Add prom_itlb_load() and prom_dtlb_load().

2 files changed, 72 insertions, 2 deletions

diff --git a/sys/arch/sparc64/include/sparc64.h b/sys/arch/sparc64/include/sparc64.h
index 701110e9677..021de61cfee 100644
--- a/sys/arch/sparc64/include/sparc64.h
+++ b/sys/arch/sparc64/include/sparc64.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sparc64.h,v 1.8 2008/03/08 15:42:26 kettenis Exp $	*/
+/*	$OpenBSD: sparc64.h,v 1.9 2008/03/19 20:21:01 kettenis Exp $	*/
 /*	$NetBSD: sparc64.h,v 1.3 2000/10/20 05:47:03 mrg Exp $	*/
 
 /*
@@ -50,6 +50,8 @@ paddr_t prom_alloc_phys(int len, int align);
 paddr_t prom_claim_phys(paddr_t phys, int len);
 int prom_free_phys(paddr_t paddr, int len);
 paddr_t prom_get_msgbuf(int len, int align);
+int prom_itlb_load(int index, u_int64_t data, vaddr_t vaddr);
+int prom_dtlb_load(int index, u_int64_t data, vaddr_t vaddr);
 void prom_start_cpu(int cpu, void *func, long arg);
 void prom_start_cpu_by_cpuid(int cpu, void *func, long arg);
 
diff --git a/sys/arch/sparc64/sparc64/ofw_machdep.c b/sys/arch/sparc64/sparc64/ofw_machdep.c
index 4e3f0e1b62d..60482f2fdb9 100644
--- a/sys/arch/sparc64/sparc64/ofw_machdep.c
+++ b/sys/arch/sparc64/sparc64/ofw_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ofw_machdep.c,v 1.24 2008/03/08 15:42:26 kettenis Exp $	*/
+/*	$OpenBSD: ofw_machdep.c,v 1.25 2008/03/19 20:21:01 kettenis Exp $	*/
 /*	$NetBSD: ofw_machdep.c,v 1.16 2001/07/20 00:07:14 eeh Exp $	*/
 
 /*
@@ -563,6 +563,74 @@ prom_get_msgbuf(len, align)
 	return addr; /* Kluge till we go 64-bit */
 }
 
+int
+prom_itlb_load(int index, u_int64_t data, vaddr_t vaddr)
+{
+	static struct {
+		cell_t name;
+		cell_t nargs;
+		cell_t nreturns;
+		cell_t method;
+		cell_t ihandle;
+		cell_t vaddr;
+		cell_t data;
+		cell_t index;
+		cell_t status;
+	} args;
+
+	if (mmuh == -1 && ((mmuh = get_mmu_handle()) == -1)) {
+		prom_printf("prom_itlb_load: cannot get mmuh\r\n");
+		return 0;
+	}
+	args.name = ADR2CELL("call-method");
+	args.nargs = 5;
+	args.nreturns = 1;
+	args.method = ADR2CELL("SUNW,itlb-load");
+	args.ihandle = HDL2CELL(mmuh);
+	args.vaddr = ADR2CELL(vaddr);
+	args.data = data;
+	args.index = index;
+	if(openfirmware(&args) == -1)
+		return -1;
+	if (args.status)
+		return -1;
+	return 0;
+}
+
+int
+prom_dtlb_load(int index, u_int64_t data, vaddr_t vaddr)
+{
+	static struct {
+		cell_t name;
+		cell_t nargs;
+		cell_t nreturns;
+		cell_t method;
+		cell_t ihandle;
+		cell_t vaddr;
+		cell_t data;
+		cell_t index;
+		cell_t status;
+	} args;
+
+	if (mmuh == -1 && ((mmuh = get_mmu_handle()) == -1)) {
+		prom_printf("prom_itlb_load: cannot get mmuh\r\n");
+		return 0;
+	}
+	args.name = ADR2CELL("call-method");
+	args.nargs = 5;
+	args.nreturns = 1;
+	args.method = ADR2CELL("SUNW,dtlb-load");
+	args.ihandle = HDL2CELL(mmuh);
+	args.vaddr = ADR2CELL(vaddr);
+	args.data = data;
+	args.index = index;
+	if(openfirmware(&args) == -1)
+		return -1;
+	if (args.status)
+		return -1;
+	return 0;
+}
+
 #ifdef MULTIPROCESSOR
 /*
  * Start secondary cpu, arrange 'func' as the entry.