| Message ID | 20220108063313.477784-2-richard.henderson@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | tcg/arm: Unaligned access and other cleanup | expand |
On Sat, 8 Jan 2022 at 06:33, Richard Henderson <richard.henderson@linaro.org> wrote: > > Support for unaligned accesses is difficult for pre-v6 hosts. > While debian still builds for armv4, we cannot use a compile > time test, so test the architecture at runtime and error out. > > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> We should remember to put this in the Changelog when this goes into the tree. thanks -- PMM
diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index 9d322cdba6..72b384cc28 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -2474,6 +2474,11 @@ static void tcg_target_init(TCGContext *s) if (pl != NULL && pl[0] == 'v' && pl[1] >= '4' && pl[1] <= '9') { arm_arch = pl[1] - '0'; } + + if (arm_arch < 6) { + error_report("TCG: ARMv%d is unsupported; exiting", arm_arch); + exit(EXIT_FAILURE); + } } tcg_target_available_regs[TCG_TYPE_I32] = ALL_GENERAL_REGS;
Support for unaligned accesses is difficult for pre-v6 hosts. While debian still builds for armv4, we cannot use a compile time test, so test the architecture at runtime and error out. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- tcg/arm/tcg-target.c.inc | 5 +++++ 1 file changed, 5 insertions(+)