diff options
Diffstat (limited to 'hw/slavio_misc.c')
| -rw-r--r-- | hw/slavio_misc.c | 14 |
1 files changed, 13 insertions, 1 deletions
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); |