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Update order for kernel segments

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Byron Lathi
2023-08-22 19:27:09 -07:00
parent 851c26e4dd
commit 9972f8cb36
3 changed files with 9 additions and 7 deletions
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4
sw/bios/boot2.s
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@@ -96,7 +96,9 @@ _start:
ldx #>_good ldx #>_good
jsr _cputs ; otherwise continue on jsr _cputs ; otherwise continue on
@3: jmp @3 ; Now we need to load it into memory. It cannot be just loaded into memory,
; I think if we have startup be first in the linker script it will always be
; at the beginning? then we can just copy the text/data segments as is...
; parse root directory for kernel.o65 ; parse root directory for kernel.o65
; load first data cluster (we know this is root.) ; load first data cluster (we know this is root.)

2
sw/kernel/boot.s
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@@ -17,7 +17,7 @@
; --------------------------------------------------------------------------- ; ---------------------------------------------------------------------------
; Place the startup code in a special segment ; Place the startup code in a special segment
.segment "STARTUP" .segment "CODE"
; --------------------------------------------------------------------------- ; ---------------------------------------------------------------------------
; A little light 6502 housekeeping ; A little light 6502 housekeeping

10
sw/kernel/link.ld
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@@ -9,14 +9,14 @@ MEMORY
} }
SEGMENTS { SEGMENTS {
ZEROPAGE: load = ZP, type = zp, define = yes; ZEROPAGE: load = ZP, type = zp, define = yes;
STARTUP: load = KERNEL, type = ro;
CODE: load = KERNEL, type = ro;
ONCE: load = KERNEL, type = ro, optional = yes;
DATA: load = KERNEL, type = rw, define = yes; DATA: load = KERNEL, type = rw, define = yes;
BSS: load = KERNEL, type = rw, define = yes; BSS: load = KERNEL, type = rw, define = yes;
HEAP: load = KERNEL, type = rw, define = yes, optional = yes; HEAP: load = KERNEL, type = rw, define = yes, optional = yes;
STARTUP: load = KERNEL, type = ro; RODATA: load = KERNEL, type = ro;
ONCE: load = KERNEL, type = ro, optional = yes;
CODE: load = ROM, type = ro;
RODATA: load = ROM, type = ro;
VECTORS: load = ROM, type = ro, start = $FFFA; VECTORS: load = ROM, type = ro, start = $FFFA;
} }