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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "log.h"
#include "proto/simple-text-io.h"
static unsigned log_count = 0;
_noreturn_ static void freeze(void) {
for (;;)
BS->Stall(60 * 1000 * 1000);
}
void efi_assert(const char *expr, const char *file, unsigned line, const char *function) {
log_error("systemd-boot assertion '%s' failed at %s:%u@%s. Halting.", expr, file, line, function);
freeze();
}
EFI_STATUS log_internal(EFI_STATUS status, const char *format, ...) {
assert(format);
int32_t attr = ST->ConOut->Mode->Attribute;
if (ST->ConOut->Mode->CursorColumn > 0)
ST->ConOut->OutputString(ST->ConOut, (char16_t *) u"\r\n");
ST->ConOut->SetAttribute(ST->ConOut, EFI_TEXT_ATTR(EFI_LIGHTRED, EFI_BLACK));
va_list ap;
va_start(ap, format);
vprintf_status(status, format, ap);
va_end(ap);
ST->ConOut->OutputString(ST->ConOut, (char16_t *) u"\r\n");
ST->ConOut->SetAttribute(ST->ConOut, attr);
log_count++;
return status;
}
void log_wait(void) {
if (log_count == 0)
return;
BS->Stall(MIN(4u, log_count) * 2500 * 1000);
log_count = 0;
}
#if defined(__ARM_EABI__)
/* These override the (weak) div0 handlers from libgcc as they would otherwise call raise() instead. */
_used_ _noreturn_ int __aeabi_idiv0(int return_value) {
log_error("Division by zero.");
freeze();
}
_used_ _noreturn_ long long __aeabi_ldiv0(long long return_value) {
log_error("Division by zero.");
freeze();
}
#endif
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