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Remove Doxygen-style comments, change formatting to wrap comments
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This commit is contained in:
Kamil Kowalczyk
2026-01-06 02:04:32 +01:00
parent 902682ac11
commit 7915986902
15 changed files with 469 additions and 510 deletions
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32
kernel/amd64/hpet.c
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@@ -10,30 +10,27 @@
#include <uacpi/tables.h>
#include <uacpi/uacpi.h>
/**
* @file
*
* @brief HPET (High Precision Event Timer) driver code.
* See more at https://wiki.osdev.org/HPET
/*
* HPET (High Precision Event Timer) driver code. See more at https://wiki.osdev.org/HPET
*/
/// HPET Main Counter Value Register
/* HPET Main Counter Value Register */
#define HPET_MCVR 0xF0
/// HPET General Configuration Register
/* HPET General Configuration Register */
#define HPET_GCR 0x10
/// HPET General Capabilities and ID Register
/* HPET General Capabilities and ID Register */
#define HPET_GCIDR 0x00
/// Set whether we sould use 32-bit or 64-bit reads/writes
/* Set whether we sould use 32-bit or 64-bit reads/writes */
static bool hpet_32bits = 1;
/// Physical address for HPET MMIO
/* Physical address for HPET MMIO */
static uintptr_t hpet_paddr;
/// HPET period in femtoseconds
/* HPET period in femtoseconds */
static uint64_t hpet_period_fs;
/// Lock, which protects concurrent access. See \ref amd64/smp.c
/* Lock, which protects concurrent access. See amd64/smp.c */
static spin_lock_t hpet_lock = SPIN_LOCK_INIT;
/// Read a HPET register. Assumes caller holds \ref hpet_lock
/* Read a HPET register. Assumes caller holds \ref hpet_lock */
static uint64_t amd64_hpet_read (uint32_t reg) {
struct limine_hhdm_response* hhdm = limine_hhdm_request.response;
uintptr_t hpet_vaddr = hpet_paddr + (uintptr_t)hhdm->offset;
@@ -41,7 +38,7 @@ static uint64_t amd64_hpet_read (uint32_t reg) {
: *(volatile uint64_t*)(hpet_vaddr + reg));
}
/// Write a HPET register. Assumes caller holds \ref hpet_lock
/* Write a HPET register. Assumes caller holds \ref hpet_lock */
static void amd64_hpet_write (uint32_t reg, uint64_t value) {
struct limine_hhdm_response* hhdm = limine_hhdm_request.response;
uintptr_t hpet_vaddr = hpet_paddr + (uintptr_t)hhdm->offset;
@@ -51,10 +48,11 @@ static void amd64_hpet_write (uint32_t reg, uint64_t value) {
*(volatile uint64_t*)(hpet_vaddr + reg) = value;
}
/// Read current value of \ref HPET_MCVR register.
/* Read current value of \ref HPET_MCVR register. */
static uint64_t amd64_hpet_timestamp (void) { return amd64_hpet_read (HPET_MCVR); }
/// Sleep for a given amount of microseconds. This time can last longer due to \ref hpet_lock being held.
/* Sleep for a given amount of microseconds. This time can last longer due to \ref hpet_lock being
* held. */
void amd64_hpet_sleep_micro (uint64_t us) {
spin_lock (&hpet_lock);
@@ -74,7 +72,7 @@ void amd64_hpet_sleep_micro (uint64_t us) {
spin_unlock (&hpet_lock);
}
/// Initialize HPET
/* Initialize HPET */
void amd64_hpet_init (void) {
struct uacpi_table hpet_table;
uacpi_status status = uacpi_table_find_by_signature (ACPI_HPET_SIGNATURE, &hpet_table);