packages/devs/eth/arm/netarm/v2_0/doc/netarm_hal.patch

   1 diff -Naur orig/hal/arm/netarm/current/cdl/hal_arm_netarm.cdl new/hal/arm/netarm/current/cdl/hal_arm_netarm.cdl
   2 --- orig/hal/arm/netarm/current/cdl/hal_arm_netarm.cdl  2004-11-29 17:35:46.000000000 +0100
   3 +++ new/hal/arm/netarm/current/cdl/hal_arm_netarm.cdl   2005-03-10 14:54:13.903367200 +0100
   4 @@ -18,6 +18,26 @@
   5                 puts $::cdl_system_header "#define CYGBLD_HAL_PLATFORM_H <pkgconf/hal_arm_netarm.h>"
   6         }
   7
   8 +       cdl_option CYGSEM_HAL_INSTRUCTION_CACHE_SETS {
   9 +           display "Sets for Instruction Cache"
  10 +           parent CYGPKG_HAL_CACHE_CONTROL
  11 +           active_if CYGSEM_HAL_ENABLE_ICACHE_ON_STARTUP
  12 +               flavor data
  13 +               legal_values 0 to 15
  14 +               default_value 0xc
  15 +           description "MSB: SET1 | SET2 | SET3 | SET4"
  16 +       }
  17 +
  18 +       cdl_option CYGSEM_HAL_DATA_CACHE_SETS {
  19 +           display "Sets for Data Cache"
  20 +           parent CYGPKG_HAL_CACHE_CONTROL
  21 +           active_if CYGSEM_HAL_ENABLE_DCACHE_ON_STARTUP
  22 +               flavor data
  23 +               legal_values 0 to 15
  24 +               default_value 0x3
  25 +           description "MSB: SET1 | SET2 | SET3 | SET4"
  26 +       }
  27 +
  28         cdl_component CYG_HAL_STARTUP {
  29         display "Startup type"
  30                 flavor data
  31 diff -Naur orig/hal/arm/netarm/current/include/hal_cache.h new/hal/arm/netarm/current/include/hal_cache.h
  32 --- orig/hal/arm/netarm/current/include/hal_cache.h     2004-11-29 17:35:46.000000000 +0100
  33 +++ new/hal/arm/netarm/current/include/hal_cache.h      2005-03-10 14:41:51.032173600 +0100
  34 @@ -19,25 +19,57 @@
  35  #define HAL_ICACHE_WAYS                 4        // Associativity of the cache
  36  #define HAL_ICACHE_LINE_SIZE            4       // Size of a cache line
  37
  38 -#define HAL_ICACHE_BASE                                        0x08000000
  39 -#define HAL_ICACHE_MASK                                        0xfe000000
  40 +#if defined(CYG_HAL_STARTUP_ROMRAM) || defined(CYG_HAL_STARTUP_RAM)
  41 +       #define HAL_ICACHE_BASE                                 0x04000000
  42 +       #define HAL_DCACHE_BASE                                 0x08000000
  43 +#else
  44 +       #define HAL_ICACHE_BASE                                 0x02000000
  45 +       #define HAL_DCACHE_BASE                                 0x04000000
  46 +#endif
  47 +
  48 +#define HAL_ICACHE_MASK                                        0xff000000
  49 +#define HAL_DCACHE_MASK                                        0xff000000
  50 +
  51 +
  52 +#ifdef CYGSEM_HAL_ENABLE_ICACHE_ON_STARTUP
  53 +       #define HAL_ICACHE_ENABLE()                                             \
  54 +       {                                                                                               \
  55 +               *(CCR0)=(HAL_ICACHE_BASE) |                                     \
  56 +                               (HAL_ICACHE_MASK >> 8) |                        \
  57 +                               (CCR_ENABLE) |                                          \
  58 +                               (1 << 11)       |                                               \
  59 +                               (CYGSEM_HAL_INSTRUCTION_CACHE_SETS);    \
  60 +       }
  61 +#else
  62 +       #define HAL_ICACHE_ENABLE() (*(CCR0)=0)
  63 +#endif
  64
  65 -#define HAL_ICACHE_ENABLE()                     \
  66 +#ifdef CYGSEM_HAL_ENABLE_DCACHE_ON_STARTUP
  67 +       #define HAL_DCACHE_ENABLE()                                             \
  68 +       {                                                                                               \
  69 +               *(CCR1)=(HAL_DCACHE_BASE) |                                     \
  70 +                               (HAL_DCACHE_MASK >> 8) |                        \
  71 +                               (CCR_ENABLE) |                                          \
  72 +                               (1 << 11)       |                                               \
  73 +                               (CYGSEM_HAL_DATA_CACHE_SETS);   \
  74 +       }
  75 +#else
  76 +       #define HAL_DCACHE_ENABLE() (*(CCR1)=0)
  77 +#endif
  78 +
  79 +#define HAL_CACHE_ENABLE()                      \
  80  {                                                                                              \
  81         unsigned int *p;                                                        \
  82         int i;                                                                      \
  83                                                                                                 \
  84         *(SYSCON)|=SYSCON_CINIT|SYSCON_CACHE;           \
  85         p=(unsigned int *)0xfff00000;                           \
  86 -       for(i=0;i<(0x2000/4);i++,p++)                           \
  87 +       for(i=0;i<(0x4000/4);i++,p++)                           \
  88                 *p=0;                                                                   \
  89                                                                                                 \
  90 -       *(SYSCON)&=~(SYSCON_CINIT);                                     \
  91 -       *(CCR0)=(HAL_ICACHE_BASE) |                                     \
  92 -                       (HAL_ICACHE_MASK >> 8) |                        \
  93 -                       (CCR_ENABLE) |                                          \
  94 -                       (CCR_SET1 | CCR_SET2 | CCR_SET3 | CCR_SET4);            \
  95 -       *(CCR1)=0;                                                                      \
  96 +       HAL_ICACHE_ENABLE();                                            \
  97 +       HAL_DCACHE_ENABLE();                                            \
  98 +                                                                                               \
  99         *(SYSCON)|=SYSCON_CACHE;                                        \
 100         *(SYSCON)&=~SYSCON_WB;                                          \
 101  }
 102 @@ -45,17 +77,25 @@
 103  #define HAL_ICACHE_DISABLE()                    \
 104  {                                                                                              \
 105         *(CCR0)=0;                                                                      \
 106 -       *(SYSCON)&=~SYSCON_CACHE;                                                       \
 107 +       if (HAL_DCACHE_IS_ENABLED == 0)                         \
 108 +               *(SYSCON)&=~SYSCON_CACHE;                               \
 109  }
 110
 111 -#define HAL_ICACHE_IS_ENABLED(_state_) _state_ = ((*(CCR0) & CCR_ENABLE) >> 15)
 112 +#define HAL_DCACHE_DISABLE()                    \
 113 +{                                                                                              \
 114 +       *(CCR1)=0;                                                                      \
 115 +       if (HAL_ICACHE_IS_ENABLED == 0)                         \
 116 +               *(SYSCON)&=~SYSCON_CACHE;                               \
 117 +}
 118 +
 119 +#define HAL_ICACHE_IS_ENABLED ((*(CCR0) & CCR_ENABLE) >> 15)
 120
 121 -#define HAL_ICACHE_INVALIDATE_ALL()                            \
 122 +#define HAL_CACHE_INVALIDATE_ALL()                             \
 123  {                                                                                              \
 124         unsigned *p;                                                            \
 125         *(SYSCON)|=SYSCON_CINIT;                                                        \
 126         for(p=(unsigned int*)0xfff00000;                        \
 127 -               (unsigned int)p<0xfff02000;                             \
 128 +               (unsigned int)p<0xfff04000;                             \
 129                 p++)                                                                    \
 130                 *p=0;                                                                   \
 131                                                                                                 \
 132 @@ -64,25 +104,13 @@
 133
 134  #define HAL_ICACHE_SYNC()
 135
 136 -#define HAL_ICACHE_PURGE_ALL()  HAL_ICACHE_INVALIDATE_ALL()
 137 -
 138 -#define HAL_DCACHE_LINE_SIZE 0
 139 -#define HAL_DCACHE_WAYS 0
 140 -#define HAL_DCACHE_SETS 0
 141 -
 142 -#define HAL_DCACHE_ENABLE()
 143 +#define HAL_CACHE_PURGE_ALL()  HAL_ICACHE_INVALIDATE_ALL()
 144
 145 -#define HAL_DCACHE_DISABLE()
 146 -
 147 -#define HAL_DCACHE_INVALIDATE_ALL()
 148 +#define HAL_DCACHE_LINE_SIZE 4
 149 +#define HAL_DCACHE_WAYS 4
 150
 151  #define HAL_DCACHE_SYNC()
 152
 153 -#define HAL_DCACHE_IS_ENABLED(_state_) 0
 154 -
 155 -#define HAL_DCACHE_FLUSH( _base_ , _size_ )
 156 -
 157 -#define HAL_DCACHE_STORE( _base_ , _size_ )
 158 +#define HAL_DCACHE_IS_ENABLED ((*(CCR1) & CCR_ENABLE) >> 15)
 159
 160  #endif
 161 -
 162 diff -Naur orig/hal/arm/netarm/current/include/hal_platform_setup.h new/hal/arm/netarm/current/include/hal_platform_setup.h
 163 --- orig/hal/arm/netarm/current/include/hal_platform_setup.h    2004-11-29 17:35:46.000000000 +0100
 164 +++ new/hal/arm/netarm/current/include/hal_platform_setup.h     2005-03-14 17:10:01.542675500 +0100
 165 @@ -19,7 +19,7 @@
 166  // Usage:       #include <cyg/hal/hal_platform_setup.h>
 167  //
 168  //####DESCRIPTIONEND####
 169 -//
 170 +//
 171  //===========================================================================*/
 172
 173  #include <pkgconf/system.h>           // System-wide configuration info
 174 @@ -34,15 +34,31 @@
 175                                                         bic     r0,r0, #((\x & 3)<<1); \
 176                                                         str r0,[r1]
 177
 178 -#if defined(CYG_HAL_STARTUP_ROMRAM)
 179 +#if defined(CYG_HAL_STARTUP_ROMRAM)
 180  #define HAL_FLASH_PHYS_ADDR            0x02000000
 181 -#define UNMAPPED(x)                    ((x)-0x08000000)
 182 +#define UNMAPPED(x)                    ((x)-0x04000000)
 183  #elif  defined(CYG_HAL_STARTUP_ROM)
 184  #define HAL_FLASH_PHYS_ADDR            0x02000000
 185  #define UNMAPPED(x)                    ((x)-0x02000000)
 186  #endif
 187                 .macro  PLATFORM_SETUP1
 188 -
 189 +
 190 +               ldr             r1,=0xffb0000c          // software reset
 191 +               ldr             r0,=0x00000123
 192 +               str             r0,[r1]
 193 +               ldr             r0,=0x00000321
 194 +               str             r0,[r1]
 195 +
 196 +               mov             r0,#1000
 197 +loop:
 198 +               sub             r0,r0,#1
 199 +               cmp             r0,#0
 200 +               bne             loop
 201 +
 202 +               ldr             r0,=0x00000123
 203 +               str             r0,[r1]
 204 +               ldr             r0,=0x00000321
 205 +               str             r0,[r1]
 206
 207  #if defined(CYG_HAL_STARTUP_ROMRAM) || defined(CYG_HAL_STARTUP_ROM)
 208                 mov             r1,#0xff000000
 209 @@ -51,7 +67,11 @@
 210                 ldr             r0,=0x4004a800          /* System control register */
 211                 str             r0,[r1]
 212
 213 +#ifdef CYG_HAL_STARTUP_ROM
 214                 mov             r0,#0                           /* PLL config */
 215 +#else
 216 +               ldr             r0,=0x09000e1e
 217 +#endif
 218                 str             r0,[r1,#8]
 219
 220                 ldr             r0,=0xfff00000          /* PORT A mode & dir */
 221 @@ -64,7 +84,7 @@
 222                 str             r0,[r1,#0x28]
 223
 224                 add             r1,r1,#0x100000         /* Setup MEM Module base addr */
 225 -
 226 +
 227                 ldr             r0,=0x148C0000          /* Memory Module Config register */
 228                 str             r0,[r1]
 229
 230 @@ -79,7 +99,7 @@
 231                 ldr             r0,=0xf3f00304          /* CS0 Option register */
 232                 str             r0,[r1,#0x14]
 233
 234 -               ldr             r0,=0x02000001          /* CS0 Base Address register */
 235 +               ldr             r0,=0x02000001          /* CS0 Base Address register */
 236                 str             r0,[r1,#0x10]
 237
 238                 mov             pc,r2                           /* Jump to new flash base */
 239 @@ -92,7 +112,7 @@
 240
 241                 /* Configure SDRAM */
 242
 243 -               ldr             r0,=0xf38000b0          /* CS1 Option register, BLEN=11 */
 244 +               ldr             r0,=0xf3000070          /* CS1 Option register, BLEN=11 (0xf38000b0)*/
 245                 str             r0,[r1,#0x24]
 246
 247                 ldr             r0,=0x0000022d          /* CS1 Base Address register */
 248 @@ -110,7 +130,7 @@
 249  #if defined(CYG_HAL_STARTUP_ROMRAM)
 250                 mov             r1,#0
 251                 mov             r2,#HAL_FLASH_PHYS_ADDR
 252 -               ldr             r3,=(__heap1 - 0x04000000 + HAL_FLASH_PHYS_ADDR)
 253 +               ldr             r3,=(__heap1 - 0x08000000 + HAL_FLASH_PHYS_ADDR)
 254
 255                 mov             r4,#0
 256                 mov             r6,#0
 257 @@ -129,11 +149,11 @@
 258                 nop
 259                 nop
 260                 nop
 261 -30:
 262 +30:
 263  #endif
 264
 265  #endif
 266                 .endm
 267 -
 268 +
 269  #endif
 270
 271 diff -Naur orig/hal/arm/netarm/current/include/pkgconf/mlt_arm_netarm_ram.ldi new/hal/arm/netarm/current/include/pkgconf/mlt_arm_netarm_ram.ldi
 272 --- orig/hal/arm/netarm/current/include/pkgconf/mlt_arm_netarm_ram.ldi  2004-11-29 17:35:46.000000000 +0100
 273 +++ new/hal/arm/netarm/current/include/pkgconf/mlt_arm_netarm_ram.ldi   2005-03-10 14:56:07.137708600 +0100
 274 @@ -3,34 +3,32 @@
 275  MEMORY
 276  {
 277      noncacheram : ORIGIN = 0, LENGTH = 16*1024*1024
 278 -    dataram : ORIGIN = 0x4000000, LENGTH = 16*1024*1024
 279 -    codecacheram : ORIGIN = 0x8000000, LENGTH = 16*1024*1024
 280 +    codecacheram : ORIGIN = 0x4000000, LENGTH = 16*1024*1024
 281 +    datacacheram : ORIGIN = 0x8000000, LENGTH = 16*1024*1024
 282  }
 283
 284  SECTIONS
 285  {
 286      SECTIONS_BEGIN
 287 -       _dataram = 0x4000000;
 288 +       _dataram = 0x8000000;
 289      SECTION_rom_vectors (nocacheram, 0x0, LMA_EQ_VMA)
 290      SECTION_fixed_vectors (nocacheram, ALIGN (0x4), LMA_EQ_VMA)
 291 -       code_start = . + 0x8000000;
 292 -    SECTION_text (codecacheram, code_start, AT (code_start - 0x8000000))
 293 +       code_start = . + 0x4000000;
 294 +    SECTION_text (codecacheram, code_start, AT (code_start - 0x4000000))
 295         fini = .;
 296 -    SECTION_fini (codecacheram, ALIGN (0x4), AT (fini - 0x8000000))
 297 +    SECTION_fini (codecacheram, ALIGN (0x4), AT (fini - 0x4000000))
 298         rodata = .;
 299 -    SECTION_rodata (codecacheram, ALIGN (0x4), AT (rodata - 0x8000000))
 300 +    SECTION_rodata (codecacheram, ALIGN (0x4), AT (rodata - 0x4000000))
 301         rodata1 = .;
 302 -    SECTION_rodata1 (codecacheram, ALIGN (0x4), AT (rodata1 - 0x8000000))
 303 +    SECTION_rodata1 (codecacheram, ALIGN (0x4), AT (rodata1 - 0x4000000))
 304         fixup = .;
 305 -    SECTION_fixup (codecacheram, ALIGN (0x4), AT (fixup - 0x8000000))
 306 +    SECTION_fixup (codecacheram, ALIGN (0x4), AT (fixup - 0x4000000))
 307         gcc_except_table =.;
 308 -    SECTION_gcc_except_table (codecacheram, ALIGN (0x4), AT (gcc_except_table - 0x8000000))
 309 -       data_start = ALIGN(0x4) - 0x4000000;
 310 -    SECTION_data (dataram, data_start, AT (data_start - 0x4000000))
 311 +    SECTION_gcc_except_table (codecacheram, ALIGN (0x4), AT (gcc_except_table - 0x4000000))
 312 +       data_start = ALIGN(0x4) + 0x4000000;
 313 +    SECTION_data (datacacheram, data_start, AT (data_start - 0x8000000))
 314         bss = .;
 315 -    SECTION_bss (dataram, ALIGN (0x4), AT (bss - 0x4000000))
 316 +    SECTION_bss (datacacheram, ALIGN (0x4), AT (bss - 0x8000000))
 317      CYG_LABEL_DEFN(__heap1) = ALIGN (0x8);
 318      SECTIONS_END
 319  }
 320 -
 321 -
 322 diff -Naur orig/hal/arm/netarm/current/include/pkgconf/mlt_arm_netarm_romram.ldi new/hal/arm/netarm/current/include/pkgconf/mlt_arm_netarm_romram.ldi
 323 --- orig/hal/arm/netarm/current/include/pkgconf/mlt_arm_netarm_romram.ldi       2004-11-29 17:35:46.000000000 +0100
 324 +++ new/hal/arm/netarm/current/include/pkgconf/mlt_arm_netarm_romram.ldi        2005-03-10 14:56:18.184583600 +0100
 325 @@ -3,34 +3,32 @@
 326  MEMORY
 327  {
 328      noncacheram : ORIGIN = 0, LENGTH = 16*1024*1024
 329 -    dataram : ORIGIN = 0x4000000, LENGTH = 16*1024*1024
 330 -    codecacheram : ORIGIN = 0x8000000, LENGTH = 16*1024*1024
 331 +    codecacheram : ORIGIN = 0x4000000, LENGTH = 16*1024*1024
 332 +    datacacheram : ORIGIN = 0x8000000, LENGTH = 16*1024*1024
 333  }
 334
 335  SECTIONS
 336  {
 337      SECTIONS_BEGIN
 338 -       _dataram = 0x4000000;
 339 +       _dataram = 0x8000000;
 340      SECTION_rom_vectors (nocacheram, 0x0, LMA_EQ_VMA)
 341      SECTION_fixed_vectors (nocacheram, ALIGN (0x4), LMA_EQ_VMA)
 342 -       code_start = . + 0x8000000;
 343 -    SECTION_text (codecacheram, code_start, AT (code_start -  0x8000000))
 344 +       code_start = . + 0x4000000;
 345 +    SECTION_text (codecacheram, code_start, AT (code_start - 0x4000000))
 346         fini = .;
 347 -    SECTION_fini (codecacheram, ALIGN (0x4), AT (fini -  0x8000000))
 348 +    SECTION_fini (codecacheram, ALIGN (0x4), AT (fini - 0x4000000))
 349         rodata = .;
 350 -    SECTION_rodata (codecacheram, ALIGN (0x4), AT (rodata -  0x8000000))
 351 +    SECTION_rodata (codecacheram, ALIGN (0x4), AT (rodata - 0x4000000))
 352         rodata1 = .;
 353 -    SECTION_rodata1 (codecacheram, ALIGN (0x4), AT (rodata1 -  0x8000000))
 354 +    SECTION_rodata1 (codecacheram, ALIGN (0x4), AT (rodata1 - 0x4000000))
 355         fixup = .;
 356 -    SECTION_fixup (codecacheram, ALIGN (0x4), AT (fixup -  0x8000000))
 357 -       gcc_except_table = .;
 358 -    SECTION_gcc_except_table (codecacheram, ALIGN (0x4), AT (gcc_except_table -  0x8000000))
 359 -       data_start = . - 0x4000000;
 360 -    SECTION_data (dataram, data_start, AT (data_start -  0x4000000))
 361 +    SECTION_fixup (codecacheram, ALIGN (0x4), AT (fixup - 0x4000000))
 362 +       gcc_except_table =.;
 363 +    SECTION_gcc_except_table (codecacheram, ALIGN (0x4), AT (gcc_except_table - 0x4000000))
 364 +       data_start = ALIGN(0x4) + 0x4000000;
 365 +    SECTION_data (datacacheram, data_start, AT (data_start - 0x8000000))
 366         bss = .;
 367 -    SECTION_bss (dataram, ALIGN (0x4), AT (bss -  0x4000000))
 368 +    SECTION_bss (datacacheram, ALIGN (0x4), AT (bss - 0x8000000))
 369      CYG_LABEL_DEFN(__heap1) = ALIGN (0x8);
 370      SECTIONS_END
 371  }
 372 -
 373 -
 374 diff -Naur orig/hal/arm/netarm/current/src/netarm_misc.c new/hal/arm/netarm/current/src/netarm_misc.c
 375 --- orig/hal/arm/netarm/current/src/netarm_misc.c       2004-11-29 17:35:48.000000000 +0100
 376 +++ new/hal/arm/netarm/current/src/netarm_misc.c        2005-02-22 11:57:58.296703200 +0100
 377 @@ -7,15 +7,15 @@
 378  //==========================================================================
 379  //==========================================================================
 380  //#####DESCRIPTIONBEGIN####
 381 -//
 382 +//
 383  // Author(s):    Peter De Schrijver (p2@mind.be)
 384  // Contributors: Peter De Schrijver (p2@mind.be)
 385  // Date:         2002-10-25
 386  // Purpose:      HAL board support
 387  // Description:  Implementations of HAL board interfaces
 388 -//
 389 +//
 390  //####DESCRIPTIONEND####
 391 -//
 392 +//
 393  //========================================================================*/
 394
 395  #include <pkgconf/hal.h>
 396 @@ -29,7 +29,7 @@
 397  #include <cyg/hal/hal_io.h>             // IO macros
 398  #include <cyg/hal/hal_arch.h>           // Register state info
 399  #include <cyg/hal/hal_diag.h>
 400 -#include <cyg/hal/hal_intr.h>           // Interrupt names
 401 +#include <cyg/hal/hal_intr.h>           // Interrupt names
 402  #include <cyg/hal/hal_cache.h>
 403  #include <cyg/hal/hal_netarm.h>         // Hardware definitions
 404  #include <cyg/hal/hal_if.h>             // calling interface API
 405 @@ -74,9 +74,9 @@
 406  void hal_clock_read(cyg_uint32 *pvalue) {
 407
 408         static cyg_uint32 clock_val;
 409 -
 410 -       clock_val=*TIMERSTAT1 & 0x1ff;
 411 -       *pvalue = (cyg_uint32)(_period - clock_val);
 412 +
 413 +       clock_val=*TIMERSTAT1 & 0x1ff;
 414 +       *pvalue = (cyg_uint32)(_period - clock_val);
 415
 416  }
 417
 418 @@ -97,24 +97,19 @@
 419
 420  void hal_hardware_init(void) {
 421
 422 +#if defined (CYGSEM_HAL_ENABLE_ICACHE_ON_STARTUP) ||   \
 423 +       defined (CYGSEM_HAL_ENABLE_DCACHE_ON_STARTUP)
 424
 425 -#ifdef ENABLECACHE
 426 -       /* CS1 BSIZE = 4 */
 427 -       *OR1&=~(3 << 4);
 428 -       *OR1|=1 << 4;
 429 -
 430 -       HAL_ICACHE_ENABLE();
 431 -#endif /* ENABLECACHE */
 432 +       HAL_CACHE_ENABLE();
 433
 434 +#endif /* ENABLECACHE */
 435
 436         *INTENABLE_CLR=0xffffffff;
 437 -
 438 +
 439         hal_clock_initialize(CYGNUM_HAL_RTC_PERIOD);
 440
 441         hal_if_init();
 442
 443 -//     HAL_ICACHE_DISABLE();
 444 -
 445  }
 446
 447  int hal_spurious_ints;
 448 @@ -125,8 +120,8 @@
 449         int i;
 450
 451         stat=*INTSTATUS;
 452 -
 453 -       for(i=0;i<CYGNUM_HAL_ISR_MAX;i++)
 454 +
 455 +       for(i=0;i<CYGNUM_HAL_ISR_MAX;i++)
 456                 if(stat & (1<<i))
 457                         return i+1;
 458
 459 @@ -154,7 +149,7 @@
 460
 461         if((vector>=CYGNUM_HAL_INTERRUPT_C0) && (vector<=CYGNUM_HAL_INTERRUPT_C3)) {
 462                 *PORTC|=1<< (vector+23);
 463 -       if(up)
 464 +       if(up)
 465                         *PORTC|=1<< (vector+15);
 466                 else
 467                         *PORTC&=~(1<< (vector+15));