feat: added acpica support

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "acpica"]
+	path = acpica
+	url = https://github.com/acpica/acpica

CMakeLists.txt

@@ -14,15 +14,30 @@ SET(CMAKE_C_FLAGS "-g -ffreestanding -Wall -Wextra -fno-exceptions -fstack-prote
 SET(CMAKE_ASM_FLAGS "${CFLAGS} -m32 -x assembler-with-cpp")
 SET(CMAKE_EXE_LINKER_FLAGS "-T${CMAKE_CURRENT_LIST_DIR}/linker.ld -lgcc -ffreestanding -nostdlib -no-pie")
 
-include_directories(AFTER include)
+include_directories(BEFORE include)
+include_directories(AFTER acpica/source/include)
 
 set(CMAKE_C_STANDARD 99)
 
 FILE(GLOB_RECURSE kernel_src kernel/**.c)
 FILE(GLOB_RECURSE kernel_asm kernel/**.S)
-FILE(GLOB_RECURSE boot_asm boot/boot.S boot/bootpaging.S)
+FILE(GLOB_RECURSE boot_asm boot/boot.S)
+FILE(GLOB_RECURSE acpi_ca_src
+        acpica/source/components/dispatcher/*.c
+        acpica/source/components/events/*.c
+        acpica/source/components/executer/*.c
+        acpica/source/components/namespace/*.c
+        acpica/source/components/parser/*.c
+        acpica/source/components/hardware/*.c
+        acpica/source/components/tables/*.c
+        acpica/source/components/utilities/*.c)
+
+get_filename_component(utprint_full_path acpica/source/components/utilities/utprint.c ABSOLUTE)
+LIST(REMOVE_ITEM acpi_ca_src ${utprint_full_path})
 
 add_compile_definitions(__kernel__)
+add_compile_definitions(__KERNEL__)
+add_compile_definitions(__MYKE__)
 
 # Run IDE in DMA mode if available (NYI)
 #add_compile_definitions(IDE_ENABLE_INTERRUPT)
@@ -31,7 +46,7 @@ add_compile_definitions(ENABLE_SELF_TEST)  # Support for pretty printing pci cla
 add_compile_definitions(ENABLE_PCIPP)  # Support for pretty printing pci class/subclass/interface
 add_compile_definitions(K_SHELL)
 
-add_executable(my-kernel.bin ${kernel_src} ${kernel_asm} ${boot_asm})
+add_executable(my-kernel.bin ${kernel_src} ${kernel_asm} ${boot_asm} ${acpi_ca_src})
 set_source_files_properties(${kernel_src} PROPERTIES LANGUAGE C COMPILE_FLAGS "")
 set_target_properties(my-kernel.bin PROPERTIES LINKER_LANGUAGE C PREFIX "" SUFFIX "" LINK_FLAGS "")
 

boot/boot.S

@@ -19,7 +19,7 @@ forced to be within the first 8 KiB of the kernel file.
 .long CHECKSUM
 
 #.include "gdt.S"
-.section .boot.data, "aw", @progbits
+.section .data
 gdt:
 .quad 0x0000000000000000
 .quad 0x00CF9A000000FFFF
@@ -42,7 +42,7 @@ System V ABI standard and de-facto extensions. The compiler will assume the
 stack is properly aligned and failure to align the stack will result in
 undefined behavior.
 */
-.section .boot.bss, "aw", @nobits
+.section .bss
 .align 16
 stack_bottom:
 .skip 16384 # 16 KiB
@@ -53,10 +53,7 @@ The linker script specifies _start as the entry point to the kernel and the
 bootloader will jump to this position once the kernel has been loaded. It
 doesn't make sense to return from this function as the bootloader is gone.
 */
-.section .boot.text, "ax", @progbits
+.section .text
-
-.extern _boot_paging
-
 .global _start
 .type _start, @function
 _start:
@@ -80,8 +77,6 @@ _start:
 	*/
 	mov $stack_top, %esp
 
-	call _boot_paging
-
 	// store multiboot on stack
 	pushl 0
 	pushl %eax // MB code
@@ -106,13 +101,6 @@ _start:
     movw %ax,%gs
     ljmp $0x8, $continue_boot
 
-/*
-Set the size of the _start symbol to the current location '.' minus its start.
-This is useful when debugging or when you implement call tracing.
-*/
-.size _start, . - _start
-
-.section .text
 continue_boot:
     sti
 	/*
@@ -141,3 +129,9 @@ continue_boot:
 	cli
 1:	#hlt
 	jmp 1b
+
+/*
+Set the size of the _start symbol to the current location '.' minus its start.
+This is useful when debugging or when you implement call tracing.
+*/
+.size _start, . - _start

boot/bootpaging.S

@@ -1,51 +0,0 @@
-.code32
-.extern boot_paging_directory
-.extern boot_primary_table
-
-.section .boot.text, "ax", @progbits
-.global _boot_paging
-.type _boot_paging, @function
-_boot_paging:
-    push %ebp
-    mov %esp, %ebp
-    pusha
-    # Physical address of paging table 1
-    # movl $(boot_primary_table - 0xC0000000), %edi
-    movl $(boot_primary_table - 0xC0000000), %edi
-    movl $0, %esi
-    movl $1024, %ecx
-    cmpl %esi, %ecx
-_boot_paging_loop:
-    # stop when after kernel's last address
-    # cmpl $(_kernel_end -0xC0000000), %esi
-    cmpl $(_kernel_end), %esi
-    jge _boot_paging_after_kernel
-
-    # make address present and writable
-    movl %esi, %edx
-    orl $0x003, %edx
-    movl %edx, (%edi)
-
-    # next address
-    addl $4096, %esi
-    addl $4, %edi
-    loop _boot_paging_loop
-
-_boot_paging_after_kernel:
-    # write to directory
-    movl $(boot_primary_table - 0xC0000000 + 0x003), boot_paging_directory - 0xC0000000 + 0
-    movl $(boot_primary_table - 0xC0000000 + 0x003), boot_paging_directory - 0xC0000000 + 768 * 4
-
-    # write paging directory to cr3
-    movl $(boot_paging_directory - 0xC0000000), %ecx
-    movl %ecx, %cr3
-
-    # enable paging and write protect in cr0
-    movl %cr0, %ecx
-    orl $0x80010000, %ecx
-    movl %ecx, %cr0
-
-_boot_pagin_end:
-    popa
-    pop %ebp
-    ret

include/acmyke.h

@@ -0,0 +1,394 @@
+/******************************************************************************
+ *
+ * Name: acenv.h - Host and compiler configuration
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2016, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights. You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code. No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision. In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change. Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee. Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution. In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government. In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#ifndef __ACMYKE_H__
+#define __ACMYKE_H__
+
+/*
+ * Environment configuration. The purpose of this file is to interface ACPICA
+ * to the local environment. This includes compiler-specific, OS-specific,
+ * and machine-specific configuration.
+ */
+
+/* Types for ACPI_MUTEX_TYPE */
+
+#define ACPI_BINARY_SEMAPHORE       0
+#define ACPI_OSL_MUTEX              1
+
+/* Types for DEBUGGER_THREADING */
+
+#define DEBUGGER_SINGLE_THREADED    0
+#define DEBUGGER_MULTI_THREADED     1
+
+
+/******************************************************************************
+ *
+ * Configuration for ACPI tools and utilities
+ *
+ *****************************************************************************/
+
+/* Common application configuration. All single threaded except for AcpiExec. */
+
+#if (defined ACPI_ASL_COMPILER) || \
+    (defined ACPI_BIN_APP)      || \
+    (defined ACPI_DUMP_APP)     || \
+    (defined ACPI_HELP_APP)     || \
+    (defined ACPI_NAMES_APP)    || \
+    (defined ACPI_SRC_APP)      || \
+    (defined ACPI_XTRACT_APP)   || \
+    (defined ACPI_EXAMPLE_APP)
+#define ACPI_APPLICATION
+#define ACPI_SINGLE_THREADED
+#endif
+
+/* iASL configuration */
+
+#ifdef ACPI_ASL_COMPILER
+#define ACPI_DEBUG_OUTPUT
+#define ACPI_CONSTANT_EVAL_ONLY
+#define ACPI_LARGE_NAMESPACE_NODE
+#define ACPI_DATA_TABLE_DISASSEMBLY
+#define ACPI_32BIT_PHYSICAL_ADDRESS
+#define ACPI_DISASSEMBLER 1
+#endif
+
+/* AcpiExec configuration. Multithreaded with full AML debugger */
+
+#ifdef ACPI_EXEC_APP
+#define ACPI_APPLICATION
+#define ACPI_FULL_DEBUG
+#define ACPI_MUTEX_DEBUG
+#define ACPI_DBG_TRACK_ALLOCATIONS
+#endif
+
+/* AcpiHelp configuration. Error messages disabled. */
+
+#ifdef ACPI_HELP_APP
+#define ACPI_NO_ERROR_MESSAGES
+#endif
+
+/* AcpiNames configuration. Debug output enabled. */
+
+#ifdef ACPI_NAMES_APP
+#define ACPI_DEBUG_OUTPUT
+#endif
+
+/* AcpiExec/AcpiNames/Example configuration. Native RSDP used. */
+
+#if (defined ACPI_EXEC_APP)     || \
+    (defined ACPI_EXAMPLE_APP)  || \
+    (defined ACPI_NAMES_APP)
+#define ACPI_USE_NATIVE_RSDP_POINTER
+#endif
+
+/* AcpiDump configuration. Native mapping used if provided by the host */
+
+#ifdef ACPI_DUMP_APP
+#define ACPI_USE_NATIVE_MEMORY_MAPPING
+#define USE_NATIVE_ALLOCATE_ZEROED
+#endif
+
+/* AcpiNames/Example configuration. Hardware disabled */
+
+#if (defined ACPI_EXAMPLE_APP)  || \
+    (defined ACPI_NAMES_APP)
+#define ACPI_REDUCED_HARDWARE 1
+#endif
+
+/* Linkable ACPICA library. Two versions, one with full debug. */
+
+#ifdef ACPI_LIBRARY
+#define ACPI_USE_LOCAL_CACHE
+#define ACPI_DEBUGGER 1
+#define ACPI_DISASSEMBLER 1
+
+#ifdef _DEBUG
+#define ACPI_DEBUG_OUTPUT
+#endif
+#endif
+
+/* Common for all ACPICA applications */
+
+#ifdef ACPI_APPLICATION
+#define ACPI_USE_SYSTEM_CLIBRARY
+#define ACPI_USE_LOCAL_CACHE
+#endif
+
+/* Common debug/disassembler support */
+
+#ifdef ACPI_FULL_DEBUG
+#define ACPI_DEBUG_OUTPUT
+#define ACPI_DEBUGGER 1
+#define ACPI_DISASSEMBLER 1
+#endif
+
+/*! [Begin] no source code translation */
+
+/******************************************************************************
+ *
+ * Host configuration files. The compiler configuration files are included
+ * by the host files.
+ *
+ *****************************************************************************/
+
+#define ACPI_MACHINE_WIDTH 32
+#define ACPI_DEBUG_OUTPUT
+#define ACPI_USE_LOCAL_CACHE
+#define ACPI_REDUCED_HARDWARE TRUE
+#define ACPI_USE_SYSTEM_CLIBRARY
+#define ACPI_USE_SYSTEM_INTTYPES
+
+#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \
+	asm("divl %2;"				     \
+	    : "=a"(q32), "=d"(r32)		     \
+	    : "r"(d32),				     \
+	     "0"(n_lo), "1"(n_hi))
+
+#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \
+    asm("shrl   $1,%2;"             \
+        "rcrl   $1,%3;"             \
+        :"=r"(n_hi), "=r"(n_lo)     \
+        :"0"(n_hi), "1"(n_lo))
+
+#define UINT8   uint8_t
+#define INT8    int8_t
+#define UINT16  uint16_t
+#define INT16   int16_t
+#define UINT32  uint32_t
+#define INT32   int32_t
+#define UINT64  uint64_t
+#define INT64   int64_t
+#define BOOLEAN uint8_t
+
+#include <sys/types.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdarg.h>
+
+/*! [End] no source code translation !*/
+
+
+/******************************************************************************
+ *
+ * Setup defaults for the required symbols that were not defined in one of
+ * the host/compiler files above.
+ *
+ *****************************************************************************/
+
+/* 64-bit data types */
+
+#ifndef COMPILER_DEPENDENT_INT64
+#define COMPILER_DEPENDENT_INT64   long long
+#endif
+
+#ifndef COMPILER_DEPENDENT_UINT64
+#define COMPILER_DEPENDENT_UINT64  unsigned long long
+#endif
+
+/* Type of mutex supported by host. Default is binary semaphores. */
+
+#ifndef ACPI_MUTEX_TYPE
+#define ACPI_MUTEX_TYPE             ACPI_OSL_MUTEX
+#endif
+
+/* Global Lock acquire/release */
+
+#ifndef ACPI_ACQUIRE_GLOBAL_LOCK
+#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acquired) Acquired = 1
+#endif
+
+#ifndef ACPI_RELEASE_GLOBAL_LOCK
+#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Pending) Pending = 0
+#endif
+
+/* Flush CPU cache - used when going to sleep. Wbinvd or similar. */
+
+#ifndef ACPI_FLUSH_CPU_CACHE
+#define ACPI_FLUSH_CPU_CACHE()
+#endif
+
+/* "inline" keywords - configurable since inline is not standardized */
+
+#ifndef ACPI_INLINE
+#define ACPI_INLINE
+#endif
+
+/*
+ * Configurable calling conventions:
+ *
+ * ACPI_SYSTEM_XFACE        - Interfaces to host OS (handlers, threads)
+ * ACPI_EXTERNAL_XFACE      - External ACPI interfaces
+ * ACPI_INTERNAL_XFACE      - Internal ACPI interfaces
+ * ACPI_INTERNAL_VAR_XFACE  - Internal variable-parameter list interfaces
+ */
+#ifndef ACPI_SYSTEM_XFACE
+#define ACPI_SYSTEM_XFACE
+#endif
+
+#ifndef ACPI_EXTERNAL_XFACE
+#define ACPI_EXTERNAL_XFACE
+#endif
+
+#ifndef ACPI_INTERNAL_XFACE
+#define ACPI_INTERNAL_XFACE
+#endif
+
+#ifndef ACPI_INTERNAL_VAR_XFACE
+#define ACPI_INTERNAL_VAR_XFACE
+#endif
+
+
+/*
+ * Debugger threading model
+ * Use single threaded if the entire subsystem is contained in an application
+ * Use multiple threaded when the subsystem is running in the kernel.
+ *
+ * By default the model is single threaded if ACPI_APPLICATION is set,
+ * multi-threaded if ACPI_APPLICATION is not set.
+ */
+#ifndef DEBUGGER_THREADING
+#if !defined (ACPI_APPLICATION) || defined (ACPI_EXEC_APP)
+#define DEBUGGER_THREADING          DEBUGGER_MULTI_THREADED
+
+#else
+#define DEBUGGER_THREADING          DEBUGGER_SINGLE_THREADED
+#endif
+#endif /* !DEBUGGER_THREADING */
+
+
+/******************************************************************************
+ *
+ * C library configuration
+ *
+ *****************************************************************************/
+
+#ifndef ACPI_FILE
+#ifdef ACPI_APPLICATION
+#include <stdio.h>
+#define ACPI_FILE              FILE *
+#define ACPI_FILE_OUT          stdout
+#define ACPI_FILE_ERR          stderr
+#else
+#define ACPI_FILE              void *
+#define ACPI_FILE_OUT          NULL
+#define ACPI_FILE_ERR          NULL
+#endif /* ACPI_APPLICATION */
+#endif /* ACPI_FILE */
+
+#ifndef ACPI_INIT_FUNCTION
+#define ACPI_INIT_FUNCTION
+#endif
+
+#endif /* __ACMYKE_H__ */

include/acpi.h

@@ -0,0 +1,16 @@
+//
+// Created by rick on 26-03-21.
+//
+
+#ifndef NEW_KERNEL_ACPI_H
+#define NEW_KERNEL_ACPI_H
+
+// override acpi.h from ACPICA
+
+// include custom version of acenv.h
+#include <platform/acenv.h>
+
+// continue with base acpi.h
+#include_next <acpi.h>
+
+#endif //NEW_KERNEL_ACPI_H

include/acpica.h

@@ -0,0 +1,12 @@
+//
+// Created by rick on 24-03-21.
+//
+
+#ifndef NEW_KERNEL_ACPICA_H
+#define NEW_KERNEL_ACPICA_H
+
+#include <acmyke.h>
+#include <acpi.h>
+#include <accommon.h>
+
+#endif //NEW_KERNEL_ACPICA_H

include/myke/acpi.h

@@ -0,0 +1,16 @@
+//
+// Created by rick on 25-03-21.
+//
+
+#ifndef NEW_KERNEL_ACPI_H
+#define NEW_KERNEL_ACPI_H
+
+#include <attributes.h>
+
+void acpi_init_task();
+
+void att_noreturn acpi_shutdown();
+
+void att_noreturn acpi_restart();
+
+#endif //NEW_KERNEL_ACPI_H

include/myke/mem/paging.h

@@ -0,0 +1,8 @@
+//
+// Created by rick on 21-02-21.
+//
+
+#ifndef NEW_KERNEL_PAGING_H
+#define NEW_KERNEL_PAGING_H
+
+#endif //NEW_KERNEL_PAGING_H

include/myke/mem/pm.h

@@ -1,19 +0,0 @@
-//
-// Created by rick on 23-02-21.
-//
-
-#ifndef NEW_KERNEL_PM_H
-#define NEW_KERNEL_PM_H
-
-#include <sys/types.h>
-
-// 4k blocks
-#define PAGE_SIZE 4096
-
-void pm_init(void *start_addr, size_t size);
-
-void *pm_get_pages(uint32_t num_pages);
-
-void pm_free_pages(void *page, uint32_t num_pages);
-
-#endif //NEW_KERNEL_PM_H

include/myke/mem/pmm.h

@@ -0,0 +1,19 @@
+//
+// Created by rick on 23-02-21.
+//
+
+#ifndef NEW_KERNEL_PMM_H
+#define NEW_KERNEL_PMM_H
+
+#include <sys/types.h>
+
+// 4k blocks
+#define PAGE_SIZE 4096
+
+void pmm_init(void *start_addr, size_t size);
+
+void *pmm_get_pages(uint32_t num_pages);
+
+void pmm_free_pages(void *page, uint32_t num_pages);
+
+#endif //NEW_KERNEL_PMM_H

include/myke/mem/vmm.h

@@ -1,13 +0,0 @@
-//
-// Created by rick on 21-02-21.
-//
-
-#ifndef NEW_KERNEL_VMM_H
-#define NEW_KERNEL_VMM_H
-#include <sys/types.h>
-
-void vmm_assign_page(void *paddr, void *vaddr, size_t number_of_pages);
-
-void vmm_unassign_page(void *vaddr, size_t number_of_pages);
-
-#endif //NEW_KERNEL_VMM_H

include/myke/util/slingurl.h

@@ -1,10 +0,0 @@
-//
-// Created by rick on 26-03-21.
-//
-
-#ifndef NEW_KERNEL_SLINGURL_H
-#define NEW_KERNEL_SLINGURL_H
-
-void slingurl_decompose(const char* url);
-
-#endif //NEW_KERNEL_SLINGURL_H

include/platform/acenv.h

@@ -0,0 +1,460 @@
+/******************************************************************************
+ *
+ * Name: acenv.h - Host and compiler configuration
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights. You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code. No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision. In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change. Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee. Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution. In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government. In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************
+ *
+ * Alternatively, you may choose to be licensed under the terms of the
+ * following license:
+ *
+ * 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,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any 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.
+ *
+ * Alternatively, you may choose to be licensed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ *****************************************************************************/
+
+#ifndef __ACENV_H__
+#define __ACENV_H__
+
+/*
+ * Environment configuration. The purpose of this file is to interface ACPICA
+ * to the local environment. This includes compiler-specific, OS-specific,
+ * and machine-specific configuration.
+ */
+
+/* Types for ACPI_MUTEX_TYPE */
+
+#define ACPI_BINARY_SEMAPHORE       0
+#define ACPI_OSL_MUTEX              1
+
+/* Types for DEBUGGER_THREADING */
+
+#define DEBUGGER_SINGLE_THREADED    0
+#define DEBUGGER_MULTI_THREADED     1
+
+
+/******************************************************************************
+ *
+ * Configuration for ACPI tools and utilities
+ *
+ *****************************************************************************/
+
+/* Common application configuration. All single threaded except for AcpiExec. */
+
+#if (defined ACPI_ASL_COMPILER) || \
+    (defined ACPI_BIN_APP) || \
+    (defined ACPI_DUMP_APP) || \
+    (defined ACPI_HELP_APP) || \
+    (defined ACPI_NAMES_APP) || \
+    (defined ACPI_SRC_APP) || \
+    (defined ACPI_XTRACT_APP) || \
+    (defined ACPI_EXAMPLE_APP) || \
+    (defined ACPI_EFI_HELLO)
+#define ACPI_APPLICATION
+#define ACPI_SINGLE_THREADED
+#define USE_NATIVE_ALLOCATE_ZEROED
+#endif
+
+/* iASL configuration */
+
+#ifdef ACPI_ASL_COMPILER
+#define ACPI_DEBUG_OUTPUT
+#define ACPI_CONSTANT_EVAL_ONLY
+#define ACPI_LARGE_NAMESPACE_NODE
+#define ACPI_DATA_TABLE_DISASSEMBLY
+#define ACPI_32BIT_PHYSICAL_ADDRESS
+#define ACPI_DISASSEMBLER 1
+#endif
+
+/* AcpiExec configuration. Multithreaded with full AML debugger */
+
+#ifdef ACPI_EXEC_APP
+#define ACPI_APPLICATION
+#define ACPI_FULL_DEBUG
+#define ACPI_MUTEX_DEBUG
+#define ACPI_DBG_TRACK_ALLOCATIONS
+#endif
+
+/* AcpiHelp configuration. Error messages disabled. */
+
+#ifdef ACPI_HELP_APP
+#define ACPI_NO_ERROR_MESSAGES
+#endif
+
+/* AcpiNames configuration. Debug output enabled. */
+
+#ifdef ACPI_NAMES_APP
+#define ACPI_DEBUG_OUTPUT
+#endif
+
+/* AcpiExec/AcpiNames/Example configuration. Native RSDP used. */
+
+#if (defined ACPI_EXEC_APP) || \
+    (defined ACPI_EXAMPLE_APP) || \
+    (defined ACPI_NAMES_APP)
+#define ACPI_USE_NATIVE_RSDP_POINTER
+#endif
+
+/* AcpiDump configuration. Native mapping used if provided by the host */
+
+#ifdef ACPI_DUMP_APP
+#define ACPI_USE_NATIVE_MEMORY_MAPPING
+#endif
+
+/* AcpiNames/Example configuration. Hardware disabled */
+
+#if (defined ACPI_EXAMPLE_APP) || \
+    (defined ACPI_NAMES_APP)
+#define ACPI_REDUCED_HARDWARE 1
+#endif
+
+/* Linkable ACPICA library. Two versions, one with full debug. */
+
+#ifdef ACPI_LIBRARY
+#define ACPI_USE_LOCAL_CACHE
+#define ACPI_DEBUGGER 1
+#define ACPI_DISASSEMBLER 1
+
+#ifdef _DEBUG
+#define ACPI_DEBUG_OUTPUT
+#endif
+#endif
+
+/* Common for all ACPICA applications */
+
+#ifdef ACPI_APPLICATION
+#define ACPI_USE_LOCAL_CACHE
+#endif
+
+/* Common debug/disassembler support */
+
+#ifdef ACPI_FULL_DEBUG
+#define ACPI_DEBUG_OUTPUT
+#define ACPI_DEBUGGER 1
+#define ACPI_DISASSEMBLER 1
+#endif
+
+/*
+ * acpisrc CR\LF support
+ * Unix file line endings do not include the carriage return.
+ * If the acpisrc utility is being built using a microsoft compiler, it means
+ * that it will be running on a windows machine which means that the output is
+ * expected to have CR/LF newlines. If the acpisrc utility is built with
+ * anything else, it will likely run on a system with LF newlines. This flag
+ * tells the acpisrc utility that newlines will be in the LF format.
+ */
+#if defined(ACPI_SRC_APP) && !defined(_MSC_VER)
+#define ACPI_SRC_OS_LF_ONLY 1
+#else
+#define ACPI_SRC_OS_LF_ONLY 0
+#endif
+
+/*! [Begin] no source code translation */
+
+/******************************************************************************
+ *
+ * Host configuration files. The compiler configuration files are included
+ * first.
+ *
+ *****************************************************************************/
+
+#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
+
+#include <platform/acgcc.h>
+
+#elif defined(_MSC_VER)
+#include "acmsvc.h"
+
+#elif defined(__INTEL_COMPILER)
+#include "acintel.h"
+
+#endif
+// Override include env behavior
+#include <acmyke.h>
+
+/*! [End] no source code translation !*/
+
+
+/******************************************************************************
+ *
+ * Setup defaults for the required symbols that were not defined in one of
+ * the host/compiler files above.
+ *
+ *****************************************************************************/
+
+/* 64-bit data types */
+
+#ifndef COMPILER_DEPENDENT_INT64
+#define COMPILER_DEPENDENT_INT64   long long
+#endif
+
+#ifndef COMPILER_DEPENDENT_UINT64
+#define COMPILER_DEPENDENT_UINT64  unsigned long long
+#endif
+
+/* Type of mutex supported by host. Default is binary semaphores. */
+
+#ifndef ACPI_MUTEX_TYPE
+#define ACPI_MUTEX_TYPE             ACPI_BINARY_SEMAPHORE
+#endif
+
+/* Global Lock acquire/release */
+
+#ifndef ACPI_ACQUIRE_GLOBAL_LOCK
+#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acquired) Acquired = 1
+#endif
+
+#ifndef ACPI_RELEASE_GLOBAL_LOCK
+#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Pending) Pending = 0
+#endif
+
+/* Flush CPU cache - used when going to sleep. Wbinvd or similar. */
+
+#ifndef ACPI_FLUSH_CPU_CACHE
+#define ACPI_FLUSH_CPU_CACHE()
+#endif
+
+/* "inline" keywords - configurable since inline is not standardized */
+
+#ifndef ACPI_INLINE
+#define ACPI_INLINE
+#endif
+
+/* Use ordered initialization if compiler doesn't support designated. */
+#ifndef ACPI_STRUCT_INIT
+#define ACPI_STRUCT_INIT(field, value)  value
+#endif
+
+/*
+ * Configurable calling conventions:
+ *
+ * ACPI_SYSTEM_XFACE        - Interfaces to host OS (handlers, threads)
+ * ACPI_EXTERNAL_XFACE      - External ACPI interfaces
+ * ACPI_INTERNAL_XFACE      - Internal ACPI interfaces
+ * ACPI_INTERNAL_VAR_XFACE  - Internal variable-parameter list interfaces
+ */
+#ifndef ACPI_SYSTEM_XFACE
+#define ACPI_SYSTEM_XFACE
+#endif
+
+#ifndef ACPI_EXTERNAL_XFACE
+#define ACPI_EXTERNAL_XFACE
+#endif
+
+#ifndef ACPI_INTERNAL_XFACE
+#define ACPI_INTERNAL_XFACE
+#endif
+
+#ifndef ACPI_INTERNAL_VAR_XFACE
+#define ACPI_INTERNAL_VAR_XFACE
+#endif
+
+
+/*
+ * Debugger threading model
+ * Use single threaded if the entire subsystem is contained in an application
+ * Use multiple threaded when the subsystem is running in the kernel.
+ *
+ * By default the model is single threaded if ACPI_APPLICATION is set,
+ * multi-threaded if ACPI_APPLICATION is not set.
+ */
+#ifndef DEBUGGER_THREADING
+#if !defined (ACPI_APPLICATION) || defined (ACPI_EXEC_APP)
+#define DEBUGGER_THREADING          DEBUGGER_MULTI_THREADED
+
+#else
+#define DEBUGGER_THREADING          DEBUGGER_SINGLE_THREADED
+#endif
+#endif /* !DEBUGGER_THREADING */
+
+
+/******************************************************************************
+ *
+ * C library configuration
+ *
+ *****************************************************************************/
+
+/*
+ * ACPI_USE_SYSTEM_CLIBRARY - Define this if linking to an actual C library.
+ *      Otherwise, local versions of string/memory functions will be used.
+ * ACPI_USE_STANDARD_HEADERS - Define this if linking to a C library and
+ *      the standard header files may be used. Defining this implies that
+ *      ACPI_USE_SYSTEM_CLIBRARY has been defined.
+ *
+ * The ACPICA subsystem only uses low level C library functions that do not
+ * call operating system services and may therefore be inlined in the code.
+ *
+ * It may be necessary to tailor these include files to the target
+ * generation environment.
+ */
+
+/* Use the standard C library headers. We want to keep these to a minimum. */
+
+#ifdef ACPI_USE_STANDARD_HEADERS
+
+/* Use the standard headers from the standard locations */
+
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#if defined (ACPI_APPLICATION) || defined(ACPI_LIBRARY)
+#include <stdio.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <time.h>
+#include <signal.h>
+#endif
+
+#endif /* ACPI_USE_STANDARD_HEADERS */
+
+#ifdef ACPI_APPLICATION
+#define ACPI_FILE              FILE *
+#define ACPI_FILE_OUT          stdout
+#define ACPI_FILE_ERR          stderr
+#else
+#define ACPI_FILE              void *
+#define ACPI_FILE_OUT          NULL
+#define ACPI_FILE_ERR          NULL
+#endif /* ACPI_APPLICATION */
+
+#ifndef ACPI_INIT_FUNCTION
+#define ACPI_INIT_FUNCTION
+#endif
+
+#endif /* __ACENV_H__ */

include/string.h

@@ -19,8 +19,6 @@ size_t strlen(const char *str);
 
 const char *strchr(const char *s, char c);
 
-const char *strrchr(const char *s, char c);
-
 int memcmp(const void *s1, const void *s2, size_t n);
 
 int strcmp(const char *s1, const char *s2);

kernel/acpi/glue.c

@@ -0,0 +1,342 @@
+//
+// Created by rick on 01-03-21.
+//
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+
+#include <acpi.h>
+
+#include <myke/acpi.h>
+#include <myke/tasks/task.h>
+#include <myke/tasks/locking.h>
+#include <myke/libk/libk.h>
+
+ACPI_STATUS AcpiOsInitialize() {
+    return AE_OK;
+}
+
+ACPI_STATUS AcpiOsTerminate() {
+    return AE_OK;
+}
+
+ACPI_PHYSICAL_ADDRESS AcpiOsGetRootPointer() {
+    ACPI_PHYSICAL_ADDRESS addr = 0;
+    AcpiFindRootPointer(&addr);
+    return addr;
+}
+
+ACPI_STATUS AcpiOsPredefinedOverride(const struct acpi_predefined_names *names, ACPI_STRING *newval) {
+    *newval = NULL;
+    return AE_OK;
+}
+
+ACPI_STATUS AcpiOsTableOverride(struct acpi_table_header *existingTable, struct acpi_table_header **newTable) {
+    *newTable = NULL;
+    return AE_OK;
+}
+
+void *AcpiOsMapMemory(ACPI_PHYSICAL_ADDRESS physicalAddress, ACPI_SIZE length) {
+    return ACPI_TO_POINTER(physicalAddress);
+}
+
+void AcpiOsUnmapMemory(void *logicalAddress, ACPI_SIZE size) {
+}
+
+void *AcpiOsAllocate(ACPI_SIZE size) {
+    return malloc(size);
+}
+
+void AcpiOsFree(void *mem) {
+    free(mem);
+}
+
+uint8_t AcpiOsReadable(void *mem, ACPI_SIZE len) {
+    return 1;
+}
+
+uint8_t AcpiOsWritable(void *mem, ACPI_SIZE len) {
+    return 1;
+}
+
+ACPI_THREAD_ID AcpiOsGetThreadId() {
+    return task_get_current_tid();
+}
+
+ACPI_STATUS AcpiOsExecute(ACPI_EXECUTE_TYPE type, ACPI_OSD_EXEC_CALLBACK func, void *context) {
+    task_spawn(func, context);
+    return AE_OK;
+}
+
+void AcpiOsSleep(uint64_t milliseconds) {
+    k_panics("not supported sleep");
+    // todo
+}
+
+void AcpiOsStall(uint32_t microseconds) {
+    k_panics("not supported stall");
+    // todo
+}
+
+ACPI_STATUS AcpiOsCreateMutex(ACPI_MUTEX*handle) {
+    *handle = mutex_create();
+    return AE_OK;
+}
+
+void AcpiOsDeleteMutex(ACPI_MUTEX handle) {
+    mutex_free(handle);
+}
+
+ACPI_STATUS AcpiOsAcquireMutex(ACPI_MUTEX mutex, uint16_t timeout) {
+    if (timeout != ACPI_WAIT_FOREVER) {
+        k_panics("sem timeout not supported");
+    }
+    mutex_acquire(mutex);
+    return AE_OK;
+}
+
+void AcpiOsReleaseMutex(ACPI_MUTEX mutex) {
+    mutex_release(mutex);
+}
+
+ACPI_STATUS AcpiOsCreateSemaphore(uint32_t maxUnits, uint32_t initialUnits, ACPI_SEMAPHORE*semaphore) {
+    *semaphore = semaphore_create(initialUnits);
+//    k_panics("semaphores don't work");
+    return AE_OK;
+}
+
+ACPI_STATUS AcpiOsDeleteSemaphore(ACPI_SEMAPHORE semaphore) {
+    semaphore_free(semaphore);
+    return AE_OK;
+}
+
+ACPI_STATUS AcpiOsWaitSemaphore(ACPI_SEMAPHORE semaphore, uint32_t units, uint16_t timeout) {
+    if (timeout != ACPI_WAIT_FOREVER) {
+        k_panics("sem timeout not supported");
+    }
+    for (int i = 0; i < units; ++i) {
+        semaphore_wait(semaphore);
+    }
+    return AE_OK;
+}
+
+ACPI_STATUS AcpiOsSignalSemaphore(ACPI_SEMAPHORE semaphore, uint32_t units) {
+    for (int i = 0; i < units; ++i) {
+        semaphore_signal(semaphore);
+    }
+    return AE_OK;
+}
+
+ACPI_STATUS AcpiOsCreateLock(ACPI_SPINLOCK*spinlock) {
+    *spinlock = spinlock_create();
+    return AE_OK;
+}
+
+void AcpiOsDeleteLock(ACPI_SPINLOCK spinlock) {
+    spinlock_free(spinlock);
+}
+
+ACPI_CPU_FLAGS AcpiOsAcquireLock(ACPI_SPINLOCK lock) {
+    spinlock_acquire(lock);
+    return 0;
+}
+
+void AcpiOsReleaseLock(ACPI_SPINLOCK lock, ACPI_CPU_FLAGS flags) {
+    spinlock_release(lock);
+}
+
+ACPI_STATUS AcpiOsInstallInterruptHandler(uint32_t interruptLevel, ACPI_OSD_HANDLER handler, void *context) {
+    k_panics("Interrupt not supported yet");
+    return AE_ERROR;
+}
+
+ACPI_STATUS AcpiOsRemoveInterruptHandler(uint32_t interruptNumber, ACPI_OSD_HANDLER handler) {
+    k_panics("Interrupt not supported yet (r)");
+    return AE_ERROR;
+}
+
+void AcpiOsPrintf(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    printf(format, args);
+    va_end(args);
+}
+
+void AcpiOsVprintf(const char *format, va_list args) {
+    vprintf(format, args);
+}
+
+uint64_t AcpiOsGetTimer() {
+    k_panics("get timer not supported");
+    return 0;
+}
+
+ACPI_STATUS AcpiOsSignal(UINT32 Function, void *Info) {
+    return AE_OK;
+}
+
+void AcpiOsWaitEventsComplete(void) {}
+
+ACPI_STATUS AcpiOsPhysicalTableOverride(ACPI_TABLE_HEADER *ExistingTable, ACPI_PHYSICAL_ADDRESS *NewAddress,
+                                        UINT32 *NewTableLength) {
+    *NewAddress = NULL;
+    *NewTableLength = 0;
+    return (AE_SUPPORT);
+}
+
+ACPI_STATUS AcpiOsReadPciConfiguration(
+        ACPI_PCI_ID *PciId,
+        UINT32 Register,
+        UINT64 *Value,
+        UINT32 Width) {
+    k_panics("pci read not supported");
+    *Value = 0;
+    return (AE_OK);
+}
+
+ACPI_STATUS AcpiOsWritePciConfiguration(
+        ACPI_PCI_ID *PciId,
+        UINT32 Register,
+        UINT64 Value,
+        UINT32 Width) {
+    k_panics("pci write not supported");
+    return (AE_OK);
+}
+
+ACPI_STATUS AcpiOsEnterSleep(
+        UINT8 SleepState,
+        UINT32 RegaValue,
+        UINT32 RegbValue) {
+
+    return (AE_OK);
+}
+
+ACPI_STATUS AcpiOsReadMemory(
+        ACPI_PHYSICAL_ADDRESS Address,
+        UINT64 *Value,
+        UINT32 Width) {
+
+    switch (Width) {
+        case 8:
+            *Value = ((uint8_t *) Address)[0];
+            break;
+        case 16:
+            *Value = ((uint16_t *) Address)[0];
+            break;
+        case 32:
+            *Value = ((uint32_t *) Address)[0];
+            break;
+        case 64:
+            *Value = ((uint64_t *) Address)[0];
+            break;
+
+        default:
+
+            return (AE_BAD_PARAMETER);
+            break;
+    }
+
+    return (AE_OK);
+}
+
+ACPI_STATUS AcpiOsWriteMemory(
+        ACPI_PHYSICAL_ADDRESS Address,
+        UINT64 Value,
+        UINT32 Width) {
+
+    switch (Width) {
+        case 8:
+            *((uint8_t *) Address) = Value;
+            break;
+        case 16:
+            *((uint16_t *) Address) = Value;
+            break;
+        case 32:
+            *((uint32_t *) Address) = Value;
+            break;
+        case 64:
+            *((uint64_t *) Address) = Value;
+            break;
+
+        default:
+
+            return (AE_BAD_PARAMETER);
+            break;
+    }
+
+    return (AE_OK);
+}
+
+ACPI_STATUS AcpiOsReadPort(
+        ACPI_IO_ADDRESS Address,
+        UINT32 *Value,
+        UINT32 Width) {
+    k_panics("unsupported read");
+    return AE_ERROR;
+}
+
+ACPI_STATUS AcpiOsWritePort(
+        ACPI_IO_ADDRESS Address,
+        UINT32 Value,
+        UINT32 Width) {
+    k_panics("unsupported write");
+    return AE_ERROR;
+}
+
+void att_noreturn acpi_init(void *data) {
+    ACPI_STATUS status;
+    status = AcpiInitializeSubsystem();
+    if (ACPI_FAILURE(status)) {
+        k_panics("Failed to init acpi");
+    }
+
+    status = AcpiInitializeTables(NULL, 16, true);
+    if (ACPI_FAILURE(status)) {
+        k_panics("Failed to init tables");
+    }
+
+    status = AcpiLoadTables();
+    if (ACPI_FAILURE(status)) {
+        k_panics("Failed to load tables");
+    }
+
+    status = AcpiEnableSubsystem(ACPI_FULL_INITIALIZATION);
+    if (ACPI_FAILURE(status)) {
+        k_panics("Failed to enable acpi");
+    }
+
+    printf("ACPI Initialized");
+    while (true) {
+        task_suspend();
+    }
+}
+
+void acpi_init_task() {
+    task_spawn(acpi_init, NULL);
+}
+
+void att_noreturn acpi_shutdown() {
+    ACPI_STATUS status;
+    status = AcpiEnterSleepStatePrep(5);
+    if (ACPI_FAILURE(status)) {
+        k_panics("failed to prep shutdown");
+    }
+    status = AcpiEnterSleepState(5);
+    if (ACPI_FAILURE(status)) {
+        k_panics("failed to shutdown");
+    }
+    k_panics("Failed");
+}
+
+void att_noreturn acpi_restart() {
+    ACPI_STATUS status;
+    if (!(AcpiGbl_FADT.Flags & ACPI_FADT_RESET_REGISTER)) {
+        k_panics("Could not restart, not available");
+    }
+    status = AcpiWrite(AcpiGbl_FADT.ResetValue, &AcpiGbl_FADT.ResetRegister);
+    if (ACPI_FAILURE(status)) {
+        k_panics("Failed with status");
+    }
+    k_panics("Failed");
+}

kernel/command.c

@@ -22,7 +22,6 @@
 #ifdef ENABLE_SELF_TEST
 
 #include <myke/debug/debug.h>
-#include <myke/util/slingurl.h>
 
 #endif
 
@@ -57,8 +56,6 @@ void exec_self_test(const char *args);
 
 void smash(const char *args);
 
-void slingurl(const char* args);
-
 #endif
 
 cmd_handler cmd_handlers[] = {
@@ -68,7 +65,6 @@ cmd_handler cmd_handlers[] = {
         {"ide", ide},
         {"shutdown", shutdown},
         {"explode", explode},
-        {"slingurl", slingurl},
 #ifdef ENABLE_SELF_TEST
         {"self-test", exec_self_test},
         {"smash", smash},
@@ -76,10 +72,6 @@ cmd_handler cmd_handlers[] = {
         {NULL, NULL},
 };
 
-void slingurl(const char* args) {
-    slingurl_decompose(args);
-}
-
 void smash(const char *args) {
     char data[16];
     memset(data, 'A', 32);

kernel/kernel.c

@@ -4,6 +4,7 @@
 
 #define DEBUG_INIT
 
+#include <myke/acpi.h>
 #include <myke/command.h>
 #include <myke/cpu/cpuidx.h>
 #include <myke/cpu/gdt.h>
@@ -85,6 +86,7 @@ void att_noreturn att_used kmain(multiboot_info_t *multiboot_info, uint32_t mb_n
 #ifdef K_SHELL
     task_spawn(main_loop, NULL);
 #endif
+    acpi_init_task();
     // switch to tasking
     syscall_start_scheduler();
 }

kernel/libc/string.c

@@ -56,19 +56,6 @@ const char *strchr(const char *s, char c) {
     }
 }
 
-const char *strrchr(const char *s, char c) {
-    int index = strlen(s);
-    while (1) {
-        if (s[index] == c) {
-            return &s[index];
-        }
-        if (index == 0) {
-            return NULL;
-        }
-        index--;
-    }
-}
-
 int memcmp(const void *s1, const void *s2, size_t n) {
     uint8_t a, b;
     for (size_t i = 0; i < n; ++i) {

kernel/mem/malloc.c

@@ -6,7 +6,7 @@
 
 #include <myke/tasks/task.h>
 #include <myke/mem/malloc.h>
-#include <myke/mem/pm.h>
+#include <myke/mem/pmm.h>
 
 //  retrieved from https://github.com/blanham/liballoc
 
@@ -41,7 +41,7 @@ int liballoc_unlock() {
  * \return A pointer to the allocated memory.
  */
 void *liballoc_alloc(size_t size) {
-    return pm_get_pages(size);
+    return pmm_get_pages(size);
 }
 
 /** This frees previously allocated memory. The void* parameter passed
@@ -53,7 +53,7 @@ void *liballoc_alloc(size_t size) {
  * \return 0 if the memory was successfully freed.
  */
 int liballoc_free(void *addr, size_t size) {
-    pm_free_pages(addr, size);
+    pmm_free_pages(addr, size);
     return 0;
 }
 

kernel/mem/mem.c

@@ -8,7 +8,7 @@
 
 #include <myke/libk/libk.h>
 #include <myke/mem/mem.h>
-#include <myke/mem/pm.h>
+#include <myke/mem/pmm.h>
 
 #define MEMMAP_ENTRIES 16
 
@@ -84,7 +84,7 @@ void mmap_init_multiboot(struct multiboot_mmap_entry *entries, uint32_t count) {
             continue; // skip for now
         }
 
-        pm_init((void *) entry->address, entry->length);
+        pmm_init((void *) entry->address, entry->length);
         entry->type = MMAP_TYPE_PAGING;
     }
 }

kernel/mem/paging.c

@@ -0,0 +1,59 @@
+//
+// Created by rick on 21-02-21.
+//
+
+#include <attributes.h>
+#include <stdbool.h>
+#include <sys/types.h>
+
+#include <myke/mem/paging.h>
+
+#define TABLE_ADDR_MASK 0xFFFFF000
+#define DIRECTORY_SIZE 1024
+
+const uint32_t x = TABLE_ADDR_MASK;
+typedef struct {
+    union {
+        struct {
+            bool present: 1;
+            bool read_write: 1;
+            bool user_mode: 1;
+            bool write_through: 1;
+            bool cache_disabled: 1;
+            bool accessed: 1;
+            char ignored: 1;
+            bool page_size: 1;
+            bool global: 1; // ignored
+            uint8_t avail: 3;
+        } att_packed;
+        uint32_t addr;
+    };
+} att_packed page_directory_entry;
+
+typedef struct {
+    union {
+        struct {
+            bool present: 1;
+            bool read_write: 1;
+            bool user_supervisor: 1;
+            bool write_through: 1;
+            bool cache_disabled: 1;
+            bool accessed: 1;
+            bool dirty: 1;
+            char ignored: 1;
+            bool global: 1;
+            uint8_t available: 3;
+        } att_packed;
+        uint32_t addr;
+    };
+} att_packed page_table_entry;
+
+page_directory_entry page_directory[DIRECTORY_SIZE] att_aligned(4096);
+
+void page_pre_init() {
+    for (int i = 0; i < DIRECTORY_SIZE; ++i) {
+        page_directory[i].read_write = true;
+        page_directory[i].user_mode = false;
+        page_directory[i].present = false;
+    }
+}

kernel/mem/pmm.c

@@ -6,8 +6,7 @@
 #include <string.h>
 
 #include <myke/libk/libk.h>
-#include <myke/mem/pm.h>
+#include <myke/mem/pmm.h>
-#include <myke/mem/vmm.h>
 
 #define NUM_PAGING_INFOS 16
 
@@ -40,7 +39,7 @@ typedef struct {
 uint8_t last_paging_info = 0;
 paging_info paging_infos[NUM_PAGING_INFOS];
 
-void pm_init(void *start_addr, size_t size) {
+void pmm_init(void *start_addr, size_t size) {
     uint32_t num_pages = size / PAGE_SIZE;
     uint32_t bitmap_size = num_pages / 8;
     uint32_t bitmap_pages = bitmap_size / PAGE_SIZE;
@@ -49,10 +48,6 @@ void pm_init(void *start_addr, size_t size) {
     paging_infos[last_paging_info].size = size;
     paging_infos[last_paging_info].flags.present = true;
 
-    // map into memory
-    vmm_assign_page(start_addr, start_addr, bitmap_pages);
-
-    // set state
     memset(start_addr, BLOCK_FREE, bitmap_pages);
     for (uint32_t i = 0; i < bitmap_pages; ++i) {
         bitmap_set((uint8_t *) start_addr, i);
@@ -60,7 +55,7 @@ void pm_init(void *start_addr, size_t size) {
     last_paging_info++;
 }
 
-void *pm_get_pages(uint32_t num_pages) {
+void *pmm_get_pages(uint32_t num_pages) {
     for (int i = 0; i < last_paging_info; ++i) {
         paging_info *info = &paging_infos[i];
         if (!info->flags.present) continue;
@@ -80,9 +75,7 @@ void *pm_get_pages(uint32_t num_pages) {
                 for (k = j; k < j + num_pages; ++k) {
                     bitmap_set(info->page_bitmap, k);
                 }
-                void *paddr = page_to_addr(info->first_page, j);
+                return page_to_addr(info->first_page, j);
-                vmm_assign_page(paddr, paddr, num_pages);
-                return paddr;
             }
         }
     }
@@ -90,7 +83,7 @@ void *pm_get_pages(uint32_t num_pages) {
     return NULL;
 }
 
-void pm_free_pages(void *page, uint32_t num_pages) {
+void pmm_free_pages(void *page, uint32_t num_pages) {
     for (int i = 0; i < last_paging_info; ++i) {
         paging_info *info = &paging_infos[i];
         if (!info->flags.present) continue;
@@ -102,6 +95,5 @@ void pm_free_pages(void *page, uint32_t num_pages) {
         for (uint32_t current_page = first_page; current_page < first_page + num_pages; ++current_page) {
             bitmap_unset(info->page_bitmap, current_page);
         }
-        vmm_unassign_page(page, num_pages);
     }
 }

kernel/mem/vmm.S

@@ -1,6 +0,0 @@
-.code32
-.section .text
-.global vmm_get_current_page_directory
-vmm_get_current_page_directory:
-    movl %cr3, %eax
-    ret

kernel/mem/vmm.c

@@ -1,116 +0,0 @@
-//
-// Created by rick on 21-02-21.
-//
-
-#include <attributes.h>
-#include <stdbool.h>
-#include <sys/types.h>
-
-#include <myke/mem/vmm.h>
-#include <myke/mem/pm.h>
-#include <myke/libk/libk.h>
-
-#define TABLE_ADDR_MASK 0xFFFFF000
-#define TABLE_ADDR_IMASK ~TABLE_ADDR_MASK
-#define DIRECTORY_SIZE 1024
-
-const uint32_t x = TABLE_ADDR_MASK;
-typedef struct {
-    union {
-        struct {
-            bool present: 1;
-            bool read_write: 1;
-            bool user_mode: 1;
-            bool write_through: 1;
-            bool cache_disabled: 1;
-            bool accessed: 1;
-            char: 1;
-            bool page_size: 1;
-            bool global: 1; // ignored
-            uint8_t avail: 3;
-        } att_packed;
-        uint32_t addr;
-    };
-} att_packed page_directory_entry;
-
-typedef struct {
-    union {
-        struct {
-            bool present: 1;
-            bool read_write: 1;
-            bool user_supervisor: 1;
-            bool write_through: 1;
-            bool cache_disabled: 1;
-            bool accessed: 1;
-            bool dirty: 1;
-            char: 1;
-            bool global: 1;
-            uint8_t available: 3;
-        } att_packed;
-        uint32_t addr;
-    };
-} att_packed page_table_entry;
-
-//#define in_dir(dir, vaddr) ((page_table_entry*)(((page_directory_entry*)((dir)[(vaddr)/4096/1024].addr & TABLE_ADDR_MASK))[(vaddr)/4096%1024]))
-
-#define dir_index(vaddr) (((uint32_t)(vaddr)) / PAGE_SIZE / DIRECTORY_SIZE)
-#define page_index(vaddr) (((uint32_t)(vaddr)) / PAGE_SIZE % DIRECTORY_SIZE)
-
-page_directory_entry boot_paging_directory[DIRECTORY_SIZE] att_aligned(4096);
-page_table_entry boot_primary_table[DIRECTORY_SIZE] att_aligned(4096);
-
-extern page_directory_entry *vmm_get_current_page_directory();
-
-void vmm_assign_page_one(uint32_t paddr, uint32_t vaddr) {
-    page_directory_entry *curr = vmm_get_current_page_directory();
-
-    page_directory_entry *dentry = &curr[dir_index(vaddr)];
-    if (!dentry->present || (dentry->addr & TABLE_ADDR_MASK) == 0) {
-        // todo allocate table
-        k_panics("need to allocate new table");
-    }
-
-    page_table_entry *first_entry = (page_table_entry *) (dentry->addr & TABLE_ADDR_MASK);
-    page_table_entry *pentry = &first_entry[page_index(vaddr)];
-    if (pentry->present) {
-        // todo already present
-        k_panics("virtual address already in use");
-    }
-
-    pentry->addr = (pentry->addr & TABLE_ADDR_IMASK) | paddr;
-    pentry->present = true;
-    pentry->read_write = true;
-}
-
-void vmm_unassign_page_one(uint32_t vaddr) {
-    page_directory_entry *curr = vmm_get_current_page_directory();
-
-    page_directory_entry *dentry = &curr[dir_index(vaddr)];
-    if (!dentry->present || (dentry->addr & TABLE_ADDR_MASK) == 0) {
-        // todo allocate table
-        k_panics("need to allocate new table");
-    }
-
-    page_table_entry *first_entry = (page_table_entry *) (dentry->addr & TABLE_ADDR_MASK);
-    page_table_entry *pentry = &first_entry[page_index(vaddr)];
-    if (!pentry->present) {
-        // todo already present
-        k_panics("virtual address not in use");
-    }
-
-    pentry->present = false;
-    pentry->read_write = false;
-    pentry->addr = pentry->addr & TABLE_ADDR_IMASK;
-}
-
-void vmm_assign_page(void *paddr, void *vaddr, size_t number_of_pages) {
-    for (size_t i = 0; i < number_of_pages; ++i) {
-        vmm_assign_page_one(((uint32_t) paddr) + PAGE_SIZE * i, ((uint32_t) vaddr) + PAGE_SIZE * i);
-    }
-}
-
-void vmm_unassign_page(void *vaddr, size_t number_of_pages) {
-    for (size_t i = 0; i < number_of_pages; ++i) {
-        vmm_unassign_page_one(((uint32_t) vaddr) + PAGE_SIZE * i);
-    }
-}

kernel/tasks/task.c

@@ -9,7 +9,7 @@
 
 #include <myke/cpu/cpu.h>
 #include <myke/libk/libk.h>
-#include <myke/mem/pm.h>
+#include <myke/mem/pmm.h>
 #include <myke/tasks/task.h>
 
 #define stack_end(task) ((task)->stack + ((task)->stack_page_count * PAGE_SIZE))
@@ -204,7 +204,7 @@ task_t *task_create(task_entrypoint entrypoint, void *entry_data) {
     new_task->tid = last_tid++;
     new_task->state = TASK_STATE_RUNNABLE;
 
-    new_task->stack = pm_get_pages(16);
+    new_task->stack = pmm_get_pages(16);
     new_task->stack_page_count = 16;
     // todo check for null
 

kernel/util/slingurl.c

@@ -1,71 +0,0 @@
-//
-// Created by rick on 26-03-21.
-//
-
-#include <string.h>
-
-#include <sys/types.h>
-#include <stdio.h>
-#include <myke/mem/malloc.h>
-
-void slingurl_decompose(const char* url) {
-    uint32_t urllen = strlen(url);
-    if (urllen <= 0) {
-        printf("Url empty");
-        return;
-    }
-    char* lurl = malloc(urllen + 1);
-    strcpy(lurl, url);
-
-    // get path section
-    char* path = lurl;
-
-    // find fist selector
-    char* selector = strchr(lurl, '.');
-    int nselectors = 0;
-    // to lazy to deal with urls without selectors and extension
-    if (selector == NULL) goto free_malloc;
-    selector[0] = 0;
-    selector += 1;
-
-    // find suffix
-    char* suffix = strchr(selector, '/');
-    if (suffix != NULL) {
-        suffix[0] = 0;
-        suffix += 1;
-    }
-
-    // pick last "suffix" as extension
-    char* extension = strrchr(selector, '.');
-    if (extension == NULL) {
-        // no dots in suffix section, so only an extension
-        extension = selector;
-        selector = NULL;
-    } else {
-        extension[0] = 0;
-        extension += 1;
-    }
-
-    if (selector != NULL) {
-        nselectors = 1;
-        char* cselector = selector;
-        while ((cselector = strchr(cselector, '.')) != NULL) {
-            cselector[0] = 0;
-            cselector += 1;
-            nselectors++;
-        }
-    }
-
-    printf("path: %s\n", path);
-    printf("selectors: ");
-    char* cselector = selector;
-    for (int i = 0; i < nselectors; ++i) {
-        printf("%s,", cselector);
-        cselector += strlen(cselector) + 1;
-    }
-    printf("\n");
-    printf("extension: %s\n", extension);
-    printf("suffix: %s\n", suffix);
-    free_malloc:
-    free(lurl);
-}

linker.ld

@@ -10,34 +10,24 @@ SECTIONS
 	   loaded at by the bootloader. */
 	. = 1M;
 	_kernel_start = .;
-	.boot.data ALIGN(4K) : {
-		*(.multiboot)
-	    *(.boot.data)
-	}
-	.boot.text ALIGN(4K) : {
-	    *(.boot.text)
-	}
-	.boot.bss ALIGN(4K) : {
-	    *(.boot.bss)
-	}
 
-    . += 0xC0000000;
 	/* First put the multiboot header, as it is required to be put very early
 	   early in the image or the bootloader won't recognize the file format.
 	   Next we'll put the .text section. */
-	.text ALIGN(4K) : AT(ADDR(.text)-0xC0000000)
+	.text BLOCK(4K) : ALIGN(4K)
 	{
+		*(.multiboot)
 		*(.text)
 	}
 
 	/* Read-only data. */
-	.rodata ALIGN(4K) : AT(ADDR(.rodata)-0xC0000000)
+	.rodata BLOCK(4K) : ALIGN(4K)
 	{
 		*(.rodata)
 	}
 
 	/* Read-write data (initialized) */
-	.data ALIGN(4K) : AT(ADDR(.data)-0xC0000000)
+	.data BLOCK(4K) : ALIGN(4K)
 	{
 		*(.data)
 	    . = ALIGN(16);
@@ -51,12 +41,12 @@ SECTIONS
 	}
 
 	/* Read-write data (uninitialized) and stack */
-	.bss ALIGN(4K) : AT(ADDR(.bss)-0xC0000000)
+	.bss BLOCK(4K) : ALIGN(4K)
 	{
 		*(COMMON)
 		*(.bss)
 	}
-	_kernel_end = . - 0xC0000000;
+	_kernel_end = .;
 
 	/DISCARD/ : {
 	    *(.eh_frame);