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authorMichael Shalayeff <mickey@cvs.openbsd.org>1997-07-05 19:29:52 +0000
committerMichael Shalayeff <mickey@cvs.openbsd.org>1997-07-05 19:29:52 +0000
commitd765b69f80f5f0b56118a607c3e1fc96f05a39f0 (patch)
treec4a3b1ce7bf3a4e596b1ac992252457907b805a2 /sys
parentd4948b54d83e727dde2e27300563b99eb1d3a309 (diff)
implement unimplemented.....
implement unimplemented..... implement unimplemented..... in cc -S it looks like it should.... in cc -S it looks like it should.... in cc -S it looks like it should....
Diffstat (limited to 'sys')
-rw-r--r--sys/arch/i386/include/bus.h215
1 files changed, 209 insertions, 6 deletions
diff --git a/sys/arch/i386/include/bus.h b/sys/arch/i386/include/bus.h
index 0cca2d9e628..e4410efe7ab 100644
--- a/sys/arch/i386/include/bus.h
+++ b/sys/arch/i386/include/bus.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: bus.h,v 1.7 1996/11/28 23:37:38 niklas Exp $ */
+/* $OpenBSD: bus.h,v 1.8 1997/07/05 19:29:51 mickey Exp $ */
/* $NetBSD: bus.h,v 1.5 1996/10/21 22:26:19 thorpej Exp $ */
/*
@@ -449,23 +449,151 @@ void bus_space_free __P((bus_space_tag_t t, bus_space_handle_t bsh,
/*
* void bus_space_set_multi_N __P((bus_space_tag_t tag,
- * bus_space_handle_t bsh, u_intN_t val, size_t count));
+ * bus_space_handle_t bsh, bus_size_t offset,
+ * u_intN_t val, size_t count));
*
* Write the 1, 2, 4, or 8 byte value `val' to bus space described
* by tag/handle/offset `count' times.
*/
- /* XXX IMPLEMENT bus_space_set_multi_N() XXX */
+#define bus_space_set_multi_1(t, h, o, v, c) do { \
+ if ((t) == I386_BUS_SPACE_IO) { \
+ __asm __volatile(" \
+ cld ; \
+ 1: outb %%al,%w0 ; \
+ loop 1b" : \
+ : \
+ "d" ((h) + (o)), "c" ((c)), "a" ((v)) : \
+ "%edx", "%ecx", "%eax"); \
+ } else { \
+ __asm __volatile(" \
+ cld ; \
+ 1: movb %%al,(%0) ; \
+ loop 1b" : \
+ : \
+ "D" ((h) + (o)), "c" ((c)), "a" ((v)) : \
+ "%edi", "%ecx", "%eax"); \
+ } \
+} while (0)
+
+#define bus_space_set_multi_2(t, h, o, v, c) do { \
+ if ((t) == I386_BUS_SPACE_IO) { \
+ __asm __volatile(" \
+ cld ; \
+ 1: outw %%ax,%w0 ; \
+ loop 1b" : \
+ : \
+ "d" ((h) + (o)), "c" ((c)), "a" ((v)) : \
+ "%edx", "%ecx", "%eax"); \
+ } else { \
+ __asm __volatile(" \
+ cld ; \
+ 1: movw %%ax,(%0) ; \
+ loop 1b" : \
+ : \
+ "D" ((h) + (o)), "c" ((c)), "a" ((v)) : \
+ "%edi", "%ecx", "%eax"); \
+ } \
+} while (0)
+
+#define bus_space_set_multi_4(t, h, o, v, c) do { \
+ if ((t) == I386_BUS_SPACE_IO) { \
+ __asm __volatile(" \
+ cld ; \
+ 1: outl %%eax,%w0 ; \
+ loop 1b" : \
+ : \
+ "d" ((h) + (o)), "c" ((c)), "a" ((v)) : \
+ "%edx", "%ecx", "%eax"); \
+ } else { \
+ __asm __volatile(" \
+ cld ; \
+ 1: movl %%eax,(%0) ; \
+ loop 1b" : \
+ : \
+ "D" ((h) + (o)), "c" ((c)), "a" ((v)) : \
+ "%edi", "%ecx", "%eax"); \
+ } \
+} while (0)
+
+#if 0 /* Cause a link error for bus_space_set_region_8 */
+#define bus_space_set_multi_8 \
+ !!! bus_space_set_multi_8 unimplemented !!!
+#endif
/*
* void bus_space_set_region_N __P((bus_space_tag_t tag,
- * bus_space_handle_t bsh, u_intN_t val, size_t count));
+ * bus_space_handle_t bsh, bus_size_t offset,
+ * u_intN_t val, size_t count));
*
* Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
* by tag/handle starting at `offset'.
*/
- /* XXX IMPLEMENT bus_space_set_region_N() XXX */
+#define bus_space_set_region_1(t, h, o, v, c) do { \
+ if ((t) == I386_BUS_SPACE_IO) { \
+ __asm __volatile(" \
+ 1: outb %%al,%w0 ; \
+ incl %0 ; \
+ loop 1b" : \
+ : \
+ "d" ((h) + (o)), "c" ((c)), "a" ((v)) : \
+ "%edx", "%ecx", "%eax"); \
+ } else { \
+ __asm __volatile(" \
+ cld ; \
+ repne ; \
+ stosb" : \
+ : \
+ "D" ((h) + (o)), "c" ((c)), "a" ((v)) : \
+ "%edi", "%ecx", "%eax", "memory"); \
+ } \
+} while (0)
+
+#define bus_space_set_region_2(t, h, o, v, c) do { \
+ if ((t) == I386_BUS_SPACE_IO) { \
+ __asm __volatile(" \
+ 1: outw %%ax,%w0 ; \
+ addl $2, %0 ; \
+ loop 1b" : \
+ : \
+ "d" ((h) + (o)), "c" ((c)), "a" ((v)) : \
+ "%edx", "%ecx", "%eax"); \
+ } else { \
+ __asm __volatile(" \
+ cld ; \
+ repne ; \
+ stosw" : \
+ : \
+ "D" ((h) + (o)), "c" ((c)), "a" ((v)) : \
+ "%edi", "%ecx", "%eax", "memory"); \
+ } \
+} while (0)
+
+#define bus_space_set_region_4(t, h, o, v, c) do { \
+ if ((t) == I386_BUS_SPACE_IO) { \
+ __asm __volatile(" \
+ 1: outl %%eax,%w0 ; \
+ addl $4, %0 ; \
+ loop 1b" : \
+ : \
+ "d" ((h) + (o)), "c" ((c)), "a" ((v)) : \
+ "%edx", "%ecx", "%eax"); \
+ } else { \
+ __asm __volatile(" \
+ cld ; \
+ repne ; \
+ stosl" : \
+ : \
+ "D" ((h) + (o)), "c" ((c)), "a" ((v)) : \
+ "%edi", "%ecx", "%eax", "memory"); \
+ } \
+} while (0)
+
+#if 0 /* Cause a link error for bus_space_set_region_8 */
+#define bus_space_set_region_8 \
+ !!! bus_space_set_region_8 unimplemented !!!
+#endif
/*
* void bus_space_copy_N __P((bus_space_tag_t tag,
@@ -477,7 +605,82 @@ void bus_space_free __P((bus_space_tag_t t, bus_space_handle_t bsh,
* at tag/bsh1/off1 to bus space starting at tag/bsh2/off2.
*/
- /* XXX IMPLEMENT bus_space_copy_N() XXX */
+#define bus_space_copy_1(t, h1, o1, h2, o2, c) do { \
+ if ((t) == I386_BUS_SPACE_IO) { \
+ __asm __volatile(" \
+ 1: movl %w1,%%dx ; \
+ inb %%dx,%%al ; \
+ movl %w0,%%dx ; \
+ outl %%al,%%dx ; \
+ incl %0 ; \
+ incl %1 ; \
+ loop 1b" : \
+ : \
+ "D" ((h2)+(o2)), "S" ((h1)+(o1)), "c" ((c)) : \
+ "%edi", "%esi", "%ecx", "%edx", "%eax", "memory"); \
+ } else { \
+ __asm __volatile(" \
+ cld ; \
+ repne ; \
+ movsb" : \
+ : \
+ "D" ((h2)+(o2)), "S" ((h1)+(o1)), "c" ((c)) : \
+ "%edi", "%esi", "%ecx", "memory"); \
+ } \
+} while (0)
+
+#define bus_space_copy_2(t, h1, o1, h2, o2, c) do { \
+ if ((t) == I386_BUS_SPACE_IO) { \
+ __asm __volatile(" \
+ 1: movl %w1,%%dx ; \
+ inw %%dx,%%ax ; \
+ movl %w0,%%dx ; \
+ outw %%ax,%%dx ; \
+ addl $2, %0 ; \
+ addl $2, %1 ; \
+ loop 1b" : \
+ : \
+ "D" ((h2)+(o2)), "S" ((h1)+(o1)), "c" ((c)) : \
+ "%edi", "%esi", "%ecx", "%edx", "%eax", "memory"); \
+ } else { \
+ __asm __volatile(" \
+ cld ; \
+ repne ; \
+ movsw" : \
+ : \
+ "D" ((h2)+(o2)), "S" ((h1)+(o1)), "c" ((c)) : \
+ "%edi", "%esi", "%ecx", "memory"); \
+ } \
+} while (0)
+
+#define bus_space_copy_4(t, h1, o1, h2, o2, c) do { \
+ if ((t) == I386_BUS_SPACE_IO) { \
+ __asm __volatile(" \
+ 1: movl %w1,%%dx ; \
+ inl %%dx,%%eax ; \
+ movl %w0,%%dx ; \
+ outl %%eax,%%dx ; \
+ addl $4, %0 ; \
+ addl $4, %1 ; \
+ loop 1b" : \
+ : \
+ "D" ((h2)+(o2)), "S" ((h1)+(o1)), "c" ((c)) : \
+ "%edi", "%esi", "%ecx", "%edx", "%eax", "memory"); \
+ } else { \
+ __asm __volatile(" \
+ cld ; \
+ repne ; \
+ movsl" : \
+ : \
+ "D" ((h2)+(o2)), "S" ((h1)+(o1)), "c" ((c)) : \
+ "%edi", "%esi", "%ecx", "memory"); \
+ } \
+} while (0)
+
+#if 0 /* Cause a link error for bus_space_copy_region_8 */
+#define bus_space_copy_8 \
+ !!! bus_space_copy_8 unimplemented !!!
+#endif
/*
* Bus read/write barrier methods.