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Re: [PATCH 6/9] hw/arm/aspeed_ast10x0: Map HACE peripheral
From: |
Peter Delevoryas |
Subject: |
Re: [PATCH 6/9] hw/arm/aspeed_ast10x0: Map HACE peripheral |
Date: |
Fri, 30 Dec 2022 12:23:41 -0800 |
On Fri, Dec 30, 2022 at 09:13:29AM +0100, Philippe Mathieu-Daudé wrote:
> On 29/12/22 21:52, Peter Delevoryas wrote:
> > On Thu, Dec 29, 2022 at 04:23:22PM +0100, Philippe Mathieu-Daudé wrote:
> > > Since I don't have access to the datasheet, the relevant
> > > values were found in:
> > > https://github.com/AspeedTech-BMC/zephyr/blob/v00.01.08/dts/arm/aspeed/ast10x0.dtsi
> > >
> > > Before on Zephyr:
> > >
> > > uart:~$ crypto aes256_cbc_vault
> > > aes256_cbc vault key 1
> > > [00:00:06.699,000] <inf> hace_global: aspeed_crypto_session_setup
> > > [00:00:06.699,000] <inf> hace_global: data->cmd: 1c2098
> > > [00:00:06.699,000] <inf> hace_global: crypto_data_src: 93340
> > > [00:00:06.699,000] <inf> hace_global: crypto_data_dst: 93348
> > > [00:00:06.699,000] <inf> hace_global: crypto_ctx_base: 93300
> > > [00:00:06.699,000] <inf> hace_global: crypto_data_len: 80000040
> > > [00:00:06.699,000] <inf> hace_global: crypto_cmd_reg: 11c2098
> > > [00:00:09.743,000] <inf> hace_global: HACE_STS: 0
> > > [00:00:09.743,000] <err> hace_global: HACE poll timeout
> > > [00:00:09.743,000] <err> crypto: CBC mode ENCRYPT - Failed
> > > [00:00:09.743,000] <inf> hace_global: aspeed_crypto_session_free
> > > uart:~$
> > >
> > > After:
> > >
> > > uart:~$ crypto aes256_cbc_vault
> > > aes256_cbc vault key 1
> > > Was waiting for:
> > > 6b c1 be e2 2e 40 9f 96 e9 3d 7e 11 73 93 17 2a
> > > ae 2d 8a 57 1e 03 ac 9c 9e b7 6f ac 45 af 8e 51
> > > 30 c8 1c 46 a3 5c e4 11 e5 fb c1 19 1a 0a 52 ef
> > > f6 9f 24 45 df 4f 9b 17 ad 2b 41 7b e6 6c 37 10
> > >
> > > But got:
> > > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> > > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> > > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> > > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> > >
> > > [00:00:05.771,000] <inf> hace_global: aspeed_crypto_session_setup
> > > [00:00:05.772,000] <inf> hace_global: data->cmd: 1c2098
> > > [00:00:05.772,000] <inf> hace_global: crypto_data_src: 93340
> > > [00:00:05.772,000] <inf> hace_global: crypto_data_dst: 93348
> > > [00:00:05.772,000] <inf> hace_global: crypto_ctx_base: 93300
> > > [00:00:05.772,000] <inf> hace_global: crypto_data_len: 80000040
> > > [00:00:05.772,000] <inf> hace_global: crypto_cmd_reg: 11c2098
> > > [00:00:05.772,000] <inf> hace_global: HACE_STS: 1000
> > > [00:00:05.772,000] <inf> crypto: Output length (encryption): 80
> > > [00:00:05.772,000] <inf> hace_global: aspeed_crypto_session_free
> > > [00:00:05.772,000] <inf> hace_global: aspeed_crypto_session_setup
> > > [00:00:05.772,000] <inf> hace_global: data->cmd: 1c2018
> > > [00:00:05.772,000] <inf> hace_global: crypto_data_src: 93340
> > > [00:00:05.772,000] <inf> hace_global: crypto_data_dst: 93348
> > > [00:00:05.772,000] <inf> hace_global: crypto_ctx_base: 93300
> > > [00:00:05.772,000] <inf> hace_global: crypto_data_len: 80000040
> > > [00:00:05.772,000] <inf> hace_global: crypto_cmd_reg: 11c2018
> > > [00:00:05.772,000] <inf> hace_global: HACE_STS: 1000
> > > [00:00:05.772,000] <inf> crypto: Output length (decryption): 64
> > > [00:00:05.772,000] <err> crypto: CBC mode DECRYPT - Mismatch between
> > > plaintext and decrypted cipher text
> > > [00:00:05.774,000] <inf> hace_global: aspeed_crypto_session_free
> > > uart:~$
> > >
> > > Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> >
> > Awesome!
> >
> > Reviewed-by: Peter Delevoryas <peter@pjd.dev>
> >
> > > ---
> > > Should we rename HACE 'dram' as 'secram' / 'secure-ram'?
> >
> > Sure, sounds good to me.
> >
> > > ---
> > > hw/arm/aspeed_ast10x0.c | 15 +++++++++++++++
> > > 1 file changed, 15 insertions(+)
> > >
> > > diff --git a/hw/arm/aspeed_ast10x0.c b/hw/arm/aspeed_ast10x0.c
> > > index 21a2e62345..02636705b6 100644
> > > --- a/hw/arm/aspeed_ast10x0.c
> > > +++ b/hw/arm/aspeed_ast10x0.c
> > > @@ -29,6 +29,7 @@ static const hwaddr aspeed_soc_ast1030_memmap[] = {
> > > [ASPEED_DEV_SPI1] = 0x7E630000,
> > > [ASPEED_DEV_SPI2] = 0x7E640000,
> > > [ASPEED_DEV_UDC] = 0x7E6A2000,
> > > + [ASPEED_DEV_HACE] = 0x7E6D0000,
> > > [ASPEED_DEV_SCU] = 0x7E6E2000,
> > > [ASPEED_DEV_JTAG0] = 0x7E6E4000,
> > > [ASPEED_DEV_JTAG1] = 0x7E6E4100,
> > > @@ -166,6 +167,9 @@ static void aspeed_soc_ast1030_init(Object *obj)
> > > snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname);
> > > object_initialize_child(obj, "gpio", &s->gpio, typename);
> > > + snprintf(typename, sizeof(typename), "aspeed.hace-%s", socname);
> > > + object_initialize_child(obj, "hace", &s->hace, typename);
> > > +
> > > object_initialize_child(obj, "iomem", &s->iomem,
> > > TYPE_UNIMPLEMENTED_DEVICE);
> > > object_initialize_child(obj, "sbc-unimplemented",
> > > &s->sbc_unimplemented,
> > > TYPE_UNIMPLEMENTED_DEVICE);
> > > @@ -359,6 +363,17 @@ static void aspeed_soc_ast1030_realize(DeviceState
> > > *dev_soc, Error **errp)
> > > }
> > > aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sbc), 0,
> > > sc->memmap[ASPEED_DEV_SBC]);
> > > + /* HACE */
> > > + object_property_set_link(OBJECT(&s->hace), "dram",
> > > OBJECT(&s->secsram),
>
> We need to link the SRAM here, not the sec-SRAM.
Nice catch 😅
>
> Doing so the hash test works:
>
> uart:~$ hash test
> sha256_test
> tv[0]:PASS
> tv[1]:PASS
> tv[2]:PASS
> tv[3]:PASS
> tv[4]:PASS
> sha384_test
> tv[0]:PASS
> tv[1]:PASS
> tv[2]:PASS
> tv[3]:PASS
> tv[4]:PASS
> tv[5]:PASS
> sha512_test
> tv[0]:PASS
> tv[1]:PASS
> tv[2]:PASS
> tv[3]:PASS
> tv[4]:PASS
> tv[5]:PASS
> uart:~$
>
> rsa / aes256_cbc tests still fail.
>
Oh nice!!