Cédric Le Goater <c...@kaod.org> writes:
> The 602 was derived from the PowerPC 603, for the gaming market it
> seems. It was hardly used and no firmware supporting the CPU could be
> found. Drop support.
>
> Signed-off-by: Cédric Le Goater <c...@kaod.org>
> ---
> target/ppc/cpu-models.h | 1 -
> target/ppc/cpu.h | 2 -
> target/ppc/helper.h | 1 -
> target/ppc/cpu-models.c | 2 -
> target/ppc/cpu_init.c | 145 -----------------------------------
> target/ppc/excp_helper.c | 1 -
> target/ppc/int_helper.c | 21 -----
> target/ppc/mfrom_table_gen.c | 34 --------
> target/ppc/translate.c | 30 --------
> target/ppc/mfrom_table.c.inc | 78 -------------------
> 10 files changed, 315 deletions(-)
> delete mode 100644 target/ppc/mfrom_table_gen.c
> delete mode 100644 target/ppc/mfrom_table.c.inc
>
> diff --git a/target/ppc/cpu-models.h b/target/ppc/cpu-models.h
> index bf1dc7e5ca3d..612978a3fbd2 100644
> --- a/target/ppc/cpu-models.h
> +++ b/target/ppc/cpu-models.h
> @@ -208,7 +208,6 @@ enum {
> CPU_POWERPC_601_v0 = 0x00010001,
> CPU_POWERPC_601_v1 = 0x00010001,
> CPU_POWERPC_601_v2 = 0x00010002,
> - CPU_POWERPC_602 = 0x00050100,
> CPU_POWERPC_603 = 0x00030100,
> CPU_POWERPC_603E_v11 = 0x00060101,
> CPU_POWERPC_603E_v12 = 0x00060102,
> diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
> index 66e13075c3df..b9119479958c 100644
> --- a/target/ppc/cpu.h
> +++ b/target/ppc/cpu.h
In cpu.h you could probably remove the MSR_AP and MSR_SA bit definitions
as well. And the code in ppc_cpu_reset that sets them.
> @@ -2142,8 +2142,6 @@ enum {
> PPC_MFTB = 0x0000000000000200ULL,
>
> /* Fixed-point unit extensions
> */
> - /* PowerPC 602 specific
> */
> - PPC_602_SPEC = 0x0000000000000400ULL,
> /* isel instruction
> */
> PPC_ISEL = 0x0000000000000800ULL,
> /* popcntb instruction
> */
...
> diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
> index 9bc327bcba5a..d7765fd3e3d8 100644
> --- a/target/ppc/int_helper.c
> +++ b/target/ppc/int_helper.c
> @@ -488,27 +488,6 @@ target_ulong helper_divso(CPUPPCState *env, target_ulong
> arg1,
> }
> }
>
> -/*****************************************************************************/
> -/* 602 specific instructions */
> -/* mfrom is the most crazy instruction ever seen, imho ! */
How do you have the heart to remove the "most crazy instruction ever
seen"?
> -/* Real implementation uses a ROM table. Do the same */
> -/*
> - * Extremely decomposed:
> - * -arg / 256
> - * return 256 * log10(10 + 1.0) + 0.5
> - */
> -#if !defined(CONFIG_USER_ONLY)
> -target_ulong helper_602_mfrom(target_ulong arg)
> -{
> - if (likely(arg < 602)) {
> -#include "mfrom_table.c.inc"
> - return mfrom_ROM_table[arg];
> - } else {
> - return 0;
> - }
> -}
> -#endif
