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Don't hard-code size of struct riscv_bootparams.

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Submitted by:	James Clarke <jrtc27@jrtc27.com>
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D22968
This commit is contained in:
Ruslan Bukin 2019-12-30 14:38:06 +00:00
parent d8f2b75559
commit f60da2efef
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=356203
2 changed files with 4 additions and 1 deletions
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3
sys/riscv/riscv/genassym.c
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@ -55,6 +55,7 @@ __FBSDID("$FreeBSD$");
#include <machine/cpufunc.h>
#include <machine/pte.h>
#include <machine/intr.h>
#include <machine/machdep.h>
ASSYM(KERNBASE, KERNBASE);
ASSYM(VM_MAXUSER_ADDRESS, VM_MAXUSER_ADDRESS);
@ -98,3 +99,5 @@ ASSYM(TF_SEPC, offsetof(struct trapframe, tf_sepc));
ASSYM(TF_STVAL, offsetof(struct trapframe, tf_stval));
ASSYM(TF_SCAUSE, offsetof(struct trapframe, tf_scause));
ASSYM(TF_SSTATUS, offsetof(struct trapframe, tf_sstatus));
ASSYM(RISCV_BOOTPARAMS_SIZE, sizeof(struct riscv_bootparams));

2
sys/riscv/riscv/locore.S
View File

@ -188,7 +188,7 @@ va:
mv sp, s3
/* Allocate space for thread0 PCB and riscv_bootparams */
addi sp, sp, -(PCB_SIZE + 40) & ~STACKALIGNBYTES
addi sp, sp, -(PCB_SIZE + RISCV_BOOTPARAMS_SIZE) & ~STACKALIGNBYTES
/* Clear BSS */
la s0, _C_LABEL(__bss_start)