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RISC-V: Update address bits to support sv39 and sv48

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Cc: Sagar Karandikar <sagark@eecs.berkeley.edu>
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Alistair Francis <Alistair.Francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Michael Clark 2018-03-06 10:07:30 +13:00 committed by Alistair Francis
parent 19b599f766
commit 718a941e19
1 changed files with 4 additions and 4 deletions
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8
target/riscv/cpu.h
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@ -24,12 +24,12 @@
#define TARGET_PAGE_BITS 12 /* 4 KiB Pages */
#if defined(TARGET_RISCV64)
#define TARGET_LONG_BITS 64
#define TARGET_PHYS_ADDR_SPACE_BITS 50
#define TARGET_VIRT_ADDR_SPACE_BITS 39
#define TARGET_PHYS_ADDR_SPACE_BITS 56 /* 44-bit PPN */
#define TARGET_VIRT_ADDR_SPACE_BITS 48 /* sv48 */
#elif defined(TARGET_RISCV32)
#define TARGET_LONG_BITS 32
#define TARGET_PHYS_ADDR_SPACE_BITS 34
#define TARGET_VIRT_ADDR_SPACE_BITS 32
#define TARGET_PHYS_ADDR_SPACE_BITS 34 /* 22-bit PPN */
#define TARGET_VIRT_ADDR_SPACE_BITS 32 /* sv32 */
#endif
#define TCG_GUEST_DEFAULT_MO 0