xemu/target
Tsukasa OI 0e2c377023 target/riscv: misa to ISA string conversion fix
Some bits in RISC-V `misa' CSR should not be reflected in the ISA
string.  For instance, `S' and `U' (represents existence of supervisor
and user mode, respectively) in `misa' CSR must not be copied since
neither `S' nor `U' are valid single-letter extensions.

This commit also removes all reserved/dropped single-letter "extensions"
from the list.

-   "B": Not going to be a single-letter extension (misa.B is reserved).
-   "J": Not going to be a single-letter extension (misa.J is reserved).
-   "K": Not going to be a single-letter extension (misa.K is reserved).
-   "L": Dropped.
-   "N": Dropped.
-   "T": Dropped.

It also clarifies that the variable `riscv_single_letter_exts' is a
single-letter extension order list.

Signed-off-by: Tsukasa OI <research_trasio@irq.a4lg.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <4a4c11213a161a7eedabe46abe58b351bb0e2ef2.1648473008.git.research_trasio@irq.a4lg.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-04-22 10:35:16 +10:00
..
alpha compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
arm compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
avr exec/translator: Pass the locked filepointer to disas_log hook 2022-04-20 10:51:11 -07:00
cris exec/translator: Pass the locked filepointer to disas_log hook 2022-04-20 10:51:11 -07:00
hexagon compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
hppa compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
i386 compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
m68k exec/translator: Pass the locked filepointer to disas_log hook 2022-04-20 10:51:11 -07:00
microblaze compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
mips compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
nios2 compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
openrisc compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
ppc Misc cleanups 2022-04-21 09:27:54 -07:00
riscv target/riscv: misa to ISA string conversion fix 2022-04-22 10:35:16 +10:00
rx compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
s390x compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
sh4 compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
sparc compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
tricore compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
xtensa compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
Kconfig meson: Introduce target-specific Kconfig 2021-07-09 18:21:34 +02:00
meson.build Drop the deprecated unicore32 target 2021-05-12 18:20:52 +02:00