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/*
* QEMU MIPS address translation support
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "cpu.h"
static int mips_um_ksegs;
uint64_t cpu_mips_kseg0_to_phys(void *opaque, uint64_t addr)
{
return addr & 0x1fffffffll;
}
uint64_t cpu_mips_phys_to_kseg0(void *opaque, uint64_t addr)
{
return addr | ~0x7fffffffll;
}
uint64_t cpu_mips_kvm_um_phys_to_kseg0(void *opaque, uint64_t addr)
{
return addr | 0x40000000ll;
}
uint64_t cpu_mips_kseg1_to_phys(void *opaque, uint64_t addr)
{
return addr & 0x1fffffffll;
}
uint64_t cpu_mips_phys_to_kseg1(void *opaque, uint64_t addr)
{
return (addr & 0x1fffffffll) | 0xffffffffa0000000ll;
}
bool mips_um_ksegs_enabled(void)
{
return mips_um_ksegs;
}
void mips_um_ksegs_enable(void)
{
mips_um_ksegs = 1;
}
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