Commit: 71ed30b7d4c7bc7d8069eba601d7384e378f3024 - qemu (git)

Commit MetaInfo

• Revision: 71ed30b7d4c7bc7d8069eba601d7384e378f3024 (tree)
• Zeit: 2021-08-25 20:02:14
• Autor: Philippe Mathieu-Daudé <f4bug@amsa...>
• Commiter: Philippe Mathieu-Daudé

Log Message

target/mips: Allow Loongson 3A1000 to use up to 48-bit VAddr

Per the manual '龙芯 GS264 处理器核用户手册' v1.0, chapter
1.1.5 SEGBITS: the 3A1000 (based on GS464 core) implements
48 virtual address bits in each 64-bit segment, not 40.

Fixes: af868995e1b ("target/mips: Add Loongson-3 CPU definition")
Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
Reviewed-by: Huacai Chen <[e-mail]>
Message-Id: <[e-mail]>

Ändern Zusammenfassung

• modified: target/mips/cpu-defs.c.inc

Diff

--- a/target/mips/cpu-defs.c.inc
+++ b/target/mips/cpu-defs.c.inc
@@ -828,7 +828,7 @@ const mips_def_t mips_defs[] =
                     (0x1 << FCR0_D) | (0x1 << FCR0_S),
         .CP1_fcr31 = 0,
         .CP1_fcr31_rw_bitmask = 0xFF83FFFF,
-        .SEGBITS = 42,
+        .SEGBITS = 48,
         .PABITS = 48,
         .insn_flags = CPU_MIPS64R2 | INSN_LOONGSON3A |
                       ASE_LMMI | ASE_LEXT,