svn commit: r356205 - head/sys/riscv/riscv
Ruslan Bukin
br at FreeBSD.org
Mon Dec 30 17:18:51 UTC 2019
Author: br
Date: Mon Dec 30 17:18:50 2019
New Revision: 356205
URL: https://svnweb.freebsd.org/changeset/base/356205
Log:
Don't hard-code field offsets of struct riscv_bootparams.
Submitted by: James Clarke <jrtc27 at jrtc27.com>
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D22970
Modified:
head/sys/riscv/riscv/genassym.c
head/sys/riscv/riscv/locore.S
Modified: head/sys/riscv/riscv/genassym.c
==============================================================================
--- head/sys/riscv/riscv/genassym.c Mon Dec 30 15:54:36 2019 (r356204)
+++ head/sys/riscv/riscv/genassym.c Mon Dec 30 17:18:50 2019 (r356205)
@@ -101,3 +101,9 @@ ASSYM(TF_SCAUSE, offsetof(struct trapframe, tf_scause)
ASSYM(TF_SSTATUS, offsetof(struct trapframe, tf_sstatus));
ASSYM(RISCV_BOOTPARAMS_SIZE, sizeof(struct riscv_bootparams));
+ASSYM(RISCV_BOOTPARAMS_KERN_L1PT, offsetof(struct riscv_bootparams, kern_l1pt));
+ASSYM(RISCV_BOOTPARAMS_KERN_PHYS, offsetof(struct riscv_bootparams, kern_phys));
+ASSYM(RISCV_BOOTPARAMS_KERN_STACK, offsetof(struct riscv_bootparams,
+ kern_stack));
+ASSYM(RISCV_BOOTPARAMS_DTBP_VIRT, offsetof(struct riscv_bootparams, dtbp_virt));
+ASSYM(RISCV_BOOTPARAMS_DTBP_PHYS, offsetof(struct riscv_bootparams, dtbp_phys));
Modified: head/sys/riscv/riscv/locore.S
==============================================================================
--- head/sys/riscv/riscv/locore.S Mon Dec 30 15:54:36 2019 (r356204)
+++ head/sys/riscv/riscv/locore.S Mon Dec 30 17:18:50 2019 (r356205)
@@ -206,15 +206,15 @@ va:
/* Fill riscv_bootparams */
la t0, pagetable_l1
- sd t0, 0(sp) /* kern_l1pt */
- sd s9, 8(sp) /* kern_phys */
+ sd t0, RISCV_BOOTPARAMS_KERN_L1PT(sp)
+ sd s9, RISCV_BOOTPARAMS_KERN_PHYS(sp)
la t0, initstack
- sd t0, 16(sp) /* kern_stack */
+ sd t0, RISCV_BOOTPARAMS_KERN_STACK(sp)
li t0, (VM_MAX_KERNEL_ADDRESS - 2 * L2_SIZE)
- sd t0, 24(sp) /* dtbp_virt */
- sd a1, 32(sp) /* dtbp_phys */
+ sd t0, RISCV_BOOTPARAMS_DTBP_VIRT(sp)
+ sd a1, RISCV_BOOTPARAMS_DTBP_PHYS(sp)
mv a0, sp
call _C_LABEL(initriscv) /* Off we go */
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