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-rw-r--r--pc-bios/optionrom/linuxboot_dma.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/pc-bios/optionrom/linuxboot_dma.c b/pc-bios/optionrom/linuxboot_dma.c
index 8509b287ba..7549797732 100644
--- a/pc-bios/optionrom/linuxboot_dma.c
+++ b/pc-bios/optionrom/linuxboot_dma.c
@@ -25,7 +25,7 @@ asm(
".global _start\n"
"_start:\n"
" .short 0xaa55\n"
-" .byte 0\n" /* size in 512 units, filled in by signrom.py */
+" .byte 3\n" /* desired size in 512 units; signrom.py adds padding */
" .byte 0xcb\n" /* far return without prefix */
" .org 0x18\n"
" .short 0\n"
@@ -157,7 +157,11 @@ static inline uint32_t be32_to_cpu(uint32_t x)
return bswap32(x);
}
-static void bios_cfg_read_entry(void *buf, uint16_t entry, uint32_t len)
+/* clang is happy to inline this function, and bloats the
+ * ROM.
+ */
+static __attribute__((__noinline__))
+void bios_cfg_read_entry(void *buf, uint16_t entry, uint32_t len)
{
FWCfgDmaAccess access;
uint32_t control = (entry << 16) | BIOS_CFG_DMA_CTL_SELECT