Message ID | 20220202103023.788916-1-ysato@users.sourceforge.jp |
---|---|
State | New |
Headers | show |
Series | [v2] hw/rx: rx-gdbsim DTB load address aligned of 16byte. | expand |
On Wed, 02 Feb 2022 21:46:22 +0900, Philippe Mathieu-Daudé via wrote: > > On 2/2/22 11:30, Yoshinori Sato wrote: > > Linux kernel required alined address of DTB. > > But missing align in dtb load function. > > Fixed to load to the correct address. > > > > v2 changes. > > Use ROUND_DOWN macro. > > > > Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> > > Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> > > --- > > hw/rx/rx-gdbsim.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/hw/rx/rx-gdbsim.c b/hw/rx/rx-gdbsim.c > > index 75d1fec6ca..2356af83a0 100644 > > --- a/hw/rx/rx-gdbsim.c > > +++ b/hw/rx/rx-gdbsim.c > > @@ -142,7 +142,7 @@ static void rx_gdbsim_init(MachineState *machine) > > exit(1); > > } > > /* DTB is located at the end of SDRAM space. */ > > - dtb_offset = machine->ram_size - dtb_size; > > + dtb_offset = ROUND_DOWN(machine->ram_size - dtb_size, 16 - 1); > > Why did you add '-1'? > Oh. I misunderstood. I'll sent v3. Thanks.
diff --git a/hw/rx/rx-gdbsim.c b/hw/rx/rx-gdbsim.c index 75d1fec6ca..2356af83a0 100644 --- a/hw/rx/rx-gdbsim.c +++ b/hw/rx/rx-gdbsim.c @@ -142,7 +142,7 @@ static void rx_gdbsim_init(MachineState *machine) exit(1); } /* DTB is located at the end of SDRAM space. */ - dtb_offset = machine->ram_size - dtb_size; + dtb_offset = ROUND_DOWN(machine->ram_size - dtb_size, 16 - 1); rom_add_blob_fixed("dtb", dtb, dtb_size, SDRAM_BASE + dtb_offset); /* Set dtb address to R1 */