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Add non-posted device memory to the arm64 mem map

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Add VM_MEMATTR_DEVICE_NP to the arm64 vm.pmap.kernel_maps sysctl.

Reviewed by:	markj
Sponsored by:	Arm Ltd
 Differential Revision:	https://reviews.freebsd.org/D39371
This commit is contained in:
Andrew Turner 2023-03-31 16:58:57 +01:00
parent 7ae0972c7b
commit 41236539d8
1 changed files with 4 additions and 1 deletions
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5
sys/arm64/arm64/pmap.c
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@ -7843,6 +7843,9 @@ sysctl_kmaps_dump(struct sbuf *sb, struct pmap_kernel_map_range *range,
index = range->attrs & ATTR_S1_IDX_MASK;
switch (index) {
case ATTR_S1_IDX(VM_MEMATTR_DEVICE_NP):
mode = "DEV-NP";
break;
case ATTR_S1_IDX(VM_MEMATTR_DEVICE):
mode = "DEV";
break;
@ -7863,7 +7866,7 @@ sysctl_kmaps_dump(struct sbuf *sb, struct pmap_kernel_map_range *range,
break;
}
sbuf_printf(sb, "0x%016lx-0x%016lx r%c%c%c%c %3s %d %d %d %d\n",
sbuf_printf(sb, "0x%016lx-0x%016lx r%c%c%c%c %6s %d %d %d %d\n",
range->sva, eva,
(range->attrs & ATTR_S1_AP_RW_BIT) == ATTR_S1_AP_RW ? 'w' : '-',
(range->attrs & ATTR_S1_PXN) != 0 ? '-' : 'x',