diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/i386/prefix/romprefix.S | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/arch/i386/prefix/romprefix.S b/src/arch/i386/prefix/romprefix.S index e061932d7..d606006e8 100644 --- a/src/arch/i386/prefix/romprefix.S +++ b/src/arch/i386/prefix/romprefix.S @@ -738,7 +738,17 @@ exec: /* Set %ds = %cs */ pushw $1f lret .section ".text16", "awx", @progbits -1: /* Call main() */ +1: + /* Retrieve PCI bus:dev.fn */ + movw init_pci_busdevfn, %cx + + /* Set up %ds for access to .data16 */ + movw %bx, %ds + + /* Store PCI bus:dev.fn */ + movw %cx, autoboot_busdevfn + + /* Call main() */ pushl $main pushw %cs call prot_call |