redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

powerpc/book3e-64: Use hardcoded mttmr opcode 

This preserves the ability to build using older binutils (reportedly <=
2.22).

Fixes: 6becef7ea0 ("powerpc/mpc85xx: Add CPU hotplug support for E6500")
Signed-off-by: Scott Wood <oss@buserror.net>
Cc: chenhui.zhao@freescale.com
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
hifive-unleashed-5.1
Scott Wood 2016-03-15 01:47:38 -05:00 committed by Michael Ellerman
parent a1b5344620
commit 7a25d91214
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
arch/powerpc/kernel/head_64.S
View File

@ -41,6 +41,7 @@
#include <asm/ptrace.h>
#include <asm/hw_irq.h>
#include <asm/cputhreads.h>
#include <asm/ppc-opcode.h>
/* The physical memory is laid out such that the secondary processor
* spin code sits at 0x0000...0x00ff. On server, the vectors follow
@ -207,12 +208,12 @@ _GLOBAL(book3e_start_thread)
/* If the thread id is invalid, just exit. */
b 13f
10:
mttmr TMRN_IMSR0, r5
mttmr TMRN_INIA0, r4
MTTMR(TMRN_IMSR0, 5)
MTTMR(TMRN_INIA0, 4)
b 12f
11:
mttmr TMRN_IMSR1, r5
mttmr TMRN_INIA1, r4
MTTMR(TMRN_IMSR1, 5)
MTTMR(TMRN_INIA1, 4)
12:
isync
li r6, 1