From 7861a52adf92a083bb2aed4c35f98d8035dce032 Mon Sep 17 00:00:00 2001 From: Xavier Del Campo Romero Date: Mon, 7 Jul 2025 13:22:53 +0200 Subject: Setup project skeleton --- src/drv/ps1/irq/include/drv/ps1/irq.h | 64 +++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 src/drv/ps1/irq/include/drv/ps1/irq.h (limited to 'src/drv/ps1/irq/include') diff --git a/src/drv/ps1/irq/include/drv/ps1/irq.h b/src/drv/ps1/irq/include/drv/ps1/irq.h new file mode 100644 index 0000000..0d40c7f --- /dev/null +++ b/src/drv/ps1/irq/include/drv/ps1/irq.h @@ -0,0 +1,64 @@ +/* + * 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 . + */ + +#ifndef DRV_PS1_IRQ_H +#define DRV_PS1_IRQ_H + +#include + +union drv_ps1_statmask +{ + struct + { + uint32_t vblank :1, gpu :1, cdrom :1, dma :1, tmr0 :1, tmr1 :1, tmr2 :1, + controller :1, sio :1, spu :1, lightpen :1, :21; + } bits; + + uint32_t mask; +}; + +#define I_BASE(x) (0x1f801070 + (x)) +#define I_STAT ((volatile union drv_ps1_statmask *)I_BASE(0)) +#define I_MASK ((volatile union drv_ps1_statmask *)I_BASE(4)) + +enum drv_ps1_irq +{ + IRQ_VBLANK, + IRQ_GPU, + IRQ_CDROM, + IRQ_DMA, + IRQ_TMR0, + IRQ_TMR1, + IRQ_TMR2, + IRQ_JOYPAD_MEMCARD, + IRQ_SIO, + IRQ_SPU, + IRQ_JOYPAD_IO +}; + +struct drv_ps1_irq_src +{ + int mask; + int (*fn)(void); + struct drv_ps1_irq_src *next; +}; + +int drv_ps1_irq_init(void); +int drv_ps1_irq_set(struct drv_ps1_irq_src *src); + +#endif -- cgit v1.2.3