diff options
| -rw-r--r-- | src/arch/x86/boot.c | 2 | ||||
| -rw-r--r-- | src/lib/selfboot.c | 9 |
2 files changed, 10 insertions, 1 deletions
diff --git a/src/arch/x86/boot.c b/src/arch/x86/boot.c index d157f96380..8a6592f189 100644 --- a/src/arch/x86/boot.c +++ b/src/arch/x86/boot.c @@ -203,7 +203,7 @@ static void jmp_payload(void *entry, unsigned long buffer, unsigned long size) int arch_supports_bounce_buffer(void) { - return 1; + return !IS_ENABLED(CONFIG_RELOCATABLE_RAMSTAGE); } int payload_arch_usable_ram_quirk(uint64_t start, uint64_t size) diff --git a/src/lib/selfboot.c b/src/lib/selfboot.c index 42f7efcc28..4046649522 100644 --- a/src/lib/selfboot.c +++ b/src/lib/selfboot.c @@ -350,6 +350,15 @@ static int payload_targets_usable_ram(struct segment *head) if (payload_arch_usable_ram_quirk(ptr->s_dstaddr, ptr->s_memsz)) continue; + if (arch_supports_bounce_buffer() && + bootmem_region_usable_with_bounce(ptr->s_dstaddr, + ptr->s_memsz)) { + printk(BIOS_DEBUG, + "Payload is loaded over non-relocatable " + "ramstage. Will use bounce-buffer.\n"); + return 1; + } + /* Payload segment not targeting RAM. */ printk(BIOS_ERR, "SELF Payload doesn't target RAM:\n"); printk(BIOS_ERR, "Failed Segment: 0x%lx, %lu bytes\n", |