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dev-arm: Add RealView support for initrd/initramfs

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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 <adelva@google.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/54185
Reviewed-by: Richard Cooper <richard.cooper@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Alistair Delva
2021-12-14 10:26:44 -08:00
parent cb7799648b
commit 75cd1ff764
1 changed files with 2 additions and 0 deletions
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src/dev/arm/RealView.py
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@@ -750,6 +750,8 @@ class RealView(Platform):
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 = cur_sys.workload.dtb_addr + 0x200000
cur_sys.workload.cpu_release_addr = cur_sys.workload.dtb_addr - 8
def generateDeviceTree(self, state):