Alistair Delva has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/54185 )
Change subject: dev-arm: Add RealView support for initrd/initramfs
......................................................................
dev-arm: Add RealView support for initrd/initramfs
Update the RealView bootloader simulator to set up the initrd_addr. The
load address is derived from the dtb_addr plus the maximum allowable DTB
blob size.
Change-Id: I2eaeb1ade38d24ad8e02230cc99d12873c2f56f9
Signed-off-by: Alistair Delva <[email protected]>
---
M src/dev/arm/RealView.py
1 file changed, 16 insertions(+), 0 deletions(-)
diff --git a/src/dev/arm/RealView.py b/src/dev/arm/RealView.py
index 919ff63..82c9878 100644
--- a/src/dev/arm/RealView.py
+++ b/src/dev/arm/RealView.py
@@ -749,6 +749,8 @@
cur_sys.workload.boot_loader = boot_loader
cur_sys.workload.load_addr_offset = load_offset
cur_sys.workload.dtb_addr = load_offset + dtb_addr
+ # Use 0x200000 as this is the maximum size allowed for a DTB
+ cur_sys.workload.initrd_addr = load_offset + dtb_addr + 0x200000
cur_sys.workload.cpu_release_addr = cur_sys.workload.dtb_addr - 8
def generateDeviceTree(self, state):
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I2eaeb1ade38d24ad8e02230cc99d12873c2f56f9
Gerrit-Change-Number: 54185
Gerrit-PatchSet: 1
Gerrit-Owner: Alistair Delva <[email protected]>
Gerrit-MessageType: newchange
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