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| author | Danny Holman <dholman@gymli.org> | 2024-06-24 01:28:04 -0500 |
|---|---|---|
| committer | Danny Holman <dholman@gymli.org> | 2024-06-24 01:28:04 -0500 |
| commit | 5e376ab1287be429c021907fa719ce42173b1df2 (patch) | |
| tree | 016cf8fd70e7344b560ea1f44e4d239f518da56f /arch/i386 | |
| parent | cea371e824adb1650b0797e9943f6dcf3bd179eb (diff) | |
arch: i386: boot: zero ESP before calling i386_entry
Set the ESP register to NULL before calling any C code. This allows a
stack trace to occur without overrunning the initial bootstrap stack.
Signed-off-by: Danny Holman <dholman@gymli.org>
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/boot/boot.s | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/i386/boot/boot.s b/arch/i386/boot/boot.s index f861699..5357910 100644 --- a/arch/i386/boot/boot.s +++ b/arch/i386/boot/boot.s @@ -80,6 +80,7 @@ _start: call setup_stack_guard + xorl %ebp, %ebp pushl %ebx pushl %eax call i386_entry |