diff options
Diffstat (limited to 'sys/arch/alpha/tc/tc_bus_mem.c')
| -rw-r--r-- | sys/arch/alpha/tc/tc_bus_mem.c | 186 |
1 files changed, 143 insertions, 43 deletions
diff --git a/sys/arch/alpha/tc/tc_bus_mem.c b/sys/arch/alpha/tc/tc_bus_mem.c index 5c44ec56efd..4d901513410 100644 --- a/sys/arch/alpha/tc/tc_bus_mem.c +++ b/sys/arch/alpha/tc/tc_bus_mem.c @@ -1,5 +1,5 @@ -/* $OpenBSD: tc_bus_mem.c,v 1.5 1996/12/08 00:20:58 niklas Exp $ */ -/* $NetBSD: tc_bus_mem.c,v 1.9 1996/10/23 04:12:37 cgd Exp $ */ +/* $OpenBSD: tc_bus_mem.c,v 1.6 1997/01/24 19:58:19 niklas Exp $ */ +/* $NetBSD: tc_bus_mem.c,v 1.13 1996/12/02 22:19:34 cgd Exp $ */ /* * Copyright (c) 1996 Carnegie-Mellon University. @@ -55,11 +55,15 @@ int tc_mem_alloc __P((void *, bus_addr_t, bus_addr_t, bus_size_t, bus_space_handle_t *)); void tc_mem_free __P((void *, bus_space_handle_t, bus_size_t)); +/* barrier */ +inline void tc_mem_barrier __P((void *, bus_space_handle_t, + bus_size_t, bus_size_t, int)); + /* read (single) */ -u_int8_t tc_mem_read_1 __P((void *, bus_space_handle_t, bus_size_t)); -u_int16_t tc_mem_read_2 __P((void *, bus_space_handle_t, bus_size_t)); -u_int32_t tc_mem_read_4 __P((void *, bus_space_handle_t, bus_size_t)); -u_int64_t tc_mem_read_8 __P((void *, bus_space_handle_t, bus_size_t)); +inline u_int8_t tc_mem_read_1 __P((void *, bus_space_handle_t, bus_size_t)); +inline u_int16_t tc_mem_read_2 __P((void *, bus_space_handle_t, bus_size_t)); +inline u_int32_t tc_mem_read_4 __P((void *, bus_space_handle_t, bus_size_t)); +inline u_int64_t tc_mem_read_8 __P((void *, bus_space_handle_t, bus_size_t)); /* read multiple */ void tc_mem_read_multi_1 __P((void *, bus_space_handle_t, @@ -82,13 +86,13 @@ void tc_mem_read_region_8 __P((void *, bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t)); /* write (single) */ -void tc_mem_write_1 __P((void *, bus_space_handle_t, bus_size_t, +inline void tc_mem_write_1 __P((void *, bus_space_handle_t, bus_size_t, u_int8_t)); -void tc_mem_write_2 __P((void *, bus_space_handle_t, bus_size_t, +inline void tc_mem_write_2 __P((void *, bus_space_handle_t, bus_size_t, u_int16_t)); -void tc_mem_write_4 __P((void *, bus_space_handle_t, bus_size_t, +inline void tc_mem_write_4 __P((void *, bus_space_handle_t, bus_size_t, u_int32_t)); -void tc_mem_write_8 __P((void *, bus_space_handle_t, bus_size_t, +inline void tc_mem_write_8 __P((void *, bus_space_handle_t, bus_size_t, u_int64_t)); /* write multiple */ @@ -111,10 +115,35 @@ void tc_mem_write_region_4 __P((void *, bus_space_handle_t, void tc_mem_write_region_8 __P((void *, bus_space_handle_t, bus_size_t, const u_int64_t *, bus_size_t)); -/* barrier */ -void tc_mem_barrier __P((void *, bus_space_handle_t, - bus_size_t, bus_size_t, int)); - +/* set multiple */ +void tc_mem_set_multi_1 __P((void *, bus_space_handle_t, + bus_size_t, u_int8_t, bus_size_t)); +void tc_mem_set_multi_2 __P((void *, bus_space_handle_t, + bus_size_t, u_int16_t, bus_size_t)); +void tc_mem_set_multi_4 __P((void *, bus_space_handle_t, + bus_size_t, u_int32_t, bus_size_t)); +void tc_mem_set_multi_8 __P((void *, bus_space_handle_t, + bus_size_t, u_int64_t, bus_size_t)); + +/* set region */ +void tc_mem_set_region_1 __P((void *, bus_space_handle_t, + bus_size_t, u_int8_t, bus_size_t)); +void tc_mem_set_region_2 __P((void *, bus_space_handle_t, + bus_size_t, u_int16_t, bus_size_t)); +void tc_mem_set_region_4 __P((void *, bus_space_handle_t, + bus_size_t, u_int32_t, bus_size_t)); +void tc_mem_set_region_8 __P((void *, bus_space_handle_t, + bus_size_t, u_int64_t, bus_size_t)); + +/* copy */ +void tc_mem_copy_1 __P((void *, bus_space_handle_t, + bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t)); +void tc_mem_copy_2 __P((void *, bus_space_handle_t, + bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t)); +void tc_mem_copy_4 __P((void *, bus_space_handle_t, + bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t)); +void tc_mem_copy_8 __P((void *, bus_space_handle_t, + bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t)); static struct alpha_bus_space tc_mem_space = { /* cookie */ @@ -129,13 +158,16 @@ static struct alpha_bus_space tc_mem_space = { tc_mem_alloc, tc_mem_free, + /* barrier */ + tc_mem_barrier, + /* read (single) */ tc_mem_read_1, tc_mem_read_2, tc_mem_read_4, tc_mem_read_8, - /* read multi */ + /* read multiple */ tc_mem_read_multi_1, tc_mem_read_multi_2, tc_mem_read_multi_4, @@ -153,7 +185,7 @@ static struct alpha_bus_space tc_mem_space = { tc_mem_write_4, tc_mem_write_8, - /* write multi */ + /* write multiple */ tc_mem_write_multi_1, tc_mem_write_multi_2, tc_mem_write_multi_4, @@ -165,17 +197,23 @@ static struct alpha_bus_space tc_mem_space = { tc_mem_write_region_4, tc_mem_write_region_8, - /* set multi */ - /* XXX IMPLEMENT */ + /* set multiple */ + tc_mem_set_multi_1, + tc_mem_set_multi_2, + tc_mem_set_multi_4, + tc_mem_set_multi_8, /* set region */ - /* XXX IMPLEMENT */ + tc_mem_set_region_1, + tc_mem_set_region_2, + tc_mem_set_region_4, + tc_mem_set_region_8, /* copy */ - /* XXX IMPLEMENT */ - - /* barrier */ - tc_mem_barrier, + tc_mem_copy_1, + tc_mem_copy_2, + tc_mem_copy_4, + tc_mem_copy_8, }; bus_space_tag_t @@ -259,7 +297,21 @@ tc_mem_free(v, bsh, size) panic("tc_mem_free unimplemented"); } -u_int8_t +inline void +tc_mem_barrier(v, h, o, l, f) + void *v; + bus_space_handle_t h; + bus_size_t o, l; + int f; +{ + + if ((f & BUS_BARRIER_READ) != 0) + alpha_mb(); + else if ((f & BUS_BARRIER_WRITE) != 0) + alpha_wmb(); +} + +inline u_int8_t tc_mem_read_1(v, memh, off) void *v; bus_space_handle_t memh; @@ -276,7 +328,7 @@ tc_mem_read_1(v, memh, off) return (*p); } -u_int16_t +inline u_int16_t tc_mem_read_2(v, memh, off) void *v; bus_space_handle_t memh; @@ -293,7 +345,7 @@ tc_mem_read_2(v, memh, off) return (*p); } -u_int32_t +inline u_int32_t tc_mem_read_4(v, memh, off) void *v; bus_space_handle_t memh; @@ -311,7 +363,7 @@ tc_mem_read_4(v, memh, off) return (*p); } -u_int64_t +inline u_int64_t tc_mem_read_8(v, memh, off) void *v; bus_space_handle_t memh; @@ -328,7 +380,6 @@ tc_mem_read_8(v, memh, off) return (*p); } - #define tc_mem_read_multi_N(BYTES,TYPE) \ void \ __abs_c(tc_mem_read_multi_,BYTES)(v, h, o, a, c) \ @@ -367,7 +418,7 @@ tc_mem_read_region_N(2,u_int16_t) tc_mem_read_region_N(4,u_int32_t) tc_mem_read_region_N(8,u_int64_t) -void +inline void tc_mem_write_1(v, memh, off, val) void *v; bus_space_handle_t memh; @@ -397,7 +448,7 @@ tc_mem_write_1(v, memh, off, val) alpha_mb(); /* XXX XXX XXX */ } -void +inline void tc_mem_write_2(v, memh, off, val) void *v; bus_space_handle_t memh; @@ -427,7 +478,7 @@ tc_mem_write_2(v, memh, off, val) alpha_mb(); /* XXX XXX XXX */ } -void +inline void tc_mem_write_4(v, memh, off, val) void *v; bus_space_handle_t memh; @@ -445,7 +496,7 @@ tc_mem_write_4(v, memh, off, val) alpha_mb(); /* XXX XXX XXX */ } -void +inline void tc_mem_write_8(v, memh, off, val) void *v; bus_space_handle_t memh; @@ -461,6 +512,7 @@ tc_mem_write_8(v, memh, off, val) *p = val; alpha_mb(); /* XXX XXX XXX */ } + #define tc_mem_write_multi_N(BYTES,TYPE) \ void \ __abs_c(tc_mem_write_multi_,BYTES)(v, h, o, a, c) \ @@ -499,16 +551,64 @@ tc_mem_write_region_N(2,u_int16_t) tc_mem_write_region_N(4,u_int32_t) tc_mem_write_region_N(8,u_int64_t) -void -tc_mem_barrier(v, h, o, l, f) - void *v; - bus_space_handle_t h; - bus_size_t o, l; - int f; -{ +#define tc_mem_set_multi_N(BYTES,TYPE) \ +void \ +__abs_c(tc_mem_set_multi_,BYTES)(v, h, o, val, c) \ + void *v; \ + bus_space_handle_t h; \ + bus_size_t o, c; \ + TYPE val; \ +{ \ + \ + while (c-- > 0) { \ + __abs_c(tc_mem_write_,BYTES)(v, h, o, val); \ + tc_mem_barrier(v, h, o, sizeof val, BUS_BARRIER_WRITE); \ + } \ +} +tc_mem_set_multi_N(1,u_int8_t) +tc_mem_set_multi_N(2,u_int16_t) +tc_mem_set_multi_N(4,u_int32_t) +tc_mem_set_multi_N(8,u_int64_t) - if ((f & BUS_BARRIER_READ) != 0) - alpha_mb(); - else if ((f & BUS_BARRIER_WRITE) != 0) - alpha_wmb(); +#define tc_mem_set_region_N(BYTES,TYPE) \ +void \ +__abs_c(tc_mem_set_region_,BYTES)(v, h, o, val, c) \ + void *v; \ + bus_space_handle_t h; \ + bus_size_t o, c; \ + TYPE val; \ +{ \ + \ + while (c-- > 0) { \ + __abs_c(tc_mem_write_,BYTES)(v, h, o, val); \ + o += sizeof val; \ + } \ +} +tc_mem_set_region_N(1,u_int8_t) +tc_mem_set_region_N(2,u_int16_t) +tc_mem_set_region_N(4,u_int32_t) +tc_mem_set_region_N(8,u_int64_t) + +#define tc_mem_copy_N(BYTES) \ +void \ +__abs_c(tc_mem_copy_,BYTES)(v, h1, o1, h2, o2, c) \ + void *v; \ + bus_space_handle_t h1, h2; \ + bus_size_t o1, o2, c; \ +{ \ + bus_size_t i, o; \ + \ + if ((h1 & TC_SPACE_SPARSE) != 0 && \ + (h2 & TC_SPACE_SPARSE) != 0) { \ + bcopy((void *)(h1 + o1), (void *)(h2 + o2), c * BYTES); \ + return; \ + } \ + \ + for (i = 0, o = 0; i < c; i++, o += BYTES) \ + __abs_c(tc_mem_write_,BYTES)(v, h2, o2 + o, \ + __abs_c(tc_mem_read_,BYTES)(v, h1, o1 + o)); \ } +tc_mem_copy_N(1) +tc_mem_copy_N(2) +tc_mem_copy_N(4) +tc_mem_copy_N(8) |