)); + qdev_connect_gpio_out(DEVICE(escc_orgate), 0, + qdev_get_gpio_in(glue, GLUE_IRQ_IN_ESCC)); sysbus_mmio_map(sysbus, 0, SCC_BASE); /* SCSI */ |