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Renamed _Bas_base and __BAS_VMA to __BAS_IN_RAM.

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This commit is contained in:
Vincent Rivière
2012-11-07 22:18:27 +00:00
parent 25b5df12b4
commit 4ec8898ed2
3 changed files with 10 additions and 11 deletions
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9
bas.lk.in
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@@ -21,10 +21,10 @@ SECTIONS {
/* FastRAM */
__FASTRAM = 0x10000000;
__FASTRAM_END = _Bas_base;
__FASTRAM_END = __BAS_IN_RAM;
/* BaS */
_Bas_base = 0x1FE00000;
__BAS_IN_RAM = 0x1FE00000;
/* Flash components */
__FIRETOS = 0xe0400000;
@@ -86,7 +86,7 @@ SECTIONS {
#endif
} > flash
.bas _Bas_base :
.bas __BAS_IN_RAM :
/* The BaS is stored in the flash, just after the init part.
* Then it will be copied to its final location in the RAM.
* This data must be aligned for optimal copy loop speed.
@@ -115,7 +115,6 @@ SECTIONS {
} > ram
__BAS_LMA = LOADADDR(.bas);
__BAS_VMA = ADDR(.bas);
__BAS_SIZE = SIZEOF(.bas);
/* The following labels are BaS routines in the flash,
@@ -123,7 +122,7 @@ SECTIONS {
* This is to allow using them before and after the actual copy.
* Hence they must contain only pc-relative code (compiled with -mpcrel).
*/
#define BAS_LABEL_LMA(x) ((x) + (__BAS_LMA - __BAS_VMA))
#define BAS_LABEL_LMA(x) ((x) + (__BAS_LMA - __BAS_IN_RAM))
_xprintf_before_copy = BAS_LABEL_LMA(_xprintf);
_display_progress_before_copy = BAS_LABEL_LMA(_display_progress);
_flush_and_invalidate_caches_before_copy = BAS_LABEL_LMA(_flush_and_invalidate_caches);

6
sources/BaS.c
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@@ -10,8 +10,6 @@
#include "cache.h"
#include "bas_printf.h"
extern uint32_t Bas_base[];
/* imported routines */
extern int mmu_init();
extern int vec_init();
@@ -28,6 +26,8 @@ extern uint8_t _STRAM_END[];
#define STRAM_END ((uint32_t)_STRAM_END)
extern uint8_t _TOS[];
#define TOS ((uint32_t)_TOS) /* final TOS location */
extern uint8_t _FASTRAM_END[];
#define FASTRAM_END ((uint32_t)_FASTRAM_END)
extern uint8_t _EMUTOS[];
#define EMUTOS ((uint32_t)_EMUTOS) /* where EmuTOS is stored in flash */
extern uint8_t _EMUTOS_SIZE[];
@@ -171,7 +171,7 @@ void BaS(void)
/* TT-RAM */
* (uint32_t *) 0x5a4 = (uint32_t) Bas_base; /* ramtop TOS system variable */
* (uint32_t *) 0x5a4 = (uint32_t) FASTRAM_END; /* ramtop TOS system variable */
* (uint32_t *) 0x5a8 = 0x1357bd13; /* ramvalid TOS system variable */
xprintf("init ACIA: ");

6
sources/sysinit.c
View File

@@ -756,8 +756,8 @@ extern uint8_t _FIRETOS[];
extern uint8_t _BAS_LMA[];
#define BAS_LMA ((uint32_t)_BAS_LMA) /* where the BaS is stored in flash */
extern uint8_t _BAS_VMA[];
#define BAS_VMA ((uint32_t)_BAS_VMA) /* where the BaS is run in RAM */
extern uint8_t _BAS_IN_RAM[];
#define BAS_IN_RAM ((uint32_t)_BAS_IN_RAM) /* where the BaS is run in RAM */
extern uint8_t _BAS_SIZE[];
#define BAS_SIZE ((uint32_t)_BAS_SIZE) /* size of the BaS, in bytes */
@@ -808,7 +808,7 @@ void initialize_hardware(void) {
/* copy the BaS code contained in flash to its final location */
src = (uint32_t *)BAS_LMA;
end = (uint32_t *)(BAS_LMA + BAS_SIZE);
dst = jmp = (uint32_t *)BAS_VMA;
dst = jmp = (uint32_t *)BAS_IN_RAM;
/* The linker script will ensure that the Bas size
* is a multiple of the following.