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/*
* wnix, a Unix-like operating system for WebAssembly applications.
* Copyright (C) 2025 Xavier Del Campo Romero
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <drv/ps1/irq.h>
#include <drv/ps1/irq/routines.h>
#include <drv/ps1/bios.h>
#include <setjmp.h>
int drv_ps1_irq_init(void)
{
static jmp_buf jmp;
static char stack[128];
const int critical = EnterCriticalSection();
if (SaveState(jmp))
drv_ps1_irq_handler();
jmp->sp = (unsigned)stack + sizeof stack - 4;
SetCustomExitFromException(jmp);
if (critical)
ExitCriticalSection();
return 0;
}
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