New shell command: acpi_call, new test: ACPI Debug object.

Also, clean up extern/public variables.

shell.c

@@ -1118,6 +1118,25 @@ void shell_acpi_get_usage(int argc, char **argv) {
     fprintf(fout, "ACPI usage: %" PRIu32 "\n", kos_acpi_usage);
 }
 
+void shell_acpi_call(int argc, char **argv) {
+    const char *usage = \
+        "usage: acpi_call <method> [args...]\n"
+        "  method         name of acpi method to call, e.g. \\_SB_PCI0_PRT";
+    if (argc > 2) {
+        puts("arguments are not supported / not implemented!");
+        puts(usage);
+        return;
+    }
+    if (argc < 2) {
+        puts(usage);
+        return;
+    }
+    const char *method = argv[1];
+    fprintf(fout, "calling acpi method: '%s'\n", method);
+    kos_acpi_call_name(acpi_ctx, method);
+    fprintf(fout, "acpi method returned\n");
+}
+
 void shell_pci_set_path(int argc, char **argv) {
     const char *usage = \
         "usage: pci_set_path <path>\n"
@@ -1892,6 +1911,7 @@ func_table_t funcs[] = {
     { "acpi_get_usage",          shell_acpi_get_usage },
     { "acpi_enable",             shell_acpi_enable },
     { "acpi_preload_table",      shell_acpi_preload_table },
+    { "acpi_call",               shell_acpi_call },
     { "stack_init",              shell_stack_init },
     { "net_add_device",          shell_net_add_device },
     { "net_get_dev_count",       shell_net_get_dev_count },

test/031_#acpi_#unit_scope.ref.log

@@ -13,7 +13,7 @@ table length 0x00000028
 Table signature: 'SSDT'
 Table length (with header): 0x00000028
 Revision: 0x01
-Checksum: 0xD3
+Checksum: 0xE9
 OEM ID: 'UMKA '
 OEM Table ID: 'UMKADSDT'
 OEM Table Revision: 0x00000001
@@ -51,7 +51,7 @@ table length 0x0000068C
 Table signature: 'DSDT'
 Table length (with header): 0x0000068C
 Revision: 0x02
-Checksum: 0x9E
+Checksum: 0xB4
 OEM ID: 'UMKA '
 OEM Table ID: 'UMKADSDT'
 OEM Table Revision: 0x00000000
@@ -3684,7 +3684,7 @@ table length 0x0000002C
 Table signature: 'DSDT'
 Table length (with header): 0x0000002C
 Revision: 0x01
-Checksum: 0xC7
+Checksum: 0xDD
 OEM ID: 'UMKA '
 OEM Table ID: 'UMKADSDT'
 OEM Table Revision: 0x00000001

test/033_#acpi_debug_object.ref.log

@@ -0,0 +1,407 @@
+/> acpi_set_usage 1
+
+/> acpi_preload_table machines/unit/acpi/debug_object.aml
+table #0
+
+/> acpi_enable
+acpi.aml.process_table begin
+table length 0x00000084
+Table signature: 'DSDT'
+Table length (with header): 0x00000084
+Revision: 0x01
+Checksum: 0x8B
+OEM ID: 'UMKA '
+OEM Table ID: 'UMKADSDT'
+OEM Table Revision: 0x00000001
+
+table/position: [0x00000024]
+aml._.term_obj begin
+aml._.object begin
+aml._.namespace_modifier_obj begin
+aml._.name begin
+aml._.name_string begin
+aml._.name_string begin again
+offset: 0x00000025
+aml._.name_path begin
+aml._.name_path end
+name_string: BUFF
+aml._.name_string end
+aml._.get_node_by_name begin
+name: ''
+aml._.get_node_by_name end
+aml._.data_ref_object begin
+aml._.data_object begin
+aml._.buffer begin
+pkg_length: 0x00000007
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string end
+aml._.data_object begin
+aml._.byte_const begin
+aml._.byte_const end
+aml._.data_object end
+aml._.term_arg end
+aml._.cast begin
+types 2 to 2
+aml._.cast.integer_to_integer begin
+aml._.cast.integer_to_integer end
+aml._.cast end
+aml._.buffer end
+aml._.data_object end
+aml._.data_ref_object end
+aml._.name end
+aml._.namespace_modifier_obj end
+aml._.object end
+aml._.term_obj end
+table/position: [0x00000031]
+aml._.term_obj begin
+aml._.object begin
+aml._.namespace_modifier_obj begin
+aml._.namespace_modifier_obj end
+aml._.named_obj begin
+aml._.method begin
+pkg_length: 0x00000052
+aml._.name_string begin
+aml._.name_string begin again
+offset: 0x00000034
+aml._.name_path begin
+aml._.name_path end
+name_string: TEST
+aml._.name_string end
+aml._.attach_node begin
+aml._.get_node_by_name begin
+name: ''
+aml._.get_node_by_name end
+aml._.attach_node end
+aml._.method end
+aml._.named_obj end
+aml._.object end
+aml._.term_obj end
+==========ACPI_TREE==========
+\TEST Method         length:0x0000004B Args:0 serialize:0 sync_level:0
+\BUFF Buffer         Len:0x00000004
+\_TZ_ Scope         
+\_SI_ Scope         
+\_SB_ Scope         
+\_PR_ Scope         
+\_GPE Scope         
+-----------------------------
+acpi.aml.process_table end
+==========ACPI_TREE==========
+\TEST Method         length:0x0000004B Args:0 serialize:0 sync_level:0
+\BUFF Buffer         Len:0x00000004
+\_TZ_ Scope         
+\_SI_ Scope         
+\_SB_ Scope         
+\_PR_ Scope         
+\_GPE Scope         
+-----------------------------
+
+/> acpi_call \TEST
+acpi.call_name begin
+aml._.get_node_by_name begin
+name: '\TEST'
+aml._.get_node_by_name end
+acpi.call_node begin
+# func name TEST
+# bytes 0x65680D70
+# bytes 0x006F6C6C
+# bytes 0x0A70315B
+table/position: [0x00000039]
+aml._.term_obj begin
+aml._.object begin
+aml._.namespace_modifier_obj begin
+aml._.namespace_modifier_obj end
+aml._.named_obj begin
+aml._.named_obj end
+aml._.object end
+aml._.store begin
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string end
+aml._.data_object begin
+aml._.string begin
+aml._.string end
+aml._.data_object end
+aml._.term_arg end
+aml._.super_name begin
+aml._.simple_name begin
+aml._.name_string begin
+aml._.name_string end
+aml._.simple_name end
+aml._.debug_obj begin
+aml._.debug_obj end
+aml._.super_name end
+aml._.store_table begin
+types 3 to 19
+aml._.store_table.string_to_debug_object begin
+AML_DBG: hello
+aml._.store_table.string_to_debug_object end
+aml._.store_table end
+aml._.store end
+aml._.term_obj end
+table/position: [0x00000043]
+aml._.term_obj begin
+aml._.object begin
+aml._.namespace_modifier_obj begin
+aml._.namespace_modifier_obj end
+aml._.named_obj begin
+aml._.named_obj end
+aml._.object end
+aml._.store begin
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string end
+aml._.data_object begin
+aml._.byte_const begin
+aml._.byte_const end
+aml._.data_object end
+aml._.term_arg end
+aml._.super_name begin
+aml._.simple_name begin
+aml._.name_string begin
+aml._.name_string end
+aml._.simple_name end
+aml._.debug_obj begin
+aml._.debug_obj end
+aml._.super_name end
+aml._.store_table begin
+types 2 to 19
+aml._.store_table.integer_to_debug_object begin
+AML_DBG: 0x0000000000000042
+aml._.store_table.integer_to_debug_object end
+aml._.store_table end
+aml._.store end
+aml._.term_obj end
+table/position: [0x00000048]
+aml._.term_obj begin
+aml._.object begin
+aml._.namespace_modifier_obj begin
+aml._.namespace_modifier_obj end
+aml._.named_obj begin
+aml._.named_obj end
+aml._.object end
+aml._.store begin
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string end
+aml._.data_object begin
+aml._.string begin
+aml._.string end
+aml._.data_object end
+aml._.term_arg end
+aml._.super_name begin
+aml._.simple_name begin
+aml._.name_string begin
+aml._.name_string end
+aml._.simple_name end
+aml._.debug_obj begin
+aml._.debug_obj end
+aml._.super_name end
+aml._.store_table begin
+types 3 to 19
+aml._.store_table.string_to_debug_object begin
+AML_DBG: hello
+aml._.store_table.string_to_debug_object end
+aml._.store_table end
+aml._.store end
+aml._.term_obj end
+table/position: [0x00000052]
+aml._.term_obj begin
+aml._.object begin
+aml._.namespace_modifier_obj begin
+aml._.namespace_modifier_obj end
+aml._.named_obj begin
+aml._.named_obj end
+aml._.object end
+aml._.store begin
+aml._.term_arg begin
+aml._.concat begin
+aml._.term_arg begin
+aml._.concat begin
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string end
+aml._.data_object begin
+aml._.string begin
+aml._.string end
+aml._.data_object end
+aml._.term_arg end
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string end
+aml._.data_object begin
+aml._.byte_const begin
+aml._.byte_const end
+aml._.data_object end
+aml._.term_arg end
+concat 00000003 and 00000002
+aml._.cast begin
+types 2 to 3
+aml._.cast.integer_to_string begin
+aml._.cast.integer_to_string end
+aml._.cast end
+aml._.target begin
+aml._.super_name begin
+aml._.simple_name begin
+aml._.name_string begin
+aml._.name_string end
+aml._.simple_name end
+aml._.super_name end
+aml._.null_name begin
+aml._.null_name end
+aml._.target end
+aml._.concat end
+aml._.term_arg end
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string end
+aml._.data_object begin
+aml._.string begin
+aml._.string end
+aml._.data_object end
+aml._.term_arg end
+concat 00000003 and 00000003
+aml._.cast begin
+types 3 to 3
+aml._.cast.string_to_string begin
+aml._.cast.string_to_string end
+aml._.cast end
+aml._.target begin
+aml._.super_name begin
+aml._.simple_name begin
+aml._.name_string begin
+aml._.name_string end
+aml._.simple_name end
+aml._.super_name end
+aml._.null_name begin
+aml._.null_name end
+aml._.target end
+aml._.concat end
+aml._.term_arg end
+aml._.super_name begin
+aml._.simple_name begin
+aml._.name_string begin
+aml._.name_string end
+aml._.simple_name end
+aml._.debug_obj begin
+aml._.debug_obj end
+aml._.super_name end
+aml._.store_table begin
+types 3 to 19
+aml._.store_table.string_to_debug_object begin
+AML_DBG: hi 0x0000000000000042 there
+aml._.store_table.string_to_debug_object end
+aml._.store_table end
+aml._.store end
+aml._.term_obj end
+table/position: [0x00000068]
+aml._.term_obj begin
+aml._.object begin
+aml._.namespace_modifier_obj begin
+aml._.namespace_modifier_obj end
+aml._.named_obj begin
+aml._.named_obj end
+aml._.object end
+aml._.store begin
+aml._.term_arg begin
+aml._.concat begin
+aml._.term_arg begin
+aml._.concat begin
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string end
+aml._.data_object begin
+aml._.string begin
+aml._.string end
+aml._.data_object end
+aml._.term_arg end
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string begin again
+offset: 0x00000073
+aml._.name_path begin
+aml._.name_path end
+name_string: BUFF
+aml._.name_string end
+aml._.get_node_by_name begin
+name: 'BUFF'
+aml._.get_node_by_name end
+aml._.data_object begin
+aml._.data_object end
+aml._.name_string begin
+aml._.name_string begin again
+offset: 0x00000073
+aml._.name_path begin
+aml._.name_path end
+name_string: BUFF
+aml._.name_string end
+aml._.get_node_by_name begin
+name: 'BUFF'
+aml._.get_node_by_name end
+aml._.term_arg end
+concat 00000003 and 00000004
+aml._.cast begin
+types 4 to 3
+aml._.cast.buffer_to_string begin
+### buf len: 4
+aml._.cast.buffer_to_string end
+aml._.cast end
+aml._.target begin
+aml._.super_name begin
+aml._.simple_name begin
+aml._.name_string begin
+aml._.name_string end
+aml._.simple_name end
+aml._.super_name end
+aml._.null_name begin
+aml._.null_name end
+aml._.target end
+aml._.concat end
+aml._.term_arg end
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string end
+aml._.data_object begin
+aml._.string begin
+aml._.string end
+aml._.data_object end
+aml._.term_arg end
+concat 00000003 and 00000003
+aml._.cast begin
+types 3 to 3
+aml._.cast.string_to_string begin
+aml._.cast.string_to_string end
+aml._.cast end
+aml._.target begin
+aml._.super_name begin
+aml._.simple_name begin
+aml._.name_string begin
+aml._.name_string end
+aml._.simple_name end
+aml._.super_name end
+aml._.null_name begin
+aml._.null_name end
+aml._.target end
+aml._.concat end
+aml._.term_arg end
+aml._.super_name begin
+aml._.simple_name begin
+aml._.name_string begin
+aml._.name_string end
+aml._.simple_name end
+aml._.debug_obj begin
+aml._.debug_obj end
+aml._.super_name end
+aml._.store_table begin
+types 3 to 19
+aml._.store_table.string_to_debug_object begin
+AML_DBG: hello 66 72 6F 6D buffer
+aml._.store_table.string_to_debug_object end
+aml._.store_table end
+aml._.store end
+aml._.term_obj end
+acpi.call_node end
+acpi.call_name end
+calling acpi method: '\TEST'
+acpi method returned

test/033_#acpi_debug_object.t

@@ -0,0 +1,7 @@
+acpi_set_usage 1
+
+acpi_preload_table machines/unit/acpi/debug_object.aml
+
+acpi_enable
+
+acpi_call \TEST

test/034_#acpi_#unit_fieldio.ref.log

@@ -0,0 +1,198 @@
+/> acpi_set_usage 1
+
+/> acpi_preload_table machines/unit/acpi/field.aml
+table #0
+
+/> acpi_enable
+acpi.aml.process_table begin
+table length 0x00000053
+Table signature: 'DSDT'
+Table length (with header): 0x00000053
+Revision: 0x01
+Checksum: 0x48
+OEM ID: 'UMKA '
+OEM Table ID: 'UMKADSDT'
+OEM Table Revision: 0x00000001
+
+table/position: [0x00000024]
+aml._.term_obj begin
+aml._.object begin
+aml._.namespace_modifier_obj begin
+aml._.namespace_modifier_obj end
+aml._.named_obj begin
+aml._.op_region begin
+aml._.name_string begin
+aml._.name_string begin again
+offset: 0x00000026
+aml._.name_path begin
+aml._.name_path end
+name_string: M000
+aml._.name_string end
+aml._.attach_node begin
+aml._.get_node_by_name begin
+name: ''
+aml._.get_node_by_name end
+aml._.attach_node end
+RegionSpace: 0x00
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string end
+aml._.data_object begin
+aml._.word_const begin
+aml._.word_const end
+aml._.data_object end
+aml._.term_arg end
+aml._.cast begin
+types 2 to 2
+aml._.cast.integer_to_integer begin
+aml._.cast.integer_to_integer end
+aml._.cast end
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string end
+aml._.data_object begin
+aml._.byte_const begin
+aml._.byte_const end
+aml._.data_object end
+aml._.term_arg end
+aml._.cast begin
+types 2 to 2
+aml._.cast.integer_to_integer begin
+aml._.cast.integer_to_integer end
+aml._.cast end
+RegionLength: 0x00000011
+aml._.op_region end
+aml._.named_obj end
+aml._.object end
+aml._.term_obj end
+table/position: [0x00000030]
+aml._.term_obj begin
+aml._.object begin
+aml._.namespace_modifier_obj begin
+aml._.namespace_modifier_obj end
+aml._.named_obj begin
+aml._.region_field begin
+pkg_length: 0x00000010
+aml._.name_string begin
+aml._.name_string begin again
+offset: 0x00000033
+aml._.name_path begin
+aml._.name_path end
+name_string: M000
+aml._.name_string end
+aml._.get_node_by_name begin
+name: 'M000'
+aml._.get_node_by_name end
+aml._.field_list begin
+aml._.field_element begin
+aml._.named_field begin
+name_seg: 'FM00'
+pkg_length: 0x00000001
+aml._.named_field end
+aml._.field_element end
+aml._.field_element begin
+aml._.named_field begin
+name_seg: 'FM01'
+pkg_length: 0x00000002
+aml._.named_field end
+aml._.field_element end
+aml._.field_list end
+aml._.region_field end
+aml._.named_obj end
+aml._.object end
+aml._.term_obj end
+table/position: [0x00000042]
+aml._.term_obj begin
+aml._.object begin
+aml._.namespace_modifier_obj begin
+aml._.namespace_modifier_obj end
+aml._.named_obj begin
+aml._.method begin
+pkg_length: 0x00000010
+aml._.name_string begin
+aml._.name_string begin again
+offset: 0x00000044
+aml._.name_path begin
+aml._.name_path end
+name_string: TEST
+aml._.name_string end
+aml._.attach_node begin
+aml._.get_node_by_name begin
+name: ''
+aml._.get_node_by_name end
+aml._.attach_node end
+aml._.method end
+aml._.named_obj end
+aml._.object end
+aml._.term_obj end
+==========ACPI_TREE==========
+\TEST Method         length:0x0000000A Args:0 serialize:0 sync_level:0
+\FM01 RegionField    Rgn [\M000] Off:00000001 Len:00000002 Acc:1
+\FM00 RegionField    Rgn [\M000] Off:00000000 Len:00000001 Acc:1
+\M000 OpRegion       [SystemMemory] Len:00000011
+\_TZ_ Scope         
+\_SI_ Scope         
+\_SB_ Scope         
+\_PR_ Scope         
+\_GPE Scope         
+-----------------------------
+acpi.aml.process_table end
+==========ACPI_TREE==========
+\TEST Method         length:0x0000000A Args:0 serialize:0 sync_level:0
+\FM01 RegionField    Rgn [\M000] Off:00000001 Len:00000002 Acc:1
+\FM00 RegionField    Rgn [\M000] Off:00000000 Len:00000001 Acc:1
+\M000 OpRegion       [SystemMemory] Len:00000011
+\_TZ_ Scope         
+\_SI_ Scope         
+\_SB_ Scope         
+\_PR_ Scope         
+\_GPE Scope         
+-----------------------------
+
+/> acpi_call \TEST
+acpi.call_name begin
+aml._.get_node_by_name begin
+name: '\TEST'
+aml._.get_node_by_name end
+acpi.call_node begin
+# func name TEST
+# bytes 0x65680D70
+# bytes 0x006F6C6C
+# bytes 0x0000315B
+table/position: [0x00000049]
+aml._.term_obj begin
+aml._.object begin
+aml._.namespace_modifier_obj begin
+aml._.namespace_modifier_obj end
+aml._.named_obj begin
+aml._.named_obj end
+aml._.object end
+aml._.store begin
+aml._.term_arg begin
+aml._.name_string begin
+aml._.name_string end
+aml._.data_object begin
+aml._.string begin
+aml._.string end
+aml._.data_object end
+aml._.term_arg end
+aml._.super_name begin
+aml._.simple_name begin
+aml._.name_string begin
+aml._.name_string end
+aml._.simple_name end
+aml._.debug_obj begin
+aml._.debug_obj end
+aml._.super_name end
+aml._.store_table begin
+types 3 to 19
+aml._.store_table.string_to_debug_object begin
+AML_DBG: hello
+aml._.store_table.string_to_debug_object end
+aml._.store_table end
+aml._.store end
+aml._.term_obj end
+acpi.call_node end
+acpi.call_name end
+calling acpi method: '\TEST'
+acpi method returned

test/034_#acpi_#unit_fieldio.t

@@ -0,0 +1,7 @@
+acpi_set_usage 1
+
+acpi_preload_table machines/unit/acpi/field.aml
+
+acpi_enable
+
+acpi_call \TEST

test/machines/unit/acpi/debug_object.asl

@@ -0,0 +1,13 @@
+DefinitionBlock ("", "DSDT", 1, "UMKA ", "UMKADSDT", 0x00000001)
+{
+    Name (BUFF, Buffer (4) {0x66, 0x72, 0x6F, 0x6D})
+
+    Method (TEST, 0, NotSerialized)
+    {
+        Debug = "hello"
+        Debug = 0x42
+        printf("hello")
+        printf("hi %x there", 0x42)
+        printf("hello %o buffer", BUFF)
+    }
+}

test/machines/unit/acpi/field.asl

@@ -1,4 +1,15 @@
 DefinitionBlock ("", "DSDT", 1, "UMKA ", "UMKADSDT", 0x00000001)
 {
+    OperationRegion (M000, SystemMemory, 0xE001, 17)
+    Field (M000, ByteAcc, NoLock, Preserve)
+    {
+        FM00,   1, 
+        FM01,   2
+    }
 
+
+    Method (TEST, 0, NotSerialized)
+    {
+        printf("hello")
+    }
 }

umka.asm

@@ -35,18 +35,19 @@ public CURRENT_TASK as 'kos_current_task'
 public current_slot as 'kos_current_slot'
 public TASK_COUNT as 'kos_task_count'
 public TASK_BASE as 'kos_task_base'
-;public task_base_addr as 'kos_task_base'
+public TASK_DATA as 'kos_task_data'
-public task_data_addr as 'kos_task_data'
+public SLOT_BASE as 'kos_slot_base'
-public slot_base_addr as 'kos_slot_base'
 
-public win_stack_addr as 'kos_win_stack'
+public WIN_STACK as 'kos_win_stack'
-public win_pos_addr as 'kos_win_pos'
+public WIN_POS as 'kos_win_pos'
-public lfb_base_addr as 'kos_lfb_base'
+public lfb_base as 'kos_lfb_base'
 
 public enable_acpi
+public acpi.call_name
 public acpi_ssdt_cnt as 'kos_acpi_ssdt_cnt'
-public kos_acpi_ssdt_base
+public acpi_ssdt_base as 'kos_acpi_ssdt_base'
-public kos_acpi_ssdt_size
+public acpi_ssdt_size as 'kos_acpi_ssdt_size'
+public acpi_ctx
 public acpi_usage as 'kos_acpi_usage'
 
 public stack_init
@@ -572,19 +573,8 @@ umka_tool dd ?
 timer_ticks dd 0
 fpu_owner dd ?
 
-task_base_addr dd TASK_BASE
-task_data_addr dd TASK_DATA
-slot_base_addr dd SLOT_BASE
-
 monitor_thread dd ?
 
-win_stack_addr dd WIN_STACK
-win_pos_addr dd WIN_POS
-lfb_base_addr dd lfb_base
-
-kos_acpi_ssdt_base dd acpi_ssdt_base
-kos_acpi_ssdt_size dd acpi_ssdt_size
-
 uglobal
 context_counter dd ?
 LAPIC_BASE dd ?

umka.h

@@ -343,6 +343,18 @@ static inline void kos_enable_acpi() {
         : "memory", "cc");
 }
 
+static inline void kos_acpi_call_name(void *ctx, const char *name) {
+    __asm__ __inline__ __volatile__ (
+        "pushad;"
+        "push   %[name];"
+        "push   %[ctx];"
+        "call   acpi.call_name;"
+        "popad"
+        :
+        : [ctx] "r"(ctx), [name] "r"(name)
+        : "memory", "cc");
+}
+
 typedef struct {
     uint32_t value;
     uint32_t errorcode;
@@ -478,15 +490,16 @@ extern uint32_t kos_current_task;
 extern appdata_t *kos_current_slot;
 extern size_t kos_task_count;
 extern taskdata_t *kos_task_base;
-extern void *kos_task_data;
+extern taskdata_t kos_task_data[];
-extern appdata_t *kos_slot_base;
+extern appdata_t kos_slot_base[];
 extern void (*monitor_thread)(void);
-extern uint32_t *kos_lfb_base;
+extern uint32_t kos_lfb_base[];
-extern uint16_t *kos_win_stack;
+extern uint16_t kos_win_stack[];
-extern uint16_t *kos_win_pos;
+extern uint16_t kos_win_pos[];
 extern uint32_t kos_acpi_ssdt_cnt;
-extern uint8_t **kos_acpi_ssdt_base;
+extern uint8_t *kos_acpi_ssdt_base[];
-extern size_t *kos_acpi_ssdt_size;
+extern size_t kos_acpi_ssdt_size[];
+extern void *acpi_ctx;
 extern uint32_t kos_acpi_usage;
 extern disk_t disk_list;