qemu/target/m68k
Laurent Vivier 6abcec3674 target/m68k: implement rtr instruction
This is needed to boot MacOS ROM.

Pull the condition code and the program counter from the stack.

Operation:

    (SP) -> CCR
    SP + 2 -> SP
    (SP) -> PC
    SP + 4 -> SP

This operation is not privileged.

Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210307212552.523552-1-laurent@vivier.eu>
2021-03-11 21:12:32 +01:00
..
cpu-param.h tcg: Split out target/arch/cpu-param.h 2019-06-10 07:03:34 -07:00
cpu-qom.h qom: Remove module_obj_name parameter from OBJECT_DECLARE* macros 2020-09-18 14:12:32 -04:00
cpu.c m68k: add MSP detection support for stack pointer swap helpers 2021-02-11 21:10:01 +01:00
cpu.h m68k: add MSP detection support for stack pointer swap helpers 2021-02-11 21:10:01 +01:00
fpu_helper.c target/m68k: Add vmstate definition for M68kCPU 2020-12-12 18:12:39 +01:00
gdbstub.c gdbstub: extend GByteArray to read register helpers 2020-03-17 17:38:38 +00:00
helper.c target/m68k: Drop use of gdb_get_float64() and ldfq_p() 2021-02-15 09:38:40 +00:00
helper.h target/m68k: implement opcode fetoxm1 2020-06-02 13:59:02 +02:00
m68k-semi.c gdbstub: drop CPUEnv from gdb_exit() 2021-01-18 10:05:06 +00:00
meson.build meson: target 2020-08-21 06:30:35 -04:00
monitor.c hmp: Pass monitor to mon_get_cpu_env() 2020-11-13 12:45:51 +00:00
op_helper.c semihosting: Move include/hw/semihosting/ -> include/semihosting/ 2021-03-10 15:34:12 +00:00
qregs.def
softfloat_fpsp_tables.h m68k comments break patch submission due to being incorrectly formatted 2019-06-26 17:14:39 +02:00
softfloat.c softfloat: merge floatx80_mod and floatx80_rem 2020-06-26 09:39:37 -04:00
softfloat.h softfloat: merge floatx80_mod and floatx80_rem 2020-06-26 09:39:37 -04:00
translate.c target/m68k: implement rtr instruction 2021-03-11 21:12:32 +01:00