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[Qemu-arm] [PATCH] hw/arm/boot: fix direct kernel boot with initrd

From: Andrew Jones
Subject: [Qemu-arm] [PATCH] hw/arm/boot: fix direct kernel boot with initrd
Date: Tue, 18 Jun 2019 14:58:44 +0200

Fix the condition used to check whether the initrd fits
into RAM; in some cases if an initrd was also passed on
the command line we would get an error stating that it
was too big to fit into RAM after the kernel. Despite the
error the loader continued anyway, though, so also add an
exit(1) when the initrd is actually too big.

Fixes: 852dc64d665f ("hw/arm/boot: Diagnose layouts that put initrd or
DTB off the end of RAM")
Signed-off-by: Andrew Jones <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
 hw/arm/boot.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/arm/boot.c b/hw/arm/boot.c
index b2f93f6beff6..1fb24fbef27e 100644
--- a/hw/arm/boot.c
+++ b/hw/arm/boot.c
@@ -1109,10 +1109,11 @@ static void arm_setup_direct_kernel_boot(ARMCPU *cpu,
-            if (info->initrd_start + initrd_size > info->ram_size) {
+            if (info->initrd_start + initrd_size > ram_end) {
                 error_report("could not load initrd '%s': "
                              "too big to fit into RAM after the kernel",
+                exit(1);
         } else {
             initrd_size = 0;

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