[Skiboot] [PATCH v2] fast-reboot:: skip read-only memory checksum for slow simulators

[Nicholas Piggin]

Skip the fast reboot checksum, which costs about 4 million cycles
booting skiboot in mambo.

Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
 core/init.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/init.c b/core/init.c
index bca12dfc6..c97a1c3ee 100644
--- a/core/init.c
+++ b/core/init.c
@@ -901,6 +901,8 @@ static void checksum_romem(void)
 	uint32_t csum;
 
 	romem_csum = 0;
+	if (chip_quirk(QUIRK_SLOW_SIM))
+		return;
 
 	csum = mem_csum(_start, _romem_end);
 	romem_csum ^= csum;
-- 
2.20.1