On Fri, Jul 13, 2018 at 5:51 AM, Hesham Almatary <heshamelmat...@gmail.com> wrote: > On Thu, Jul 12, 2018 at 9:44 PM, Sebastian Huber > <sebastian.hu...@embedded-brains.de> wrote: >> ----- Am 6. Jul 2018 um 16:35 schrieb Hesham Almatary >> heshamelmat...@gmail.com: >> >>> On Fri, Jun 29, 2018 at 10:57 AM, Sebastian Huber <s...@rtems.org> wrote: >>>> Module: rtems >>>> Branch: master >>>> Commit: c558cc4b00f00b6746eec3a249a7a79995cea7cf >>>> Changeset: >>>> http://git.rtems.org/rtems/commit/?id=c558cc4b00f00b6746eec3a249a7a79995cea7cf >>>> >>>> Author: Sebastian Huber <sebastian.hu...@embedded-brains.de> >>>> Date: Thu Jun 28 13:04:58 2018 +0200 >>>> >>>> bsp/riscv: Fix vector table for lp64 >>>> >>>> Update #3433. >>>> >>>> --- >>>> >>>> bsps/riscv/riscv/start/start.S | 38 ++++++++++++++++++++++---------------- >>>> 1 file changed, 22 insertions(+), 16 deletions(-) >>>> >>>> diff --git a/bsps/riscv/riscv/start/start.S >>>> b/bsps/riscv/riscv/start/start.S >>>> index b59e55f..390459a 100644 >>>> --- a/bsps/riscv/riscv/start/start.S >>>> +++ b/bsps/riscv/riscv/start/start.S >>>> @@ -104,22 +104,28 @@ SYM(_start): >>>> .word 0xdeadbeef >>>> #endif >>>> >>>> +#if __riscv_xlen == 32 >>>> +#define ADDR .word >>>> +#elif __riscv_xlen == 64 >>>> +#define ADDR .quad >>> Out of curirosity, why is it .quad and not .dword? >> >> I cannot find a .dword in the GNU as documentation. > Right. I didn't know this. It's just in the RISC-V assembly book [1]. > Just got confused thinking .quad is 128-bit as I haven't used it > before. >
This is for historical reasons. It used to be word meant 16 bits, and dword 32, with quad 64. Now we commonly say word is 32 bits, but quad kept its original meaning. > [1] https://github.com/riscv/riscv-asm-manual/blob/master/riscv-asm.md > > > -- > Hesham > _______________________________________________ > devel mailing list > devel@rtems.org > http://lists.rtems.org/mailman/listinfo/devel _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
