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Re: target/mips: Enable Hardware page table walker and CMGCR features fo
From: |
Aleksandar Markovic |
Subject: |
Re: target/mips: Enable Hardware page table walker and CMGCR features for P5600 |
Date: |
Thu, 4 Jun 2020 13:57:22 +0200 |
суб, 25. апр 2020. у 20:20 <oliveriandrea@gmail.com> је написао/ла:
>
> 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.
>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Will be applied to the next mips queue.
Sorry for waiting for so long.
Welcome to QEMU development, and please send more contributions!
Aleksandar
> Signed-off-by: Andrea Oliveri <oliveriandrea@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,
>
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