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-rw-r--r--doc/README.x865
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/README.x86 b/doc/README.x86
index 5d712445df..1cab42cc41 100644
--- a/doc/README.x86
+++ b/doc/README.x86
@@ -281,6 +281,11 @@ QEMU emulates a graphic card which U-Boot supports. Removing '-nographic' will
show QEMU's VGA console window. Note this will disable QEMU's serial output.
If you want to check both consoles, use '-serial stdio'.
+Multicore is also supported by QEMU via '-smp n' where n is the number of cores
+to instantiate. Currently the default U-Boot built for QEMU supports 2 cores.
+In order to support more cores, you need add additional cpu nodes in the device
+tree and change CONFIG_MAX_CPUS accordingly.
+
CPU Microcode
-------------
Modern CPUs usually require a special bit stream called microcode [8] to be
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