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[src/trunk]: src/sys/arch/arm/acpi Make Arm MD ACPI code big endian friendly.
details: https://anonhg.NetBSD.org/src/rev/4a0d24df133b
branches: trunk
changeset: 954946:4a0d24df133b
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Sun Sep 13 21:41:17 2020 +0000
description:
Make Arm MD ACPI code big endian friendly.
diffstat:
sys/arch/arm/acpi/acpi_iort.c | 40 +++++++++++++++++++-------------------
sys/arch/arm/acpi/acpi_pci_n1sdp.c | 6 ++--
sys/arch/arm/acpi/acpi_platform.c | 24 +++++++++++-----------
sys/arch/arm/acpi/acpi_table.c | 16 ++++++++------
4 files changed, 44 insertions(+), 42 deletions(-)
diffs (293 lines):
diff -r 73a00419e037 -r 4a0d24df133b sys/arch/arm/acpi/acpi_iort.c
--- a/sys/arch/arm/acpi/acpi_iort.c Sun Sep 13 21:21:04 2020 +0000
+++ b/sys/arch/arm/acpi/acpi_iort.c Sun Sep 13 21:41:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_iort.c,v 1.3 2020/02/13 00:02:21 jmcneill Exp $ */
+/* $NetBSD: acpi_iort.c,v 1.4 2020/09/13 21:41:17 jmcneill Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_iort.c,v 1.3 2020/02/13 00:02:21 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_iort.c,v 1.4 2020/09/13 21:41:17 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -47,15 +47,15 @@
ACPI_IORT_ID_MAPPING *map;
uint32_t offset, n;
- offset = node->MappingOffset;
- for (n = 0; n < node->MappingCount; n++) {
+ offset = le32toh(node->MappingOffset);
+ for (n = 0; n < le32toh(node->MappingCount); n++) {
map = ACPI_ADD_PTR(ACPI_IORT_ID_MAPPING, node, offset);
- if (map->Flags & ACPI_IORT_ID_SINGLE_MAPPING) {
- *id = map->OutputBase;
+ if (le32toh(map->Flags) & ACPI_IORT_ID_SINGLE_MAPPING) {
+ *id = le32toh(map->OutputBase);
return map;
}
- if (*id >= map->InputBase && *id <= map->InputBase + map->IdCount) {
- *id = *id - map->InputBase + map->OutputBase;
+ if (*id >= le32toh(map->InputBase) && *id <= le32toh(map->InputBase) + le32toh(map->IdCount)) {
+ *id = *id - le32toh(map->InputBase) + le32toh(map->OutputBase);
return map;
}
offset += sizeof(ACPI_IORT_ID_MAPPING);
@@ -73,7 +73,7 @@
if (map == NULL)
return NULL;
- return ACPI_ADD_PTR(ACPI_IORT_NODE, iort, map->OutputReference);
+ return ACPI_ADD_PTR(ACPI_IORT_NODE, iort, le32toh(map->OutputReference));
}
uint32_t
@@ -89,12 +89,12 @@
if (ACPI_FAILURE(rv))
return devid;
- offset = iort->NodeOffset;
- for (n = 0; n < iort->NodeCount; n++) {
+ offset = le32toh(iort->NodeOffset);
+ for (n = 0; n < le32toh(iort->NodeCount); n++) {
node = ACPI_ADD_PTR(ACPI_IORT_NODE, iort, offset);
if (node->Type == ACPI_IORT_NODE_PCI_ROOT_COMPLEX) {
root = (ACPI_IORT_ROOT_COMPLEX *)node->NodeData;
- if (root->PciSegmentNumber == seg) {
+ if (le32toh(root->PciSegmentNumber) == seg) {
const uint32_t odevid = devid;
do {
node = acpi_iort_find_ref(iort, node, &devid);
@@ -103,7 +103,7 @@
return devid;
}
}
- offset += node->Length;
+ offset += le16toh(node->Length);
}
return devid;
@@ -123,28 +123,28 @@
if (ACPI_FAILURE(rv))
return 0;
- offset = iort->NodeOffset;
- for (n = 0; n < iort->NodeCount; n++) {
+ offset = le32toh(iort->NodeOffset);
+ for (n = 0; n < le32toh(iort->NodeCount); n++) {
node = ACPI_ADD_PTR(ACPI_IORT_NODE, iort, offset);
if (node->Type == ACPI_IORT_NODE_PCI_ROOT_COMPLEX) {
root = (ACPI_IORT_ROOT_COMPLEX *)node->NodeData;
- if (root->PciSegmentNumber == seg) {
+ if (le32toh(root->PciSegmentNumber) == seg) {
const uint32_t odevid = devid;
do {
node = acpi_iort_find_ref(iort, node, &devid);
if (node != NULL && node->Type == ACPI_IORT_NODE_ITS_GROUP) {
its_group = (ACPI_IORT_ITS_GROUP *)node->NodeData;
- if (its_group->ItsCount == 0)
+ if (le32toh(its_group->ItsCount) == 0)
return 0;
aprint_debug("ACPI: IORT mapped devid %#x -> ITS %#x\n",
- odevid, its_group->Identifiers[0]);
- return its_group->Identifiers[0];
+ odevid, le32toh(its_group->Identifiers[0]));
+ return le32toh(its_group->Identifiers[0]);
}
} while (node != NULL);
return 0;
}
}
- offset += node->Length;
+ offset += le16toh(node->Length);
}
return 0;
diff -r 73a00419e037 -r 4a0d24df133b sys/arch/arm/acpi/acpi_pci_n1sdp.c
--- a/sys/arch/arm/acpi/acpi_pci_n1sdp.c Sun Sep 13 21:21:04 2020 +0000
+++ b/sys/arch/arm/acpi/acpi_pci_n1sdp.c Sun Sep 13 21:41:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_pci_n1sdp.c,v 1.4 2020/06/17 06:45:09 thorpej Exp $ */
+/* $NetBSD: acpi_pci_n1sdp.c,v 1.5 2020/09/13 21:41:17 jmcneill Exp $ */
/*-
* Copyright (c) 2020 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_pci_n1sdp.c,v 1.4 2020/06/17 06:45:09 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_pci_n1sdp.c,v 1.5 2020/09/13 21:41:17 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -173,7 +173,7 @@
aprint_debug_dev(ap->ap_dev, "N1SDP: RC @ 0x%08x, %d devices\n",
n1sdp_data[ap->ap_seg]->rc_base_addr, n1sdp_data[ap->ap_seg]->nr_bdfs);
for (n = 0; n < n1sdp_data[ap->ap_seg]->nr_bdfs; n++) {
- const uint32_t bdf = n1sdp_data[ap->ap_seg]->valid_bdfs[n];
+ const uint32_t bdf = le32toh(n1sdp_data[ap->ap_seg]->valid_bdfs[n]);
const int b = (bdf >> N1SDP_BUS_SHIFT) & 0xff;
const int d = (bdf >> N1SDP_DEV_SHIFT) & 0x1f;
const int f = (bdf >> N1SDP_FUNC_SHIFT) & 0x7;
diff -r 73a00419e037 -r 4a0d24df133b sys/arch/arm/acpi/acpi_platform.c
--- a/sys/arch/arm/acpi/acpi_platform.c Sun Sep 13 21:21:04 2020 +0000
+++ b/sys/arch/arm/acpi/acpi_platform.c Sun Sep 13 21:41:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_platform.c,v 1.18 2019/09/22 18:31:59 jmcneill Exp $ */
+/* $NetBSD: acpi_platform.c,v 1.19 2020/09/13 21:41:17 jmcneill Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -37,7 +37,7 @@
#include "opt_multiprocessor.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_platform.c,v 1.18 2019/09/22 18:31:59 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_platform.c,v 1.19 2020/09/13 21:41:17 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -163,7 +163,7 @@
}
if (spcr->SerialPort.SpaceId == ACPI_ADR_SPACE_SYSTEM_MEMORY &&
- spcr->SerialPort.Address != 0) {
+ le64toh(spcr->SerialPort.Address) != 0) {
switch (spcr->InterfaceType) {
#if NPLCOM > 0
case ACPI_DBG2_ARM_PL011:
@@ -171,7 +171,7 @@
case ACPI_DBG2_ARM_SBSA_GENERIC:
plcom_console.pi_type = PLCOM_TYPE_PL011;
plcom_console.pi_iot = &arm_generic_bs_tag;
- plcom_console.pi_iobase = spcr->SerialPort.Address;
+ plcom_console.pi_iobase = le64toh(spcr->SerialPort.Address);
plcom_console.pi_size = PL011COM_UART_SIZE;
plcom_console.pi_flags = PLC_FLAG_32BIT_ACCESS;
@@ -182,15 +182,15 @@
case ACPI_DBG2_16550_COMPATIBLE:
case ACPI_DBG2_16550_SUBSET:
if (ACPI_ACCESS_BIT_WIDTH(spcr->SerialPort.AccessWidth) == 8) {
- comcnattach(&arm_generic_bs_tag, spcr->SerialPort.Address, baud_rate, -1,
+ comcnattach(&arm_generic_bs_tag, le64toh(spcr->SerialPort.Address), baud_rate, -1,
COM_TYPE_NORMAL, TTYDEF_CFLAG);
} else {
- comcnattach(&arm_generic_a4x_bs_tag, spcr->SerialPort.Address, baud_rate, -1,
+ comcnattach(&arm_generic_a4x_bs_tag, le64toh(spcr->SerialPort.Address), baud_rate, -1,
COM_TYPE_NORMAL, TTYDEF_CFLAG);
}
break;
case ACPI_DBG2_BCM2835:
- comcnattach(&arm_generic_a4x_bs_tag, spcr->SerialPort.Address + 0x40, baud_rate, -1,
+ comcnattach(&arm_generic_a4x_bs_tag, le64toh(spcr->SerialPort.Address) + 0x40, baud_rate, -1,
COM_TYPE_BCMAUXUART, TTYDEF_CFLAG);
cn_set_magic("+++++");
break;
@@ -207,8 +207,8 @@
* Initialize PSCI 0.2+ if implemented
*/
if (ACPI_SUCCESS(acpi_table_find(ACPI_SIG_FADT, (void **)&fadt))) {
- if (fadt->ArmBootFlags & ACPI_FADT_PSCI_COMPLIANT) {
- if (fadt->ArmBootFlags & ACPI_FADT_PSCI_USE_HVC) {
+ if (le16toh(fadt->ArmBootFlags) & ACPI_FADT_PSCI_COMPLIANT) {
+ if (le16toh(fadt->ArmBootFlags) & ACPI_FADT_PSCI_USE_HVC) {
psci_init(psci_call_hvc);
} else {
psci_init(psci_call_smc);
@@ -222,7 +222,7 @@
* Count CPUs
*/
if (ACPI_SUCCESS(acpi_table_find(ACPI_SIG_MADT, (void **)&madt))) {
- char *end = (char *)madt + madt->Header.Length;
+ char *end = (char *)madt + le32toh(madt->Header.Length);
char *where = (char *)madt + sizeof(ACPI_TABLE_MADT);
while (where < end) {
ACPI_SUBTABLE_HEADER *subtable = (ACPI_SUBTABLE_HEADER *)where;
@@ -269,7 +269,7 @@
if (spcr->SerialPort.SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY)
goto spcr_unmap;
- if (spcr->SerialPort.Address == 0)
+ if (le64toh(spcr->SerialPort.Address) == 0)
goto spcr_unmap;
if (spcr->InterfaceType != ACPI_DBG2_16550_COMPATIBLE &&
spcr->InterfaceType != ACPI_DBG2_16550_SUBSET)
@@ -300,7 +300,7 @@
if (mem == NULL)
goto crs_cleanup;
- if (mem->ar_base == spcr->SerialPort.Address)
+ if (mem->ar_base == le64toh(spcr->SerialPort.Address))
prop_dictionary_set_bool(prop, "force_console", true);
crs_cleanup:
diff -r 73a00419e037 -r 4a0d24df133b sys/arch/arm/acpi/acpi_table.c
--- a/sys/arch/arm/acpi/acpi_table.c Sun Sep 13 21:21:04 2020 +0000
+++ b/sys/arch/arm/acpi/acpi_table.c Sun Sep 13 21:41:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_table.c,v 1.1 2018/10/12 22:15:04 jmcneill Exp $ */
+/* $NetBSD: acpi_table.c,v 1.2 2020/09/13 21:41:17 jmcneill Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_table.c,v 1.1 2018/10/12 22:15:04 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_table.c,v 1.2 2020/09/13 21:41:17 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -61,7 +61,8 @@
rv = acpi_md_OsMapMemory(pa, sizeof(*header), (void **)&header);
if (ACPI_FAILURE(rv))
return rv;
- length = header->Length;
+ length = le32toh(header->Length);
+
acpi_md_OsUnmapMemory(header, sizeof(*header));
return acpi_md_OsMapMemory(pa, length, hdrp);
@@ -70,7 +71,7 @@
void
acpi_table_unmap(ACPI_TABLE_HEADER *hdrp)
{
- acpi_md_OsUnmapMemory(hdrp, hdrp->Length);
+ acpi_md_OsUnmapMemory(hdrp, le32toh(hdrp->Length));
}
ACPI_STATUS
@@ -88,7 +89,7 @@
if (ACPI_FAILURE(rv))
return rv;
if (memcmp(rsdp->Signature, ACPI_SIG_RSDP, sizeof(rsdp->Signature)) == 0)
- pa = rsdp->XsdtPhysicalAddress;
+ pa = le64toh(rsdp->XsdtPhysicalAddress);
acpi_md_OsUnmapMemory(rsdp, sizeof(*rsdp));
if (pa == 0)
return AE_NOT_FOUND;
@@ -97,13 +98,14 @@
rv = acpi_table_map(pa, (void **)&xsdt);
if (ACPI_FAILURE(rv))
return rv;
- const u_int entries = (xsdt->Header.Length - sizeof(ACPI_TABLE_HEADER)) / ACPI_XSDT_ENTRY_SIZE;
+ const u_int entries = (le32toh(xsdt->Header.Length) - sizeof(ACPI_TABLE_HEADER)) / ACPI_XSDT_ENTRY_SIZE;
for (u_int n = 0; n < entries; n++) {
- rv = acpi_table_map(xsdt->TableOffsetEntry[n], (void **)&header);
+ rv = acpi_table_map(le64toh(xsdt->TableOffsetEntry[n]), (void **)&header);
if (ACPI_FAILURE(rv))
continue;
if (memcmp(header->Signature, sig, sizeof(header->Signature)) == 0) {
acpi_table_unmap((ACPI_TABLE_HEADER *)xsdt);
+
*hdrp = header;
return AE_OK;
}
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