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Merge pull request 'kernel: simplify PIE support' (#33) from Yatis/gint:dev into dev

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Reviewed-on: https://git.planet-casio.com/Lephenixnoir/gint/pulls/33
This commit is contained in:
Lephenixnoir 2024-12-13 13:41:07 +01:00
commit a324ce792a
5 changed files with 14 additions and 12 deletions
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4
fx9860g.ld.c
View file

@ -70,11 +70,11 @@ SECTIONS
_gint_exch_start = . ; _gint_exch_start = . ;
KEEP(*(.gint.exch)) KEEP(*(.gint.exch))
_gint_exch_size = ABSOLUTE(. - _gint_exch_start); _gint_exch_end = . ;
_gint_tlbh_start = . ; _gint_tlbh_start = . ;
KEEP(*(.gint.tlbh)) KEEP(*(.gint.tlbh))
_gint_tlbh_size = ABSOLUTE(. - _gint_tlbh_start); _gint_tlbh_end = . ;
*(.text .text.*) *(.text .text.*)
*(C P) *(C P)

4
fxcg50.ld.c
View file

@ -59,11 +59,11 @@ SECTIONS
_gint_exch_start = . ; _gint_exch_start = . ;
KEEP(*(.gint.exch)) KEEP(*(.gint.exch))
_gint_exch_size = ABSOLUTE(. - _gint_exch_start); _gint_exch_end = . ;
_gint_tlbh_start = . ; _gint_tlbh_start = . ;
KEEP(*(.gint.tlbh)) KEEP(*(.gint.tlbh))
_gint_tlbh_size = ABSOLUTE(. - _gint_tlbh_start); _gint_tlbh_end = . ;
*(.text .text.*) *(.text .text.*)
} > rom } > rom

4
fxcp_hh2.ld.c
View file

@ -68,12 +68,12 @@ SECTIONS
. = ALIGN(0x10); . = ALIGN(0x10);
_gint_exch_start = . ; _gint_exch_start = . ;
*(.gint.exch) *(.gint.exch)
_gint_exch_size = ABSOLUTE(. - _gint_exch_start); _gint_exch_end = . ;
. = ALIGN(0x10); . = ALIGN(0x10);
_gint_tlbh_start = . ; _gint_tlbh_start = . ;
*(.gint.tlbh) *(.gint.tlbh)
_gint_tlbh_size = ABSOLUTE(. - _gint_tlbh_start); _gint_tlbh_end = . ;
*(.text .text.*) *(.text .text.*)
} > ram AT> bin } > ram AT> bin

10
src/kernel/kernel.c
View file

@ -76,9 +76,15 @@ void kinit(void)
#endif #endif
/* Event handler entry points */ /* Event handler entry points */
extern uint32_t gint_exch_start;
extern uint32_t gint_exch_end;
extern uint32_t gint_tlbh_start;
extern uint32_t gint_tlbh_end;
void *inth_entry = isSH3() ? gint_inth_7705 : gint_inth_7305; void *inth_entry = isSH3() ? gint_inth_7705 : gint_inth_7305;
uint32_t exch_size = (uint32_t)&gint_exch_size; uint32_t exch_size = \
uint32_t tlbh_size = (uint32_t)&gint_tlbh_size; (uint32_t)&gint_exch_end - (uint32_t)&gint_exch_start;
uint32_t tlbh_size = \
(uint32_t)&gint_tlbh_end - (uint32_t)&gint_tlbh_start;
/* Load the event handler entry points into memory */ /* Load the event handler entry points into memory */
memcpy((void *)VBR + 0x100, gint_exch, exch_size); memcpy((void *)VBR + 0x100, gint_exch, exch_size);

4
src/kernel/vbr.h
View file

@ -11,8 +11,4 @@ void gint_tlbh(void);
void gint_inth_7705(void); void gint_inth_7705(void);
void gint_inth_7305(void); void gint_inth_7305(void);
/* Size of exception and TLB handlers */
extern char gint_exch_size;
extern char gint_tlbh_size;
#endif /* GINT_CORE_VBR */ #endif /* GINT_CORE_VBR */