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Check if Display is valid

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This commit is contained in:
Alex 2023-03-27 23:10:13 +03:00
parent 5c1eb4d2bf
commit 3f1467378e
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 9 additions and 2 deletions
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11
Kernel.cpp
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@ -7,6 +7,7 @@
#include <convert.h> #include <convert.h>
#include <printf.h> #include <printf.h>
#include <lock.hpp> #include <lock.hpp>
#include <uart.hpp>
#include <debug.h> #include <debug.h>
#include <smp.hpp> #include <smp.hpp>
#include <cargs.h> #include <cargs.h>
@ -182,7 +183,13 @@ extern bool EnableProfiler;
// For the Display class. Printing on first buffer as default. // For the Display class. Printing on first buffer as default.
int PutCharBufferIndex = 0; int PutCharBufferIndex = 0;
EXTERNC void putchar(char c) { Display->Print(c, PutCharBufferIndex); } EXTERNC void putchar(char c)
{
if (Display)
Display->Print(c, PutCharBufferIndex);
else
UniversalAsynchronousReceiverTransmitter::UART(UniversalAsynchronousReceiverTransmitter::COM1).Write(c);
}
EXTERNC void KPrint(const char *Format, ...) EXTERNC void KPrint(const char *Format, ...)
{ {
@ -197,7 +204,7 @@ EXTERNC void KPrint(const char *Format, ...)
va_end(args); va_end(args);
putchar('\n'); putchar('\n');
if (!Config.BootAnimation) if (!Config.BootAnimation && Display)
Display->SetBuffer(0); Display->SetBuffer(0);
} }