Firmware/MNRS-BM-BSP
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making hello-world run on all Boards

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This commit is contained in:
gabriel 2024-01-27 16:54:25 +01:00
parent 123f579105
commit d6919e9af6
8 changed files with 72 additions and 8 deletions
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24
env/common-gcc.mk vendored
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@ -6,15 +6,16 @@ TL_TARGET?=all
.PHONY: $(TL_TARGET)
$(TL_TARGET): $(TARGET)
ENV_DIR:=$(dir $(lastword $(MAKEFILE_LIST)))
BSP_BASE=$(ENV_DIR)/..
PLATFORM_DIR = $(ENV_DIR)/$(BOARD)
include $(BSP_BASE)/libwrap/libwrap.mk
BOARD?=iss
ENV_DIR = $(BSP_BASE)/env
PLATFORM_DIR = $(ENV_DIR)/$(BOARD)
ASM_SRCS += $(ENV_DIR)/start.S
ASM_SRCS += $(ENV_DIR)/entry.S
C_SRCS += $(PLATFORM_DIR)/init.c
ASM_SRCS += $(ENV_DIR)/start.S $(ENV_DIR)/entry.S
C_SRCS += $(PLATFORM_DIR)/init.c
LINKER_SCRIPT ?= $(PLATFORM_DIR)/$(LINK_TARGET).lds
@ -26,7 +27,13 @@ INCLUDES += -I$(PLATFORM_DIR)
LDFLAGS += -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI)
LDFLAGS += -L$(ENV_DIR)
LD_SCRIPT += -T $(LINKER_SCRIPT) -Wl,--no-warn-rwx-segments -Wl,-Map=$(TARGET).map -nostartfiles
# --specs=nano.specs
ifneq (,$(findstring specs=nano.specs,$(LDFLAGS), LD_SCRIPT))
# Found
else
# Not found
endif
ASM_OBJS := $(ASM_SRCS:.S=.o)
C_OBJS := $(C_SRCS:.c=.o)
@ -56,8 +63,9 @@ OBJDUMP := $(TOOL_DIR)$(TRIPLET)-objdump
OBJCOPY := $(TOOL_DIR)$(TRIPLET)-objcopy
ifndef NO_DEFAULT_LINK
$(TARGET).elf: $(LINK_OBJS) $(LINK_DEPS)
$(LD) $(LINK_OBJS) $(LDFLAGS) $(LIBWRAP) $(LD_SCRIPT) -o $@
$(TARGET): $(LINK_OBJS) $(LINK_DEPS)
echo LINK_OBJS: $(LINK_OBJS)
$(LD) $(LINK_OBJS) $(LDFLAGS) $(LIBWRAP_LDFLAGS) $(LIBWRAP) $(LD_SCRIPT) -o $@
$(OBJDUMP) -d -S $@ > $(TARGET).dis
endif

0
env/ehrenberg/flash.lds → env/ehrenberg/link.lds vendored
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0
env/hifive1/flash.lds → env/hifive1/link.lds vendored
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18
include/sifive/const.h Normal file
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@ -0,0 +1,18 @@
// See LICENSE for license details.
/* Derived from <linux/const.h> */
#ifndef _SIFIVE_CONST_H
#define _SIFIVE_CONST_H
#ifdef __ASSEMBLER__
#define _AC(X,Y) X
#define _AT(T,X) X
#else
#define _AC(X,Y) (X##Y)
#define _AT(T,X) ((T)(X))
#endif /* !__ASSEMBLER__*/
#define _BITUL(x) (_AC(1,UL) << (x))
#define _BITULL(x) (_AC(1,ULL) << (x))
#endif /* _SIFIVE_CONST_H */

17
include/tgc-vp/const.h Normal file
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@ -0,0 +1,17 @@
/* Derived from <linux/const.h> */
#ifndef _SIFIVE_CONST_H
#define _SIFIVE_CONST_H
#ifdef __ASSEMBLER__
#define _AC(X,Y) X
#define _AT(T,X) X
#else
#define _AC(X,Y) (X##Y)
#define _AT(T,X) ((T)(X))
#endif /* !__ASSEMBLER__*/
#define _BITUL(x) (_AC(1,UL) << (x))
#define _BITULL(x) (_AC(1,ULL) << (x))
#endif /* _SIFIVE_CONST_H */

4
libwrap/sys/puts.c
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@ -15,6 +15,10 @@ int __wrap_puts(const char *s)
#if defined(BOARD_ehrenberg)
while (uart_get_tx_free(uart)==0) ;
uart_write(uart, *s);
#elif defined(BOARD_iss)
*((uint32_t*) 0xFFFF0000) = *s;
#elif defined(BOARD_TGC5L)
//TODO: implement
#else
while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
UART0_REG(UART_REG_TXFIFO) = *s;

13
libwrap/sys/read.c
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@ -17,6 +17,10 @@ ssize_t __wrap_read(int fd, void* ptr, size_t len)
#if defined(BOARD_hifive1)
volatile uint32_t * uart_rx = (uint32_t *)(UART0_CTRL_ADDR + UART_REG_RXFIFO);
volatile uint8_t * uart_rx_cnt = (uint8_t *)(UART0_CTRL_ADDR + UART_REG_RXCTRL + 2);
#elif defined(BOARD_iss)
volatile uint32_t * uart_rx = (uint32_t*)0xFFFF0000;
#elif defined(BOARD_TGC5L)
//TODO: implement
#elif !defined(BOARD_ehrenberg)
volatile uint32_t * uart_rx = (uint32_t *)(UART0_BASE_ADDR + UART_REG_RXFIFO);
volatile uint8_t * uart_rx_cnt = (uint8_t *)(UART0_BASE_ADDR + UART_REG_RXCTRL + 2);
@ -30,6 +34,15 @@ ssize_t __wrap_read(int fd, void* ptr, size_t len)
*current = uart_read(uart);
result++;
}
#elif defined(BOARD_iss)
for (current = (uint8_t *)ptr;
(current < ((uint8_t *)ptr) + len);
current ++) {
*current = *uart_rx;
result++;
}
#elif defined(BOARD_TGC5L)
//TODO: implement
#else
for (current = (uint8_t *)ptr;
(current < ((uint8_t *)ptr) + len) && (*uart_rx_cnt > 0);

4
libwrap/sys/write.c
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@ -21,6 +21,10 @@ ssize_t __wrap_write(int fd, const void* ptr, size_t len)
while (uart_get_tx_free(uart)==0) ;
uart_write(uart, '\r');
}
#elif defined(BOARD_iss)
*((uint32_t*) 0xFFFF0000) = current[jj];
#elif defined(BOARD_TGC5L)
//TODO: implement
#else
while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
UART0_REG(UART_REG_TXFIFO) = current[jj];