FreeCalypso > hg > fc-magnetite
changeset 467:3285960cc1b9
romvecs-patch: experimental insert code written
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 25 Mar 2018 01:18:50 +0000 |
| parents | 1524d182a2b2 |
| children | 79bc5876eb98 |
| files | .hgignore romvecs-patch/Makefile romvecs-patch/romvecs-insert.S |
| diffstat | 3 files changed, 34 insertions(+), 0 deletions(-) [+] |
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--- a/.hgignore Sun Mar 25 00:58:51 2018 +0000 +++ b/.hgignore Sun Mar 25 01:18:50 2018 +0000 @@ -1,9 +1,13 @@ syntax: regexp ^build- + ^helpers/build-date$ ^helpers/cfg-hdr-gen$ ^helpers/makeline$ ^helpers/mk-flash-script$ ^helpers/srec4ram$ ^helpers/str2ind-ver$ + +^romvecs-patch/romvecs-insert.lst$ +^romvecs-patch/romvecs-insert.o$
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/romvecs-patch/Makefile Sun Mar 25 01:18:50 2018 +0000 @@ -0,0 +1,10 @@ +all: romvecs-insert.lst + +romvecs-insert.o: romvecs-insert.S + arm-elf-gcc -c $< + +romvecs-insert.lst: romvecs-insert.o + arm-elf-objdump -d $< > $@ + +clean: + rm -f romvecs-insert.o romvecs-insert.lst
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/romvecs-patch/romvecs-insert.S Sun Mar 25 01:18:50 2018 +0000 @@ -0,0 +1,20 @@ + .text + .code 32 + .globl _entry + +_entry: adr r0, vectors + ldmia r0, {r1-r7} + mov r0, #0x800000 + stmia r0, {r1-r7} + ldr pc, jumpaddr + +vectors: + .word 0x4000 + .word 0x4004 + .word 0x4008 + .word 0x400C + .word 0x4010 + .word 0x4014 + .word 0x4018 +jumpaddr: + .word 0x4058