diff --git a/fiveforths.ld b/fiveforths.ld index 505331b..1d3941f 100644 --- a/fiveforths.ld +++ b/fiveforths.ld @@ -15,54 +15,7 @@ SECTIONS { { . = ALIGN(4); *(.text) /* .text sections (code) */ - *(.text*) /* .text* sections (code) */ *(.rodata) /* .rodata sections (constants, strings, etc.) */ - *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ - *(.srodata) /* .rodata sections (constants, strings, etc.) */ - *(.srodata*) /* .rodata* sections (constants, strings, etc.) */ - _etext = .; /* define a global symbol at end of code */ - _sidata = _etext; /* This is used by the startup in order to initialize the .data secion */ } >FLASH - /* This is the initialized data section - The program executes knowing that the data is in the RAM - but the loader puts the initial values in the FLASH (inidata). - It is one task of the startup to copy the initial values from FLASH to RAM. */ - .data : AT ( _sidata ) - { - . = ALIGN(4); - _sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .d -ata section in RAM */ - _ram_start = .; /* create a global symbol at ram start for garbage collector */ - . = ALIGN(4); - *(.data) /* .data sections */ - *(.data*) /* .data* sections */ - *(.sdata) /* .sdata sections */ - *(.sdata*) /* .sdata* sections */ - . = ALIGN(4); - _edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .dat -a section in RAM */ - } >RAM - - /* Uninitialized data section */ - .bss : - { - . = ALIGN(4); - _sbss = .; /* define a global symbol at bss start; used by startup code */ - *(.bss) - *(.bss*) - *(.sbss) - *(.sbss*) - *(COMMON) - - . = ALIGN(4); - _ebss = .; /* define a global symbol at bss end; used by startup code */ - } >RAM - - /* this is to define the start of the heap, and make sure we have a minimum size */ - .heap : - { - . = ALIGN(4); - _heap_start = .; /* define a global symbol at heap start */ - } >RAM } diff --git a/src/03-interrupts.s b/src/03-interrupts.s index 35be8f7..a44034a 100644 --- a/src/03-interrupts.s +++ b/src/03-interrupts.s @@ -3,6 +3,9 @@ ## .text +.global _start +_start: + j boot .balign CELL .global interrupt_handler diff --git a/src/06-initialization.s b/src/06-initialization.s index 42844ff..8eb6d99 100644 --- a/src/06-initialization.s +++ b/src/06-initialization.s @@ -6,7 +6,7 @@ .global _start # board boot initializations -_start: +boot: call interrupt_init # RISC-V interrupt CSR initialization call uart_init # board specific UART initialization call gpio_init # board specific GPIO initialization