diff options
| author | Myles Watson <mylesgw@gmail.com> | 2010-09-07 22:30:15 +0000 |
|---|---|---|
| committer | Myles Watson <mylesgw@gmail.com> | 2010-09-07 22:30:15 +0000 |
| commit | 6c9bc01b0ead45ebde3479e2c3c0c150ce99625f (patch) | |
| tree | 244b76f0ea03b2e86722810319d2547edb837ae2 /src | |
| parent | c13738540483511a88b02a64195453cbaf3d67bc (diff) | |
Make a Kconfig option for debugging output from realmode emulation. Trivial.
Signed-off-by: Myles Watson <mylesgw@gmail.com>
Acked-by: Myles Watson <mylesgw@gmail.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5783 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
| -rw-r--r-- | src/Kconfig | 11 | ||||
| -rw-r--r-- | src/devices/oprom/x86.c | 2 | ||||
| -rw-r--r-- | src/devices/oprom/x86_interrupts.c | 2 |
3 files changed, 15 insertions, 0 deletions
diff --git a/src/Kconfig b/src/Kconfig index ec3a13bdbf..be55b4bf90 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -543,6 +543,17 @@ config DEBUG_SMM_RELOCATION If unsure, say N. +config REALMODE_DEBUG + bool "Enable debug messages for option ROM execution" + default n + depends on PCI_OPTION_ROM_RUN_REALMODE + help + This option enables additional x86emu related debug messages. + + Note: This option will increase the time to emulate a ROM. + + If unsure, say N. + config X86EMU_DEBUG bool "Output verbose x86emu debug messages" default n diff --git a/src/devices/oprom/x86.c b/src/devices/oprom/x86.c index 42267faa5f..60776f68ea 100644 --- a/src/devices/oprom/x86.c +++ b/src/devices/oprom/x86.c @@ -329,6 +329,7 @@ int __attribute__((regparm(0))) interrupt_handler(u32 intnumber, cs = cs_ip >> 16; flags = stackflags; +#if CONFIG_REALMODE_DEBUG printk(BIOS_DEBUG, "oprom: INT# 0x%x\n", intnumber); printk(BIOS_DEBUG, "oprom: eax: %08x ebx: %08x ecx: %08x edx: %08x\n", eax, ebx, ecx, edx); @@ -336,6 +337,7 @@ int __attribute__((regparm(0))) interrupt_handler(u32 intnumber, ebp, esp, edi, esi); printk(BIOS_DEBUG, "oprom: ip: %04x cs: %04x flags: %08x\n", ip, cs, flags); +#endif // Fetch arguments from the stack and put them into // a structure that we want to pass on to our sub interrupt diff --git a/src/devices/oprom/x86_interrupts.c b/src/devices/oprom/x86_interrupts.c index 49d69ee3a7..44c98d130c 100644 --- a/src/devices/oprom/x86_interrupts.c +++ b/src/devices/oprom/x86_interrupts.c @@ -156,8 +156,10 @@ int int1a_handler(struct eregs *regs) break; } +#if CONFIG_REALMODE_DEBUG printk(BIOS_DEBUG, "0x%x: bus %d devfn 0x%x reg 0x%x val 0x%x\n", func, bus, devfn, reg, regs->ecx); +#endif regs->eax = 0; retval = 0; break; |