| Message ID | 20240719134937.3643-1-anisinha@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | hw/x86: add a couple of comments explaining how the kernel image is parsed | expand |
On Fri, Jul 19, 2024 at 07:19:37PM +0530, Ani Sinha wrote: > Date: Fri, 19 Jul 2024 19:19:37 +0530 > From: Ani Sinha <anisinha@redhat.com> > Subject: [PATCH] hw/x86: add a couple of comments explaining how the kernel > image is parsed > X-Mailer: git-send-email 2.42.0 > > Cosmetic: add comments in x86_load_linux() pointing to the kernel documentation > so that users can better understand the code. > > CC: qemu-trivial@nongnu.org > Signed-off-by: Ani Sinha <anisinha@redhat.com> > --- > hw/i386/x86-common.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
diff --git a/hw/i386/x86-common.c b/hw/i386/x86-common.c index c0c66a0eb5..992ea1f25e 100644 --- a/hw/i386/x86-common.c +++ b/hw/i386/x86-common.c @@ -665,8 +665,11 @@ void x86_load_linux(X86MachineState *x86ms, exit(1); } - /* kernel protocol version */ - if (ldl_p(header + 0x202) == 0x53726448) { + /* + * kernel protocol version. + * Please see https://www.kernel.org/doc/Documentation/x86/boot.txt + */ + if (ldl_p(header + 0x202) == 0x53726448) /* Magic signature "HdrS" */ { protocol = lduw_p(header + 0x206); } else { /*
Cosmetic: add comments in x86_load_linux() pointing to the kernel documentation so that users can better understand the code. CC: qemu-trivial@nongnu.org Signed-off-by: Ani Sinha <anisinha@redhat.com> --- hw/i386/x86-common.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)