diff options
| -rw-r--r-- | hw/mips/mips_malta.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c index bae60be..3aec6d8 100644 --- a/hw/mips/mips_malta.c +++ b/hw/mips/mips_malta.c @@ -88,6 +88,7 @@ typedef struct { CharDriverState *display; char display_text[9]; SerialState *uart; + bool display_inited; } MaltaFPGAState; #define TYPE_MIPS_MALTA "mips-malta" @@ -530,17 +531,22 @@ static void malta_fpga_reset(void *opaque) snprintf(s->display_text, 9, " "); } -static void malta_fpga_led_init(CharDriverState *chr) +static void malta_fgpa_display_event(void *opaque, int event) { - qemu_chr_fe_printf(chr, "\e[HMalta LEDBAR\r\n"); - qemu_chr_fe_printf(chr, "+--------+\r\n"); - qemu_chr_fe_printf(chr, "+ +\r\n"); - qemu_chr_fe_printf(chr, "+--------+\r\n"); - qemu_chr_fe_printf(chr, "\n"); - qemu_chr_fe_printf(chr, "Malta ASCII\r\n"); - qemu_chr_fe_printf(chr, "+--------+\r\n"); - qemu_chr_fe_printf(chr, "+ +\r\n"); - qemu_chr_fe_printf(chr, "+--------+\r\n"); + MaltaFPGAState *s = opaque; + + if (event == CHR_EVENT_OPENED && !s->display_inited) { + qemu_chr_fe_printf(s->display, "\e[HMalta LEDBAR\r\n"); + qemu_chr_fe_printf(s->display, "+--------+\r\n"); + qemu_chr_fe_printf(s->display, "+ +\r\n"); + qemu_chr_fe_printf(s->display, "+--------+\r\n"); + qemu_chr_fe_printf(s->display, "\n"); + qemu_chr_fe_printf(s->display, "Malta ASCII\r\n"); + qemu_chr_fe_printf(s->display, "+--------+\r\n"); + qemu_chr_fe_printf(s->display, "+ +\r\n"); + qemu_chr_fe_printf(s->display, "+--------+\r\n"); + s->display_inited = true; + } } static MaltaFPGAState *malta_fpga_init(MemoryRegion *address_space, @@ -560,7 +566,9 @@ static MaltaFPGAState *malta_fpga_init(MemoryRegion *address_space, memory_region_add_subregion(address_space, base, &s->iomem_lo); memory_region_add_subregion(address_space, base + 0xa00, &s->iomem_hi); - s->display = qemu_chr_new("fpga", "vc:320x200", malta_fpga_led_init); + s->display = qemu_chr_new("fpga", "vc:320x200", NULL); + qemu_chr_add_handlers(s->display, NULL, NULL, + malta_fgpa_display_event, s); s->uart = serial_mm_init(address_space, base + 0x900, 3, uart_irq, 230400, uart_chr, DEVICE_NATIVE_ENDIAN); |