* memory location directly.
*/
/* ++roman: The assignments to temp. vars avoid that gcc sometimes generates
- * two accesses to memory, which may be undesireable for some devices.
+ * two accesses to memory, which may be undesirable for some devices.
*/
/*
*(volatile unsigned long*)addr = b;
}
+static __inline__ void ctrl_bclr(int b, unsigned long addr)
+{
+ if (__builtin_constant_p(b))
+ switch (b) {
+ case 0: __asm__("bclr #0,@%0"::"r"(addr)); break;
+ case 1: __asm__("bclr #1,@%0"::"r"(addr)); break;
+ case 2: __asm__("bclr #2,@%0"::"r"(addr)); break;
+ case 3: __asm__("bclr #3,@%0"::"r"(addr)); break;
+ case 4: __asm__("bclr #4,@%0"::"r"(addr)); break;
+ case 5: __asm__("bclr #5,@%0"::"r"(addr)); break;
+ case 6: __asm__("bclr #6,@%0"::"r"(addr)); break;
+ case 7: __asm__("bclr #7,@%0"::"r"(addr)); break;
+ }
+ else
+ __asm__("bclr %w0,@%1"::"r"(b), "r"(addr));
+}
+
+static __inline__ void ctrl_bset(int b, unsigned long addr)
+{
+ if (__builtin_constant_p(b))
+ switch (b) {
+ case 0: __asm__("bset #0,@%0"::"r"(addr)); break;
+ case 1: __asm__("bset #1,@%0"::"r"(addr)); break;
+ case 2: __asm__("bset #2,@%0"::"r"(addr)); break;
+ case 3: __asm__("bset #3,@%0"::"r"(addr)); break;
+ case 4: __asm__("bset #4,@%0"::"r"(addr)); break;
+ case 5: __asm__("bset #5,@%0"::"r"(addr)); break;
+ case 6: __asm__("bset #6,@%0"::"r"(addr)); break;
+ case 7: __asm__("bset #7,@%0"::"r"(addr)); break;
+ }
+ else
+ __asm__("bset %w0,@%1"::"r"(b), "r"(addr));
+}
+
/* Pages to physical address... */
#define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT)
#define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT)