mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-20 11:11:24 +00:00
Code Issues Releases Activity

Revert the previous change I made to cpu_switch. It doesn't help as

Browse Source 
much as I thought it would and according to bde was a pessimization.
This commit is contained in:
Jake Burkholder 2000-12-08 21:31:52 +00:00
parent 894fbb6682
commit 1b00f92039
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=69779
5 changed files with 14 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/amd64/amd64/cpu_switch.S
View File

@ -103,7 +103,8 @@ ENTRY(cpu_switch)
movl P_ADDR(%ecx),%edx
popl PCB_EIP(%edx) /* Hardware registers */
movl (%esp),%eax /* Hardware registers */
movl %eax,PCB_EIP(%edx)
movl %ebx,PCB_EBX(%edx)
movl %esp,PCB_ESP(%edx)
movl %ebp,PCB_EBP(%edx)
@ -253,7 +254,8 @@ sw1b:
movl PCB_EBP(%edx),%ebp
movl PCB_ESI(%edx),%esi
movl PCB_EDI(%edx),%edi
pushl PCB_EIP(%edx)
movl PCB_EIP(%edx),%eax
movl %eax,(%esp)
#ifdef SMP
#ifdef GRAB_LOPRIO /* hold LOPRIO for INTs */

6
sys/amd64/amd64/swtch.s
View File

@ -103,7 +103,8 @@ ENTRY(cpu_switch)
movl P_ADDR(%ecx),%edx
popl PCB_EIP(%edx) /* Hardware registers */
movl (%esp),%eax /* Hardware registers */
movl %eax,PCB_EIP(%edx)
movl %ebx,PCB_EBX(%edx)
movl %esp,PCB_ESP(%edx)
movl %ebp,PCB_EBP(%edx)
@ -253,7 +254,8 @@ sw1b:
movl PCB_EBP(%edx),%ebp
movl PCB_ESI(%edx),%esi
movl PCB_EDI(%edx),%edi
pushl PCB_EIP(%edx)
movl PCB_EIP(%edx),%eax
movl %eax,(%esp)
#ifdef SMP
#ifdef GRAB_LOPRIO /* hold LOPRIO for INTs */

2
sys/amd64/amd64/vm_machdep.c
View File

@ -168,7 +168,7 @@ cpu_fork(p1, p2, flags)
pcb2->pcb_edi = 0;
pcb2->pcb_esi = (int)fork_return; /* fork_trampoline argument */
pcb2->pcb_ebp = 0;
pcb2->pcb_esp = (int)p2->p_md.md_regs;
pcb2->pcb_esp = (int)p2->p_md.md_regs - sizeof(void *);
pcb2->pcb_ebx = (int)p2; /* fork_trampoline argument */
pcb2->pcb_eip = (int)fork_trampoline;
/*

6
sys/i386/i386/swtch.s
View File

@ -103,7 +103,8 @@ ENTRY(cpu_switch)
movl P_ADDR(%ecx),%edx
popl PCB_EIP(%edx) /* Hardware registers */
movl (%esp),%eax /* Hardware registers */
movl %eax,PCB_EIP(%edx)
movl %ebx,PCB_EBX(%edx)
movl %esp,PCB_ESP(%edx)
movl %ebp,PCB_EBP(%edx)
@ -253,7 +254,8 @@ sw1b:
movl PCB_EBP(%edx),%ebp
movl PCB_ESI(%edx),%esi
movl PCB_EDI(%edx),%edi
pushl PCB_EIP(%edx)
movl PCB_EIP(%edx),%eax
movl %eax,(%esp)
#ifdef SMP
#ifdef GRAB_LOPRIO /* hold LOPRIO for INTs */

2
sys/i386/i386/vm_machdep.c
View File

@ -168,7 +168,7 @@ cpu_fork(p1, p2, flags)
pcb2->pcb_edi = 0;
pcb2->pcb_esi = (int)fork_return; /* fork_trampoline argument */
pcb2->pcb_ebp = 0;
pcb2->pcb_esp = (int)p2->p_md.md_regs;
pcb2->pcb_esp = (int)p2->p_md.md_regs - sizeof(void *);
pcb2->pcb_ebx = (int)p2; /* fork_trampoline argument */
pcb2->pcb_eip = (int)fork_trampoline;
/*