parisc: Detect QEMU earlier in boot process

[mirror_ubuntu-bionic-kernel.git] / arch / parisc / kernel / setup.c

diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 0e9675f857a5ca910769b8de1335cd318d0e2c9d..4736b65c39ecbf0edb393e3aba689ab7463ff694 100644 (file)
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -406,6 +406,9 @@ void __init start_parisc(void)
        int ret, cpunum;
        struct pdc_coproc_cfg coproc_cfg;
 
+       /* check QEMU/SeaBIOS marker in PAGE0 */
+       running_on_qemu = (memcmp(&PAGE0->pad0, "SeaBIOS", 8) == 0);
+
        cpunum = smp_processor_id();
 
        init_cpu_topology();