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| author | Ali Saidi <Ali.Saidi@ARM.com> | 2014-09-03 07:43:05 -0400 |
|---|---|---|
| committer | Ali Saidi <Ali.Saidi@ARM.com> | 2014-09-03 07:43:05 -0400 |
| commit | 1c0ae90027f0aea96389d0b82f2c732df72fc06c (patch) | |
| tree | 96639d0aed6497ddda46634db054d14ad615ff3c /configs | |
| parent | 16262a8fc3668d67d5eeb634e9b1a0de418e7162 (diff) | |
| download | gem5-1c0ae90027f0aea96389d0b82f2c732df72fc06c.tar.xz | |
arm: Support >2GB of memory for AArch64 systems
Diffstat (limited to 'configs')
| -rw-r--r-- | configs/common/FSConfig.py | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/configs/common/FSConfig.py b/configs/common/FSConfig.py index a89c2a571..cc921229e 100644 --- a/configs/common/FSConfig.py +++ b/configs/common/FSConfig.py @@ -246,19 +246,30 @@ def makeArmSystem(mem_mode, machine_type, mdesc = None, if dtb_filename: self.dtb_filename = binary(dtb_filename) self.machine_type = machine_type - if convert.toMemorySize(mdesc.mem()) > int(self.realview.max_mem_size): - print "The currently selected ARM platforms doesn't support" - print " the amount of DRAM you've selected. Please try" - print " another platform" - sys.exit(1) - # Ensure that writes to the UART actually go out early in the boot boot_flags = 'earlyprintk=pl011,0x1c090000 console=ttyAMA0 ' + \ 'lpj=19988480 norandmaps rw loglevel=8 ' + \ 'mem=%s root=/dev/sda1' % mdesc.mem() - self.mem_ranges = [AddrRange(self.realview.mem_start_addr, - size = 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 |