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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: 666347df-0924-49f8-05f8-08d7e579bdce X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Apr 2020 22:25:33.3069 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: J4pj5x7y+cB4IKlfoqGTANpeyLsgwIme1e3HRBgpdULFZphvlcE3HuoSMAbddtKweMjXDoK9zPZuWrFoIYAH4A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR04MB6341 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200420_152537_256937_2BBF4904 X-CRM114-Status: GOOD ( 10.72 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "linux-riscv@lists.infradead.org" , "kernel-team@android.com" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On 2020/04/21 5:29, Palmer Dabbelt wrote:=0A= > On Sun, 12 Apr 2020 18:45:33 PDT (-0700), Damien Le Moal wrote:=0A= >>> On 2020/04/09 1:58, Palmer Dabbelt wrote:=0A= >>> * Builds a table of device trees, keyed by mvendorid/marchid/mimpid. T= his=0A= >>> allows multiple device trees to be built into the kernel. I don't re= ally=0A= >>> like maintaining the two lists (one in C and one in assembly) or havi= ng that=0A= >>> function in the table, but it's the best I could come up with.=0A= >>> * "handles" PMP traps by just skipping the PMP setup phase.=0A= >>>=0A= >>> I don't actually have a K210 so I can't test any of this. I also could= n't find=0A= >>> the K210 identifiers listed anywhere online, so someone will have to di= g them=0A= >>> out of the board.=0A= >>>=0A= >>> I also didn't spend any time thinking through how we free these device = trees,=0A= >>> but given that .dtb.init.rodata already exists as a section I'm just gu= essing=0A= >>> that's were we're supposed to put them.=0A= >>=0A= >> I cannot test anything yet. Something funky is going on with boot objcop= y/Image=0A= >> size: I end up with an Image file (and loader/loader.bin) that are 8.5MB= instead=0A= >> of the 1.4MB I had before pulling in Linus tree. rc1 as of this morning = still=0A= >> shows the same problem. vmlinux is 1.8MB vs 1.9 MB before.=0A= >>=0A= >> To check if my toolchain is broken, I recompiled the 5.6 tree I used for= =0A= >> developing the series and I end up with a loader.bin file of 1.4 MB. All= looking=0A= >> good. But there are changes to the vmlinux elf section headers which lik= ely=0A= >> cause the huge final size I am seeing. Will try to dig into this.=0A= > =0A= > Thanks!=0A= =0A= I sent you fixed patches already. Please review them.=0A= The large image size was due to the strict RWX alignment of elf sections, w= hich=0A= can be disabled for no mmu case since there is no RW protection anyway.=0A= =0A= =0A= -- =0A= Damien Le Moal=0A= Western Digital Research=0A=