diff options
| -rw-r--r-- | sys/firmware/acpi/acpi_init.c | 15 | ||||
| -rw-r--r-- | sys/firmware/acpi/acpi_subr.c | 46 | ||||
| -rw-r--r-- | sys/include/firmware/acpi/acpi.h | 3 |
3 files changed, 52 insertions, 12 deletions
diff --git a/sys/firmware/acpi/acpi_init.c b/sys/firmware/acpi/acpi_init.c index fd23ada..1c8bd91 100644 --- a/sys/firmware/acpi/acpi_init.c +++ b/sys/firmware/acpi/acpi_init.c @@ -30,7 +30,6 @@ /* $Id$ */ #include <firmware/acpi/acpi.h> -#include <firmware/acpi/tables.h> #include <sys/limine.h> #include <sys/syslog.h> #include <sys/cdefs.h> @@ -70,18 +69,10 @@ acpi_print_oemid(const char *type, char oemid[OEMID_SIZE]) kprintf("\n"); } -static bool -acpi_is_checksum_valid(struct acpi_header *hdr) +struct acpi_root_sdt * +acpi_get_root_sdt(void) { - uint8_t sum; - - sum = 0; - for (int i = 0; i < hdr->length; ++i) { - sum += ((char *)hdr)[i]; - } - - /* Sum of table (from header to end) must be zero!! */ - return sum == 0; + return root_sdt; } void diff --git a/sys/firmware/acpi/acpi_subr.c b/sys/firmware/acpi/acpi_subr.c new file mode 100644 index 0000000..31fec91 --- /dev/null +++ b/sys/firmware/acpi/acpi_subr.c @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2023 Ian Marco Moffett and the VegaOS 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 VegaOS 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. + */ + +/* $Id */ + +#include <firmware/acpi/acpi.h> + +bool +acpi_is_checksum_valid(struct acpi_header *hdr) +{ + uint8_t sum; + + sum = 0; + for (int i = 0; i < hdr->length; ++i) { + sum += ((char *)hdr)[i]; + } + + /* Sum of table (from header to end) must be zero!! */ + return sum == 0; +} diff --git a/sys/include/firmware/acpi/acpi.h b/sys/include/firmware/acpi/acpi.h index 65e39a4..0946f6f 100644 --- a/sys/include/firmware/acpi/acpi.h +++ b/sys/include/firmware/acpi/acpi.h @@ -32,8 +32,11 @@ #ifndef _ACPI_ACPI_H_ #define _ACPI_ACPI_H_ +#include <firmware/acpi/tables.h> #include <sys/types.h> void acpi_init(void); +bool acpi_is_checksum_valid(struct acpi_header *hdr); +struct acpi_root_sdt *acpi_get_root_sdt(void); #endif /* !_ACPI_ACPI_H_ */ |