On Tue, May 15, 2012 at 01:09:44AM -0400, David Miller wrote: > > It's the one aberration in v8, the only cpu that > didn't actually have hardware multiply and divide > instructions. > > Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> > --- > > I'm tempted to push this. > > Sam, what's your take on it? I do not know of anyone using a working sun4m box with Cypress, but then I do not know that many with SUN hw anyway. We have started to get rid of the ancient sparc32 stuff and I am in favour of also killing support for Cypress. The message is then simple: - we have dropped support for sun4c and the old Cypress based SPARC chips. My take is that we shall try to adapt the kernel to the latest chip revisions / platfroms. And then keep support for the relevant older platfroms, while not sacrifying the hackability of the kernel. In other words the prime chip / platform is LEON, and the older platform we shall support is sun4d and sun4m. Regarding hackability what we did the last week helped a lot! > arch/sparc/include/asm/cypress.h | 79 --------- > arch/sparc/include/asm/elf_32.h | 12 +- > arch/sparc/include/asm/mbus.h | 4 - > arch/sparc/kernel/head_32.S | 15 -- > arch/sparc/kernel/irq_32.c | 11 -- > arch/sparc/mm/srmmu.c | 333 +------------------------------------- > 6 files changed, 5 insertions(+), 449 deletions(-) I had hoped to see more code gone with Cypress. - kernel/muldiv.c - lib/mul.S/umul.S etc. - PATCH_IT() stuff in head_32.S - "-mcpu=v8" in top-level Makefile Partly on the todo list I assume. Other parts may not be Cypress specific? Anyway - you can add my: Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx> Sam -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
