Hi, I have discovered that MIPS hardware page table walker is not enabled for any CPU currently available. In this patch I have enable it (and also CMGCR feature) for P5600 which supports both but they are not enabled.
This is my first patch to QEMU, I hope it is well formatted and correct. Signed-off-by: Andrea Oliveri <oliveriand...@gmail.com> diff --git a/target/mips/translate_init.inc.c b/target/mips/translate_init.inc.c index 6d145a905a..482cfe2123 100644 --- a/target/mips/translate_init.inc.c +++ b/target/mips/translate_init.inc.c @@ -366,7 +366,7 @@ const mips_def_t mips_defs[] = }, { /* FIXME: - * Config3: CMGCR, PW, VZ, CTXTC, CDMM, TL + * Config3: VZ, CTXTC, CDMM, TL * Config4: MMUExtDef * Config5: MRP * FIR(FCR0): Has2008 @@ -380,10 +380,11 @@ const mips_def_t mips_defs[] = (2 << CP0C1_DS) | (4 << CP0C1_DL) | (3 << CP0C1_DA) | (1 << CP0C1_PC) | (1 << CP0C1_FP), .CP0_Config2 = MIPS_CONFIG2, - .CP0_Config3 = MIPS_CONFIG3 | (1U << CP0C3_M) | (1 << CP0C3_MSAP) | + .CP0_Config3 = MIPS_CONFIG3 | (1U << CP0C3_M) | + (1 << CP0C3_CMGCR) | (1 << CP0C3_MSAP) | (1 << CP0C3_BP) | (1 << CP0C3_BI) | (1 << CP0C3_SC) | - (1 << CP0C3_ULRI) | (1 << CP0C3_RXI) | (1 << CP0C3_LPA) | - (1 << CP0C3_VInt), + (1 << CP0C3_PW) | (1 << CP0C3_ULRI) | (1 << CP0C3_RXI) | + (1 << CP0C3_LPA) | (1 << CP0C3_VInt), .CP0_Config4 = MIPS_CONFIG4 | (1U << CP0C4_M) | (2 << CP0C4_IE) | (0x1c << CP0C4_KScrExist), .CP0_Config4_rw_bitmask = 0,