Commit 8daf1781 authored by Thomas Monjalon's avatar Thomas Monjalon Committed by Aurelien Jarno
Browse files

target-ppc: better support of e300 CPU core 



Declare HID2 register.

Use high BATs for e300 (8 instead of 4).

Fix index of high BATs registers.
Before the fix, IBAT4-7 were overwriting IBAT0-3.

Signed-off-by: default avatarFrançois Armand <francois.armand@os4i.com>
Signed-off-by: default avatarAurelien Jarno <aurelien@aurel32.net>
parent dcc65026

target-ppc/translate_init.c

+8 −2
Original line number Diff line number Diff line
@@ -233,7 +233,7 @@ static void spr_write_ibatu (void *opaque, int sprn, int gprn) 


static void spr_write_ibatu_h (void *opaque, int sprn, int gprn)

{

    TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT4U) / 2);

    TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_IBAT4U) / 2) + 4);

    gen_helper_store_ibatu(t0, cpu_gpr[gprn]);

    tcg_temp_free_i32(t0);

}
@@ -247,7 +247,7 @@ static void spr_write_ibatl (void *opaque, int sprn, int gprn) 


static void spr_write_ibatl_h (void *opaque, int sprn, int gprn)

{

    TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT4L) / 2);

    TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_IBAT4L) / 2) + 4);

    gen_helper_store_ibatl(t0, cpu_gpr[gprn]);

    tcg_temp_free_i32(t0);

}
@@ -4166,8 +4166,14 @@ static void init_proc_e300 (CPUPPCState *env) 
                 SPR_NOACCESS, SPR_NOACCESS,

                 &spr_read_generic, &spr_write_generic,

                 0x00000000);

    /* XXX : not implemented */

    spr_register(env, SPR_HID2, "HID2",

                 SPR_NOACCESS, SPR_NOACCESS,

                 &spr_read_generic, &spr_write_generic,

                 0x00000000);

    /* Memory management */

    gen_low_BATs(env);

    gen_high_BATs(env);

    gen_6xx_7xx_soft_tlb(env, 64, 2);

    init_excp_603(env);

    env->dcache_line_size = 32;