diff options
| author | Sebastian Macke <sebastian@macke.de> | 2013-10-03 16:16:14 +0800 |
|---|---|---|
| committer | Jia Liu <proljc@gmail.com> | 2013-10-03 16:24:44 +0800 |
| commit | 6ef8263ead779e1eecfaf1e0388f4c3941ea7ec3 (patch) | |
| tree | 6753504b6a0bce779d580aae4b4ffc4b3ca2b37f | |
| parent | bf961b52785061e1802214c9e03a1c65b261f7c1 (diff) | |
target-openrisc: Removes a non-conforming behavior for the first page of the memory
Where *software* leaves 0x0000 - 0x2000 unmapped, the hardware should
still allow for this area to be mapped.
Signed-off-by: Sebastian Macke <sebastian@macke.de>
Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Reviewed-by: Jia Liu <proljc@gmail.com>
| -rw-r--r-- | target-openrisc/mmu.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/target-openrisc/mmu.c b/target-openrisc/mmu.c index 323a173a82..22d7cbec18 100644 --- a/target-openrisc/mmu.c +++ b/target-openrisc/mmu.c @@ -122,13 +122,6 @@ static int cpu_openrisc_get_phys_addr(OpenRISCCPU *cpu, { int ret = TLBRET_MATCH; - /* [0x0000--0x2000]: unmapped */ - if (address < 0x2000 && (cpu->env.sr & SR_SM)) { - *physical = address; - *prot = PAGE_READ | PAGE_WRITE; - return ret; - } - if (rw == 2) { /* ITLB */ *physical = 0; ret = cpu->env.tlb->cpu_openrisc_map_address_code(cpu, physical, |