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serial: fix maxspeed hang at boot reading from console

This commit is contained in:
Flyinghead 2020-12-02 14:44:16 +01:00
parent adeacd89f4
commit 6154cc08db
1 changed files with 4 additions and 2 deletions
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6
core/hw/sh4/modules/serial.cpp
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@ -79,7 +79,8 @@ static u32 ReadSerialStatus(u32 addr)
{ {
#if HOST_OS == OS_LINUX || defined(__APPLE__) #if HOST_OS == OS_LINUX || defined(__APPLE__)
int count = 0; int count = 0;
if (settings.debug.SerialConsole && ioctl(tty, FIONREAD, &count) == 0 && count > 0) if (settings.debug.SerialConsole && tty != 1
&& ioctl(tty, FIONREAD, &count) == 0 && count > 0)
{ {
return SCIF_SCFSR2.full | 2; return SCIF_SCFSR2.full | 2;
} }
@ -112,7 +113,8 @@ static u32 Read_SCFDR2(u32 addr)
static u32 ReadSerialData(u32 addr) static u32 ReadSerialData(u32 addr)
{ {
u8 data = 0; u8 data = 0;
read(tty, &data, 1); if (tty != 1)
read(tty, &data, 1);
return data; return data;
} }