diff options
Diffstat (limited to 'hw/i386/pc.c')
| -rw-r--r-- | hw/i386/pc.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 42128183e9..c6d047b42b 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -136,6 +136,7 @@ GlobalProperty pc_compat_3_1[] = { { "Icelake-Client" "-" TYPE_X86_CPU, "mpx", "on" }, { "Icelake-Server" "-" TYPE_X86_CPU, "mpx", "on" }, { "Cascadelake-Server" "-" TYPE_X86_CPU, "stepping", "5" }, + { TYPE_X86_CPU, "x-intel-pt-auto-level", "off" }, }; const size_t pc_compat_3_1_len = G_N_ELEMENTS(pc_compat_3_1); @@ -1210,6 +1211,17 @@ static void load_linux(PCMachineState *pcms, protocol = lduw_p(header+0x206); } else { /* + * This could be a multiboot kernel. If it is, let's stop treating it + * like a Linux kernel. + * Note: some multiboot images could be in the ELF format (the same of + * PVH), so we try multiboot first since we check the multiboot magic + * header before to load it. + */ + if (load_multiboot(fw_cfg, f, kernel_filename, initrd_filename, + kernel_cmdline, kernel_size, header)) { + return; + } + /* * Check if the file is an uncompressed kernel file (ELF) and load it, * saving the PVH entry point used by the x86/HVM direct boot ABI. * If load_elfboot() is successful, populate the fw_cfg info. @@ -1262,12 +1274,6 @@ static void load_linux(PCMachineState *pcms, return; } - /* This looks like a multiboot kernel. If it is, let's stop - treating it like a Linux kernel. */ - if (load_multiboot(fw_cfg, f, kernel_filename, initrd_filename, - kernel_cmdline, kernel_size, header)) { - return; - } protocol = 0; } |