kernel.git/arch/sparc64/kernel/head.S, branch linux-2.6.19.y

[SPARC64]: Make sure IRQs are disabled properly during early boot.

2006-07-15T00:00:21Z

Else we trigger the new irqs_disable() assertion in start_kernel(). Signed-off-by: David S. Miller

Remove obsolete #include

2006-06-30T17:25:36Z

Signed-off-by: Jörn Engel Signed-off-by: Adrian Bunk

[SPARC64]: Make smp_processor_id() functional before start_kernel()

2006-05-31T08:24:02Z

Uses of smp_processor_id() get pushed earlier and earlier in the start_kernel() sequence. So just get it working before we call start_kernel() to avoid all possible problems. Signed-off-by: David S. Miller

[SPARC64]: Put syscall tables after trap table.

2006-03-20T09:13:59Z

Otherwise with too much stuff enabled in the kernel config we can end up with an unaligned trap table. Signed-off-by: David S. Miller

[SPARC64]: Niagara optimized memset/bzero/clear_user.

2006-03-20T09:13:50Z

Signed-off-by: David S. Miller

[SPARC64]: Fix sun4v early bootup.

2006-03-20T09:12:21Z

prom_sun4v_name should be "sun4v" not "SUNW,sun4v" Also, this is too early to make use of the .sun4v_Xinsn_patch code patching, so just check things manually. This gets us at least to prom_init() on Niagara. Signed-off-by: David S. Miller

[SPARC64]: Use ASI_SCRATCHPAD address 0x0 properly.

2006-03-20T09:12:15Z

This is where the virtual address of the fault status area belongs. To set it up we don't make a hypervisor call, instead we call OBP's SUNW,set-trap-table with the real address of the fault status area as the second argument. And right before that call we write the virtual address into ASI_SCRATCHPAD vaddr 0x0. Signed-off-by: David S. Miller

[SPARC64]: Detect sun4v early in boot process.

2006-03-20T09:12:03Z

We look for "SUNW,sun4v" in the 'compatible' property of the root OBP device tree node. Protect every %ver register access, to make sure it is not touched on sun4v, as %ver is hyperprivileged there. Lock kernel TLB entries using hypervisor calls instead of calls into OBP. Signed-off-by: David S. Miller

[SPARC64]: Sun4v interrupt handling.

2006-03-20T09:12:01Z

Sun4v has 4 interrupt queues: cpu, device, resumable errors, and non-resumable errors. A set of head/tail offset pointers help maintain a work queue in physical memory. The entries are 64-bytes in size. Each queue is allocated then registered with the hypervisor as we bring cpus up. The two error queues each get a kernel side buffer that we use to quickly empty the main interrupt queue before we call up to C code to log the event and possibly take evasive action. Signed-off-by: David S. Miller

[SPARC64]: Patch up mmu context register writes for sun4v.

2006-03-20T09:11:56Z

sun4v uses ASI_MMU instead of ASI_DMMU Signed-off-by: David S. Miller