mirror_qemu/target
Alexander Graf 9fcd15b919 arm: tcg: Adhere to SMCCC 1.3 section 5.2
The SMCCC 1.3 spec section 5.2 says

  The Unknown SMC Function Identifier is a sign-extended value of (-1)
  that is returned in the R0, W0 or X0 registers. An implementation must
  return this error code when it receives:

    * An SMC or HVC call with an unknown Function Identifier
    * An SMC or HVC call for a removed Function Identifier
    * An SMC64/HVC64 call from AArch32 state

To comply with these statements, let's always return -1 when we encounter
an unknown HVC or SMC call.

Signed-off-by: Alexander Graf <agraf@csgraf.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-30 13:42:09 +01:00
..
alpha hw/core: Make do_unaligned_access noreturn 2021-09-21 19:36:44 -07:00
arm arm: tcg: Adhere to SMCCC 1.3 section 5.2 2021-09-30 13:42:09 +01:00
avr include/exec: Move cpu_signal_handler declaration 2021-09-21 19:36:44 -07:00
cris include/exec: Move cpu_signal_handler declaration 2021-09-21 19:36:44 -07:00
hexagon include/exec: Move cpu_signal_handler declaration 2021-09-21 19:36:44 -07:00
hppa hw/core: Make do_unaligned_access noreturn 2021-09-21 19:36:44 -07:00
i386 include/exec: Move cpu_signal_handler declaration 2021-09-21 19:36:44 -07:00
m68k include/exec: Move cpu_signal_handler declaration 2021-09-21 19:36:44 -07:00
microblaze hw/core: Make do_unaligned_access noreturn 2021-09-21 19:36:44 -07:00
mips hw/core: Make do_unaligned_access noreturn 2021-09-21 19:36:44 -07:00
nios2 hw/core: Make do_unaligned_access noreturn 2021-09-21 19:36:44 -07:00
openrisc include/exec: Move cpu_signal_handler declaration 2021-09-21 19:36:44 -07:00
ppc hw/core: Make do_unaligned_access noreturn 2021-09-21 19:36:44 -07:00
riscv hw/core: Make do_unaligned_access noreturn 2021-09-21 19:36:44 -07:00
rx include/exec: Move cpu_signal_handler declaration 2021-09-21 19:36:44 -07:00
s390x hw/core: Make do_unaligned_access noreturn 2021-09-21 19:36:44 -07:00
sh4 hw/core: Make do_unaligned_access noreturn 2021-09-21 19:36:44 -07:00
sparc include/exec: Move cpu_signal_handler declaration 2021-09-21 19:36:44 -07:00
tricore include/exec: Move cpu_signal_handler declaration 2021-09-21 19:36:44 -07:00
xtensa hw/core: Make do_unaligned_access noreturn 2021-09-21 19:36:44 -07:00
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