kernel/amd64: Re-organize AMD64 files

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 0 insertions, 188 deletions

diff --git a/sys/arch/amd64/ioapic.c b/sys/arch/amd64/ioapic.c
deleted file mode 100644
index 443142c..0000000
--- a/sys/arch/amd64/ioapic.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
- * Copyright (c) 2023 Ian Marco Moffett and the Osmora Team.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Hyra nor the names of its
- *    contributors may be used to endorse or promote products derived from
- *    this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <machine/ioapic.h>
-#include <machine/ioapicvar.h>
-#include <firmware/acpi/acpi.h>
-#include <sys/panic.h>
-#include <sys/mmio.h>
-#include <sys/cdefs.h>
-#include <sys/syslog.h>
-
-__MODULE_NAME("ioapic");
-__KERNEL_META("$Hyra$: ioapic.c, Ian Marco Moffett, "
-              "I/O APIC driver");
-
-#define IOAPIC_BASE_OFF(off) ((void *)((uintptr_t)ioapic_base + off))
-
-static void *ioapic_base = NULL;
-
-/*
- * Reads a 32 bit value from the IOAPIC
- * register space.
- *
- * @reg: Register to read from.
- */
-static uint32_t
-ioapic_readl(uint16_t reg)
-{
-    mmio_write32(IOAPIC_BASE_OFF(IOREGSEL), reg);
-    return mmio_read32(IOAPIC_BASE_OFF(IOWIN));
-}
-
-/*
- * Writes a 32 bit value to the IOAPIC
- * register space.
- *
- * @reg: Register to write to.
- * @val: Value to write.
- */
-static void
-ioapic_writel(uint16_t reg, uint32_t val)
-{
-    mmio_write32(IOAPIC_BASE_OFF(IOREGSEL), reg);
-    mmio_write32(IOAPIC_BASE_OFF(IOWIN), val);
-}
-
-/*
- * Reads an I/O APIC redirection entry.
- *
- * @entry: Entry variable to read into.
- * @index: Index to read.
- */
-static void
-ioapic_read_redentry(union ioapic_redentry *entry, uint8_t index)
-{
-    uint32_t lo, hi;
-
-    lo = ioapic_readl(IOREDTBL + index * 2);
-    hi = ioapic_readl(IOREDTBL + index * 2 + 1);
-
-    entry->value = ((uint64_t)hi << 32) | lo;
-}
-
-/*
- * Writes an I/O APIC redirection entry.
- *
- * @entry: Entry variable to write.
- * @index: Index to write to.
- */
-static void
-ioapic_write_redentry(const union ioapic_redentry *entry, uint8_t index)
-{
-    ioapic_writel(IOREDTBL + index * 2, (uint32_t)entry->value);
-    ioapic_writel(IOREDTBL + index * 2 + 1, (uint32_t)(entry->value >> 32));
-}
-
-/*
- * Mask I/O APIC pin with "raw" pin number
- * (Global System Interrupt)
- *
- * @gsi: Global System Interrupt number
- */
-void
-ioapic_gsi_mask(uint8_t gsi)
-{
-    union ioapic_redentry redentry;
-
-    ioapic_read_redentry(&redentry, gsi);
-    redentry.interrupt_mask = 1;
-    ioapic_write_redentry(&redentry, gsi);
-}
-
-/*
- * Unmask I/O APIC pin with "raw" pin number
- * (Global System Interrupt)
- *
- * @gsi: Global System Interrupt number
- */
-void
-ioapic_gsi_unmask(uint8_t gsi)
-{
-    union ioapic_redentry redentry;
-
-    ioapic_read_redentry(&redentry, gsi);
-    redentry.interrupt_mask = 0;
-    ioapic_write_redentry(&redentry, gsi);
-}
-
-/*
- * Masks I/O APIC pin via IRQ number
- *
- * @irq: Interrupt Request number
- */
-void
-ioapic_irq_mask(uint8_t irq)
-{
-    uint8_t gsi;
-
-    gsi = irq_to_gsi(irq);
-    ioapic_gsi_mask(gsi);
-}
-
-/*
- * Unmasks I/O APIC pin via IRQ number
- *
- * @irq: Interrupt Request number
- */
-void
-ioapic_irq_unmask(uint8_t irq)
-{
-    uint8_t gsi;
-
-    gsi = irq_to_gsi(irq);
-    ioapic_gsi_unmask(gsi);
-}
-
-void
-ioapic_set_base(void *mmio_base)
-{
-    if (ioapic_base == NULL)
-        ioapic_base = mmio_base;
-}
-
-void
-ioapic_init(void)
-{
-    size_t tmp;
-    uint8_t redir_entry_cnt;
-
-    /* Sanity check */
-    if (ioapic_base == NULL)
-        panic("ioapic base not set!\n");
-
-    tmp = ioapic_readl(IOAPICVER);
-    redir_entry_cnt = __SHIFTOUT(tmp, 0xFF << 16) + 1;
-
-    KINFO("Masking %d GSIs...\n", redir_entry_cnt);
-
-    for (uint8_t i = 0; i < redir_entry_cnt; ++i) {
-        ioapic_gsi_mask(i);
-    }
-}