Author: andrew
Date: Tue Dec 8 15:51:05 2020
New Revision: 368445
URL: https://svnweb.freebsd.org/changeset/base/368445
Log:
Use a macro to find the offset of kern_ttbr0
Rather than hard coding the offset of kern_ttbr0 within arm64_bootparams
use a macro like the other fields.
Sponsored by: Innovate UK
Modified:
head/sys/arm64/arm64/genassym.c
head/sys/arm64/arm64/locore.S
Modified: head/sys/arm64/arm64/genassym.c
==============================================================================
--- head/sys/arm64/arm64/genassym.c Tue Dec 8 15:41:18 2020
(r368444)
+++ head/sys/arm64/arm64/genassym.c Tue Dec 8 15:51:05 2020
(r368445)
@@ -45,6 +45,7 @@ ASSYM(BP_KERN_L1PT, offsetof(struct arm64_bootparams,
ASSYM(BP_KERN_DELTA, offsetof(struct arm64_bootparams, kern_delta));
ASSYM(BP_KERN_STACK, offsetof(struct arm64_bootparams, kern_stack));
ASSYM(BP_KERN_L0PT, offsetof(struct arm64_bootparams, kern_l0pt));
+ASSYM(BP_KERN_TTBR0, offsetof(struct arm64_bootparams, kern_ttbr0));
ASSYM(BP_BOOT_EL, offsetof(struct arm64_bootparams, boot_el));
ASSYM(TDF_ASTPENDING, TDF_ASTPENDING);
Modified: head/sys/arm64/arm64/locore.S
==============================================================================
--- head/sys/arm64/arm64/locore.S Tue Dec 8 15:41:18 2020
(r368444)
+++ head/sys/arm64/arm64/locore.S Tue Dec 8 15:51:05 2020
(r368445)
@@ -166,8 +166,8 @@ virtdone:
adr x25, initstack
str x25, [x0, #BP_KERN_STACK]
str x24, [x0, #BP_KERN_L0PT]
+ str x27, [x0, #BP_KERN_TTBR0]
str x23, [x0, #BP_BOOT_EL]
- str x27, [x0, 40] /* kern_ttbr0 */
/* trace back starts here */
mov fp, #0
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