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| author | Michael Brown | 2014-08-26 15:53:46 +0200 |
|---|---|---|
| committer | Michael Brown | 2014-08-26 16:17:34 +0200 |
| commit | 8b64cc7fba868ddec45895382eb52df005f4f319 (patch) | |
| tree | 985c99fabf25e44b3a02d11b6e09b0ef0d82de97 | |
| parent | [prefix] Halt system without burning CPU if we cannot access the payload (diff) | |
| download | ipxe-8b64cc7fba868ddec45895382eb52df005f4f319.tar.gz ipxe-8b64cc7fba868ddec45895382eb52df005f4f319.tar.xz ipxe-8b64cc7fba868ddec45895382eb52df005f4f319.zip | |
[prefix] Report both %esi and %ecx when opening payload fails
Signed-off-by: Michael Brown <mcb30@ipxe.org>
| -rw-r--r-- | src/arch/i386/prefix/libprefix.S | 3 | ||||
| -rw-r--r-- | src/arch/i386/prefix/mromprefix.S | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/src/arch/i386/prefix/libprefix.S b/src/arch/i386/prefix/libprefix.S index aae07354f..7c1ece791 100644 --- a/src/arch/i386/prefix/libprefix.S +++ b/src/arch/i386/prefix/libprefix.S @@ -746,6 +746,9 @@ a20_death_message: xorw %di, %di movl %esi, %eax call print_hex_dword + call print_space + movl %ecx, %eax + call print_hex_dword movw $payload_death_message, %si call print_message 2: /* Halt system */ diff --git a/src/arch/i386/prefix/mromprefix.S b/src/arch/i386/prefix/mromprefix.S index c4e4ca06f..97ddd591e 100644 --- a/src/arch/i386/prefix/mromprefix.S +++ b/src/arch/i386/prefix/mromprefix.S @@ -99,6 +99,7 @@ find_mem_bar: jle 1f stc movl $0xbabababa, %esi /* Report "No suitable BAR" */ + movl rom_bar_size, %ecx jmp 99f 1: movw $4, %bp @@ -157,7 +158,8 @@ find_mem_bar: call pci_write_config_dword /* Locate our ROM image */ -1: addr32 es cmpw $0xaa55, (%eax) +1: movl $0xaa55, %ecx /* 55aa signature */ + addr32 es cmpw %cx, (%eax) je 2f stc movl %eax, %esi /* Report failure address */ |