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List: qemu-arm
Subject: [Qemu-arm] [PATCH 4/5] hw/arm/boot: Clarify why arm_setup_firmware_boot() doesn't set env->boot_info
From: Peter Maydell <peter.maydell () linaro ! org>
Date: 2019-01-31 11:22:39
Message-ID: 20190131112240.8395-5-peter.maydell () linaro ! org
[Download RAW message or body]
The code path for booting firmware doesn't set env->boot_info. At
first sight this looks odd, so add a comment saying why we don't.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
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 a2e724ac68a..cfcfdf421cf 100644
--- a/hw/arm/boot.c
+++ b/hw/arm/boot.c
@@ -1186,7 +1186,8 @@ static void arm_setup_firmware_boot(ARMCPU *cpu, struct arm_boot_info *info)
/*
* We will start from address 0 (typically a boot ROM image) in the
- * same way as hardware.
+ * same way as hardware. Leave env->boot_info NULL, so that
+ * do_cpu_reset() knows it does not need to alter the PC on reset.
*/
}
--
2.20.1
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