jens/mips
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

- fixed bootloader

Browse Source 
git-svn-id: http://moon:8086/svn/mips@155 a8ebac50-d88d-4704-bea3-6648445a41b3
This commit is contained in:
jens
2021-04-07 15:33:13 +00:00
parent 39ae59c4b5
commit ab8ccb1657
3 changed files with 10 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files
link/bootloader.ld
+2 -7
View File
@@ -17,12 +17,10 @@ SECTIONS
_entry = ALIGN(4); _entry = ALIGN(4);
__entry = ALIGN(4); __entry = ALIGN(4);
*(.init) *(.init)
. = ORIGIN(rom) + 0x180; . = ORIGIN(rom) + 0x080;
*(.ktext) *(.ktext)
*(.text*) *(.text*)
*(.rodata*) *(.rodata*)
. = ORIGIN(rom) + LENGTH(rom) - 0x40;
*(.dbg_stub*)
} > rom } > rom
.data ORIGIN(ram) : .data ORIGIN(ram) :
@@ -33,9 +31,6 @@ SECTIONS
_end = ALIGN(4); _end = ALIGN(4);
} > ram } > ram
.flash ORIGIN(flash) : _flash_start = ORIGIN(flash);
{
_flash_start = ALIGN(4);
} > flash
} }
make/mips_boot.mk
+6 -15
View File
@@ -3,9 +3,9 @@
# TLB = {no, yes} # TLB = {no, yes}
# ENDIANESS = {eb, el} # ENDIANESS = {eb, el}
BOARD ?= ml402 BOARD ?= ml402
TLB ?= no WITH_TLB ?= n
ENDIANESS ?= eb ENDIANESS ?= eb
DEBUGGER ?= gdb DEBUGGER ?= n
ifeq ($(ENDIANESS),el) ifeq ($(ENDIANESS),el)
ENDIAN_FLAGS=-EL ENDIAN_FLAGS=-EL
@@ -13,18 +13,9 @@ else
ENDIAN_FLAGS=-EB ENDIAN_FLAGS=-EB
endif endif
ifeq ($(DEBUGGER),gdb) FLAGS := -fno-exceptions -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -nostartfiles -nodefaultlibs -nostdlib
DBG_FLAGS := -DWITH_DEBUGGER -DWITH_GDB_STUB CFLAGS=$(ENDIAN_FLAGS) $(FLAGS) -Os -I. -I../libsys -msoft-float -march=r3000 -G0 -I../libsys/boards/$(BOARD) -D$(BOARD)
DBG_OBJ := gdb_stub.o LFLAGS=$(ENDIAN_FLAGS) $(FLAGS) -Os
endif
ifeq ($(DEBUGGER),mips)
DBG_FLAGS := -DWITH_DEBUGGER
DBG_OBJ := mips_dbg.o mips_dis.o
endif
CFLAGS=$(ENDIAN_FLAGS) -Os -ffunction-sections -fdata-sections -I. -I../libsys -msoft-float -march=r3000 -G0 -I../libsys/boards/$(BOARD) -D$(BOARD) $(DBG_FLAGS)
LFLAGS=$(ENDIAN_FLAGS) -Os -nostartfiles -nodefaultlibs -nostdlib -Wl,--gc-sections -Wl,-M
ifeq ($(TLB),yes) ifeq ($(TLB),yes)
CFLAGS+=-DSYS_IO_BASE=0xAC000000 -DSDRAM_BASE=0x80000000 -DFLASH_BASE_IO=0xA4000000 -DFLASH_BASE_MEM=0x88000000 CFLAGS+=-DSYS_IO_BASE=0xAC000000 -DSDRAM_BASE=0x80000000 -DFLASH_BASE_IO=0xA4000000 -DFLASH_BASE_MEM=0x88000000
@@ -36,7 +27,7 @@ endif
BUILD_DIR=./build/$(BOARD)/$(ENDIANESS) BUILD_DIR=./build/$(BOARD)/$(ENDIANESS)
LIBS=-lc -lgcc LIBS=-lc
CFLAGS += -DXCP_SIZE=4096 CFLAGS += -DXCP_SIZE=4096
CC=mips-elf-gcc CC=mips-elf-gcc
src/bootloader/boards/ml402/board.c
+2 -10
View File
@@ -12,20 +12,12 @@
extern uart_if_t uart_if[]; extern uart_if_t uart_if[];
int gdb_stub(struct xcptcontext * xcp) __attribute__ ((section (".gdb"))); void _dbg_writechar(uart_if_t const *pUart, char c)
int gdb_stub(struct xcptcontext * xcp)
{
handle_exception((unsigned long *)xcp);
return 0;
}
inline void _dbg_writechar(uart_if_t const *pUart, char c)
{ {
UART_writechar(pUart, c); UART_writechar(pUart, c);
} }
inline char _dbg_readchar(uart_if_t const *pUart) char _dbg_readchar(uart_if_t const *pUart)
{ {
int c; int c;