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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2022-12-30 15:35:24 +0100
committerPhilippe Mathieu-Daudé <philmd@linaro.org>2023-01-13 09:31:19 +0100
commite7a65ba694d84592d190644d8d0ae4ea9137c35d (patch)
treecf6c2d76ffedb670e9b17d1a8ec4383a490d6c44 /hw/mips
parent3db29dcac23da85486704ef9e7a8e7217f7829cd (diff)
hw/mips/malta: Split FPGA LEDs/ASCII display updates
No need to refresh the ASCII bar when a LED is toggled (and vice versa). Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230104133935.4639-3-philmd@linaro.org>
Diffstat (limited to 'hw/mips')
-rw-r--r--hw/mips/malta.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/hw/mips/malta.c b/hw/mips/malta.c
index c0a2e0ab04..e9424150aa 100644
--- a/hw/mips/malta.c
+++ b/hw/mips/malta.c
@@ -106,11 +106,10 @@ static struct _loaderparams {
} loaderparams;
/* Malta FPGA */
-static void malta_fpga_update_display(void *opaque)
+static void malta_fpga_update_display_leds(MaltaFPGAState *s)
{
char leds_text[9];
int i;
- MaltaFPGAState *s = opaque;
for (i = 7 ; i >= 0 ; i--) {
if (s->leds & (1 << i)) {
@@ -123,6 +122,10 @@ static void malta_fpga_update_display(void *opaque)
qemu_chr_fe_printf(&s->display, "\e[H\n\n|\e[32m%-8.8s\e[00m|\r\n",
leds_text);
+}
+
+static void malta_fpga_update_display_ascii(MaltaFPGAState *s)
+{
qemu_chr_fe_printf(&s->display, "\n\n\n\n|\e[31m%-8.8s\e[00m|",
s->display_text);
}
@@ -457,13 +460,13 @@ static void malta_fpga_write(void *opaque, hwaddr addr,
/* LEDBAR Register */
case 0x00408:
s->leds = val & 0xff;
- malta_fpga_update_display(s);
+ malta_fpga_update_display_leds(s);
break;
/* ASCIIWORD Register */
case 0x00410:
snprintf(s->display_text, 9, "%08X", (uint32_t)val);
- malta_fpga_update_display(s);
+ malta_fpga_update_display_ascii(s);
break;
/* ASCIIPOS0 to ASCIIPOS7 Registers */
@@ -476,7 +479,7 @@ static void malta_fpga_write(void *opaque, hwaddr addr,
case 0x00448:
case 0x00450:
s->display_text[(saddr - 0x00418) >> 3] = (char) val;
- malta_fpga_update_display(s);
+ malta_fpga_update_display_ascii(s);
break;
/* SOFTRES Register */