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| author | Julien Grall <julien.grall@linaro.org> | 2013-10-07 15:44:35 +0100 |
|---|---|---|
| committer | Ian Campbell <ian.campbell@citrix.com> | 2013-10-10 11:18:25 +0100 |
| commit | bd7a85f9a4040a117696c43985932243df70def7 (patch) | |
| tree | c0f1f16324cf74fd6773689ff1f3cba483bff4f2 | |
| parent | f2831c3a4ac803541eaf0a5992665c06ee852441 (diff) | |
| download | xen-bd7a85f9a4040a117696c43985932243df70def7.tar.gz xen-bd7a85f9a4040a117696c43985932243df70def7.tar.bz2 xen-bd7a85f9a4040a117696c43985932243df70def7.zip | |
xen/arm32: Call start_xen only on the boot CPU
The boot CPU can have a CPU ID non-equal to zero. Xen needs to check the
logical CPU ID (in r12) to know if the CPU is the boot one.
Signed-off-by: Julien Grall <julien.grall@linaro.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
| -rw-r--r-- | xen/arch/arm/arm32/head.S | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/xen/arch/arm/arm32/head.S b/xen/arch/arm/arm32/head.S index 92b3c4896f..ce1d21a8e3 100644 --- a/xen/arch/arm/arm32/head.S +++ b/xen/arch/arm/arm32/head.S @@ -403,7 +403,8 @@ launch: sub sp, #CPUINFO_sizeof /* Make room for CPU save record */ mov r0, r10 /* Marshal args: - phys_offset */ mov r1, r8 /* - DTB address */ - movs r2, r7 /* - CPU ID */ + mov r2, r7 /* - CPU ID */ + teq r12, #0 beq start_xen /* and disappear into the land of C */ b start_secondary /* (to the appropriate entry point) */ |