OpenBIOS July 2016

openbios@openbios.org

5 participants
14 discussions

OpenBIOS SVN repository migration to github complete
by Mark Cave-Ayland 11 Jul '16

11 Jul '16

Hi all, After several weeks of planning, I'm pleased to announce that the official OpenBIOS repository has now been moved from SVN on coreboot.org over to the OpenBIOS project on github.com: https://github.com/openbios I've been through the OpenBIOS wiki and updated the links (and some of the text) at http://www.openfirmware.info/OpenBIOS to point towards the github repository, although for the moment the wiki and mailing lists will still be hosted on the openfirmware.info domain. For those people who have been using the git-svn mirror of the OpenBIOS repository at git://git.qemu-project.org/openbios.git for development, you will need to manually update any current working branches to point to the updated HEAD. This is because of differences in the metadata between the two git repositories. The basic update procedure for a git.qemu-project.org clone is as follows: 1) git fetch origin # bring in new commits 2) git branch --set-upstream master origin/master # update master to point to new upstream master and then for each branch you wish to bring up to date: 1) git checkout <branch> # switch to the named branch 2) git rebase master # rebase branch onto new HEAD There should be no conflicts since the only differences between the repositories are in the metadata and not the content. Once this is done, you should find that the master HEADs on github and git.qemu-project.org are the same moving forward, so patches/pull requests from either repository can be handled interchangeably. ATB, Mark.

1 0

[PATCH] Ensure saved context pointers in switch_to() for all archs are marked as volatile
by Mark Cave-Ayland 03 Jul '16

03 Jul '16

As discovered with the previous ppc patchset, the saved context pointer must be marked as volatile, otherwise the compiler may decide to optimise away saving the pointer to the local stack. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland(a)ilande.co.uk> --- openbios-devel/arch/amd64/context.c | 5 +++-- openbios-devel/arch/sparc64/context.c | 5 +++-- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/openbios-devel/arch/amd64/context.c b/openbios-devel/arch/amd64/context.c index 2e4df6a..33ab51e 100644 --- a/openbios-devel/arch/amd64/context.c +++ b/openbios-devel/arch/amd64/context.c @@ -97,14 +97,15 @@ init_context(uint8_t *stack, uint32_t stack_size, int num_params) /* Switch to another context. */ struct context *switch_to(struct context *ctx) { - struct context *save, *ret; + volatile struct context *save; + struct context *ret; debug("switching to new context:\n"); save = __context; __context = ctx; asm ("pushl %cs; call __switch_context"); ret = __context; - __context = save; + __context = (struct context *)save; return ret; } diff --git a/openbios-devel/arch/sparc64/context.c b/openbios-devel/arch/sparc64/context.c index 98932ee..823116f 100644 --- a/openbios-devel/arch/sparc64/context.c +++ b/openbios-devel/arch/sparc64/context.c @@ -88,7 +88,8 @@ init_context(uint8_t *stack, uint64_t stack_size, int num_params) /* Switch to another context. */ struct context *switch_to(struct context *ctx) { - struct context *save, *ret; + volatile struct context *save; + struct context *ret; debug("switching to new context: entry point %#llx stack 0x%016llx\n", ctx->pc, ctx->regs[REG_SP]); save = __context; @@ -96,7 +97,7 @@ struct context *switch_to(struct context *ctx) //asm ("pushl %cs; call __switch_context"); asm ("call __switch_context_nosave; nop"); ret = __context; - __context = save; + __context = (struct context *)save; return ret; } -- 1.7.10.4

1 0

[PATCH] SPARC32: add disk:a slice to bootpath when booting from disk
by Mark Cave-Ayland 03 Jul '16

03 Jul '16

Solaris 9 installs its root filesystem into the first logical slice rather than the first physical slice on the disk, so add disk:a to boot-device to attempt a boot from the first logical slice before falling back to the first physical slice as before. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland(a)ilande.co.uk> --- openbios-devel/arch/sparc32/openbios.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/openbios-devel/arch/sparc32/openbios.c b/openbios-devel/arch/sparc32/openbios.c index 6f4ee45..10ac9b9 100644 --- a/openbios-devel/arch/sparc32/openbios.c +++ b/openbios-devel/arch/sparc32/openbios.c @@ -897,7 +897,7 @@ arch_init( void ) push_str("floppy"); break; case 'c': - push_str("disk"); + push_str("disk:a disk"); break; default: case 'd': -- 1.7.10.4

1 0

[PATCH] SPARC32: add disk:d slice to bootpath when booting from disk
by Mark Cave-Ayland 03 Jul '16

03 Jul '16

Solaris 9 installs its bootloader into the slice rather than the disk, so add disk:d to the disk bootpath to enable automatic booting in this case. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland(a)ilande.co.uk> --- openbios-devel/arch/sparc32/openbios.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/openbios-devel/arch/sparc32/openbios.c b/openbios-devel/arch/sparc32/openbios.c index 6f4ee45..a58b3cd 100644 --- a/openbios-devel/arch/sparc32/openbios.c +++ b/openbios-devel/arch/sparc32/openbios.c @@ -897,7 +897,7 @@ arch_init( void ) push_str("floppy"); break; case 'c': - push_str("disk"); + push_str("disk:d disk"); break; default: case 'd': -- 1.7.10.4

1 1