summaryrefslogtreecommitdiff
path: root/configs/common/FSConfig.py
diff options
context:
space:
mode:
authorAli Saidi <Ali.Saidi@ARM.com>2014-10-29 23:18:26 -0500
committerAli Saidi <Ali.Saidi@ARM.com>2014-10-29 23:18:26 -0500
commit3a5c975fd7a0e6c8f25067c1794581056c01c22c (patch)
tree37f6cac9722d80822d96e3714f64a551b378c023 /configs/common/FSConfig.py
parent9900629f83139ed213a440375ea32bc95333b8d9 (diff)
downloadgem5-3a5c975fd7a0e6c8f25067c1794581056c01c22c.tar.xz
arm: fix bare-metal memory setup.
The bare-metal configuration option still configured memory with the old scheme that no-longer works. This change unifies the code so there aren't any differences.
Diffstat (limited to 'configs/common/FSConfig.py')
-rw-r--r--configs/common/FSConfig.py39
1 files changed, 18 insertions, 21 deletions
diff --git a/configs/common/FSConfig.py b/configs/common/FSConfig.py
index ee9bef929..ab8a9e8fa 100644
--- a/configs/common/FSConfig.py
+++ b/configs/common/FSConfig.py
@@ -230,11 +230,27 @@ def makeArmSystem(mem_mode, machine_type, mdesc = None,
except:
self.realview.cf_ctrl.disks = [self.cf0]
+ self.mem_ranges = []
+ size_remain = long(Addr(mdesc.mem()))
+ for region in self.realview._mem_regions:
+ if size_remain > long(region[1]):
+ self.mem_ranges.append(AddrRange(region[0], size=region[1]))
+ size_remain = size_remain - long(region[1])
+ else:
+ self.mem_ranges.append(AddrRange(region[0], size=size_remain))
+ size_remain = 0
+ break
+ warn("Memory size specified spans more than one region. Creating" \
+ " another memory controller for that range.")
+
+ if size_remain > 0:
+ fatal("The currently selected ARM platforms doesn't support" \
+ " the amount of DRAM you've selected. Please try" \
+ " another platform")
+
if bare_metal:
# EOT character on UART will end the simulation
self.realview.uart.end_on_eot = True
- self.mem_ranges = [AddrRange(self.realview.mem_start_addr,
- size = mdesc.mem())]
else:
if machine_type == "VExpress_EMM64":
self.kernel = binary('vmlinux-3.16-aarch64-vexpress-emm64-pcie')
@@ -251,25 +267,6 @@ def makeArmSystem(mem_mode, machine_type, mdesc = None,
'lpj=19988480 norandmaps rw loglevel=8 ' + \
'mem=%s root=/dev/sda1' % mdesc.mem()
- self.mem_ranges = []
- size_remain = long(Addr(mdesc.mem()))
- for region in self.realview._mem_regions:
- if size_remain > long(region[1]):
- self.mem_ranges.append(AddrRange(region[0], size=region[1]))
- size_remain = size_remain - long(region[1])
- else:
- self.mem_ranges.append(AddrRange(region[0], size=size_remain))
- size_remain = 0
- break
- warn("Memory size specified spans more than one region. Creating" \
- " another memory controller for that range.")
-
- if size_remain > 0:
- fatal("The currently selected ARM platforms doesn't support" \
- " the amount of DRAM you've selected. Please try" \
- " another platform")
-
-
self.realview.setupBootLoader(self.membus, self, binary)
self.gic_cpu_addr = self.realview.gic.cpu_addr
self.flags_addr = self.realview.realview_io.pio_addr + 0x30