From a7081490dbeda19788e6374a080ee38606aa3cd3 Mon Sep 17 00:00:00 2001 From: glenda Date: Wed, 14 May 2025 01:33:55 +0000 Subject: kernel: get rid of Proc.kstack The kernel stack is now above the Proc structure, so the explicit kstack pointer can be eliminated. --- sys/src/9/bcm64/trap.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'sys/src/9/bcm64') diff --git a/sys/src/9/bcm64/trap.c b/sys/src/9/bcm64/trap.c index d3dedb8f9..60f7d1937 100644 --- a/sys/src/9/bcm64/trap.c +++ b/sys/src/9/bcm64/trap.c @@ -566,7 +566,7 @@ void kprocchild(Proc *p, void (*entry)(void)) { p->sched.pc = (uintptr) entry; - p->sched.sp = (uintptr) p->kstack + KSTACK - 16; + p->sched.sp = (uintptr) p - 16; *(void**)p->sched.sp = kprocchild; /* fake */ } @@ -576,7 +576,7 @@ forkchild(Proc *p, Ureg *ureg) Ureg *cureg; p->sched.pc = (uintptr) forkret; - p->sched.sp = (uintptr) p->kstack + KSTACK - TRAPFRAMESIZE; + p->sched.sp = (uintptr) p - TRAPFRAMESIZE; cureg = (Ureg*) (p->sched.sp + 16); memmove(cureg, ureg, sizeof(Ureg)); @@ -661,12 +661,12 @@ dumpstackwithureg(Ureg *ureg) sp = (uintptr)&ureg; estack = (uintptr)m+MACHSIZE; - if(up != nil && sp <= (uintptr)up->kstack+KSTACK) - estack = (uintptr)up->kstack+KSTACK; + if(up != nil && sp <= (uintptr)up) + estack = (uintptr)up; if(sp > estack){ if(up != nil) - iprint("&up->kstack %#p sp %#p\n", up->kstack, sp); + iprint("&up %#p sp %#p\n", up, sp); else iprint("&m %#p sp %#p\n", m, sp); return; -- cgit v1.2.3