/* * hal_apic.h - APIC values (for LAPIC and IOAPIC) * * Copyright (c) 2017 Maxime Villard * * This file is part of ALMOS-MKH. * * ALMOS-MKH is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2.0 of the License. * * ALMOS-MKH 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with ALMOS-MKH; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef x86_ASM char hal_com_read(); void hal_com_send(uint8_t chan, char c); void hal_com_init_early(); void hal_ioapic_bind_irq(uint8_t irq, uint8_t vec, uint8_t dest); void hal_ioapic_enable_irq(uint8_t irq); void hal_ioapic_disable_irq(uint8_t irq); void hal_ioapic_disable_entry(uint8_t irq); void hal_ioapic_set_entry(uint8_t irq, uint8_t vec, uint8_t dest); uint32_t hal_lapic_gid(); void cpu_lapic_init(); void hal_apic_init(); int boot_cpuN(uint32_t gid, paddr_t pa); #endif /* ******************************************************************************* * LAPIC ******************************************************************************* */ #define LAPIC_ID 0x020 /* ID. RW */ # define LAPIC_ID_MASK 0xff000000 # define LAPIC_ID_SHIFT 24 #define LAPIC_VERS 0x030 /* Version. RO */ # define LAPIC_VERSION_MASK 0x000000ff # define LAPIC_VERSION_LVT_MASK 0x00ff0000 # define LAPIC_VERSION_LVT_SHIFT 16 # define LAPIC_VERSION_DIRECTED_EOI 0x01000000 # define LAPIC_VERSION_EXTAPIC_SPACE 0x80000000 #define LAPIC_TPR 0x080 /* Task Prio. RW */ # define LAPIC_TPR_MASK 0x000000ff # define LAPIC_TPR_INT_MASK 0x000000f0 # define LAPIC_TPR_SUB_MASK 0x0000000f #define LAPIC_APRI 0x090 /* Arbitration prio. RO */ # define LAPIC_APRI_MASK 0x000000ff #define LAPIC_PPRI 0x0a0 /* Processor prio. RO */ #define LAPIC_EOI 0x0b0 /* End Int. W */ #define LAPIC_RRR 0x0c0 /* Remote read. RO */ #define LAPIC_LDR 0x0d0 /* Logical dest. RW */ #define LAPIC_DFR 0x0e0 /* Dest. format. RW */ # define LAPIC_DFR_MASK 0xf0000000 # define LAPIC_DFR_FLAT 0xf0000000 # define LAPIC_DFR_CLUSTER 0x00000000 #define LAPIC_SVR 0x0f0 /* Spurious intvec. RW */ # define LAPIC_SVR_VECTOR_MASK 0x000000ff # define LAPIC_SVR_VEC_FIX 0x0000000f # define LAPIC_SVR_VEC_PROG 0x000000f0 # define LAPIC_SVR_ENABLE 0x00000100 # define LAPIC_SVR_FOCUS 0x00000200 # define LAPIC_SVR_FDIS 0x00000200 # define LAPIC_SVR_EOI_BC_DIS 0x00001000 #define LAPIC_ISR 0x100 /* In-Service Status RO */ #define LAPIC_TMR 0x180 /* Trigger Mode RO */ #define LAPIC_IRR 0x200 /* Interrupt Req RO */ #define LAPIC_ESR 0x280 /* Err status. RW */ #define LAPIC_LVT_CMCI 0x2f0 /* LVT CMCI RW */ #define LAPIC_ICRLO 0x300 /* Int. cmd. RW */ # define LAPIC_DLMODE_MASK 0x00000700 /* Delivery Mode */ # define LAPIC_DLMODE_FIXED 0x00000000 # define LAPIC_DLMODE_LOW 0x00000100 # define LAPIC_DLMODE_SMI 0x00000200 # define LAPIC_DLMODE_NMI 0x00000400 # define LAPIC_DLMODE_INIT 0x00000500 # define LAPIC_DLMODE_STARTUP 0x00000600 # define LAPIC_DLMODE_EXTINT 0x00000700 # define LAPIC_DSTMODE_PHYS 0x00000000 # define LAPIC_DSTMODE_LOG 0x00000800 # define LAPIC_DLSTAT_BUSY 0x00001000 # define LAPIC_DLSTAT_IDLE 0x00000000 # define LAPIC_LEVEL_MASK 0x00004000 # define LAPIC_LEVEL_ASSERT 0x00004000 # define LAPIC_LEVEL_DEASSERT 0x00000000 # define LAPIC_TRIGGER_MASK 0x00008000 # define LAPIC_TRIGGER_EDGE 0x00000000 # define LAPIC_TRIGGER_LEVEL 0x00008000 # define LAPIC_DEST_MASK 0x000c0000 # define LAPIC_DEST_DEFAULT 0x00000000 # define LAPIC_DEST_SELF 0x00040000 # define LAPIC_DEST_ALLINCL 0x00080000 # define LAPIC_DEST_ALLEXCL 0x000c0000 #define LAPIC_ICRHI 0x310 /* Int. cmd. RW */ #define LAPIC_LVT_TMR 0x320 /* Loc.vec.(timer) RW */ # define LAPIC_TMR_VEC_MASK 0x000000ff # define LAPIC_TMR_DS 0x00001000 # define LAPIC_TMR_M 0x00010000 # define LAPIC_TMR_TM 0x00020000 #define LAPIC_LVT_THM 0x330 /* Loc.vec (Thermal) RW */ # define LAPIC_THM_MT_MASK 0x00000700 # define LAPIC_THM_MT_FIXED 0x00000000 # define LAPIC_THM_MT_SMI 0x00000200 # define LAPIC_THM_MT_NMI 0x00000400 # define LAPIC_THM_MT_INIT 0x00000500 # define LAPIC_THM_MT_EXTINT 0x00000700 # define LAPIC_THM_DS 0x00001000 # define LAPIC_THM_M 0x00010000 #define LAPIC_LVT_PMC 0x340 /* Loc.vec (Perf Mon) RW */ # define LAPIC_PMC_MT_MASK 0x00000700 # define LAPIC_PMC_MT_FIXED 0x00000000 # define LAPIC_PMC_MT_SMI 0x00000200 # define LAPIC_PMC_MT_NMI 0x00000400 # define LAPIC_PMC_MT_INIT 0x00000500 # define LAPIC_PMC_MT_EXTINT 0x00000700 # define LAPIC_PMC_DS 0x00001000 # define LAPIC_PMC_M 0x00010000 #define LAPIC_LVT_LINT0 0x350 /* Loc.vec (LINT0) RW */ #define LAPIC_LVT_LINT1 0x360 /* Loc.vec (LINT1) RW */ # define LAPIC_LINT_MT_MASK 0x00000700 # define LAPIC_LINT_MT_FIXED 0x00000000 # define LAPIC_LINT_MT_SMI 0x00000200 # define LAPIC_LINT_MT_NMI 0x00000400 # define LAPIC_LINT_MT_INIT 0x00000500 # define LAPIC_LINT_MT_EXTINT 0x00000700 # define LAPIC_LINT_DS 0x00001000 # define LAPIC_LINT_RIR 0x00004000 # define LAPIC_LINT_TGM 0x00008000 # define LAPIC_LINT_M 0x00010000 #define LAPIC_LVT_ERR 0x370 /* Loc.vec (ERROR) RW */ # define LAPIC_ERR_MT_MASK 0x00000700 # define LAPIC_ERR_MT_FIXED 0x00000000 # define LAPIC_ERR_MT_SMI 0x00000200 # define LAPIC_ERR_MT_NMI 0x00000400 # define LAPIC_ERR_MT_INIT 0x00000500 # define LAPIC_ERR_MT_EXTINT 0x00000700 # define LAPIC_ERR_DS 0x00001000 # define LAPIC_ERR_M 0x00010000 #define LAPIC_ICR_TIMER 0x380 /* Initial count RW */ #define LAPIC_CCR_TIMER 0x390 /* Current count RO */ #define LAPIC_DCR_TIMER 0x3e0 /* Divisor config RW */ # define LAPIC_DCRT_DIV1 0x0b # define LAPIC_DCRT_DIV2 0x00 # define LAPIC_DCRT_DIV4 0x01 # define LAPIC_DCRT_DIV8 0x02 # define LAPIC_DCRT_DIV16 0x03 # define LAPIC_DCRT_DIV32 0x08 # define LAPIC_DCRT_DIV64 0x09 # define LAPIC_DCRT_DIV128 0x0a /* ******************************************************************************* * IRQ numbers ******************************************************************************* */ #define IRQ_TIMER 0 #define IRQ_KEYBOARD 1 #define IRQ_COM2 3 #define IRQ_COM1 4 #define IRQ_FLOPPY 6 #define IRQ_ATA0 14 #define IRQ_ATA1 15