Compare commits
	
		
			2 Commits
		
	
	
		
			28bf59f0e3
			...
			71c7fd6981
		
	
	| Author | SHA1 | Date | |
|---|---|---|---|
| 71c7fd6981 | |||
| a45fee1f7e | 
							
								
								
									
										1
									
								
								env/tgc-vp/.gitignore
									
									
									
									
										vendored
									
									
								
							
							
						
						
									
										1
									
								
								env/tgc-vp/.gitignore
									
									
									
									
										vendored
									
									
								
							@@ -1 +0,0 @@
 | 
			
		||||
/*.o
 | 
			
		||||
							
								
								
									
										116
									
								
								env/tgc-vp/init.c
									
									
									
									
										vendored
									
									
								
							
							
						
						
									
										116
									
								
								env/tgc-vp/init.c
									
									
									
									
										vendored
									
									
								
							@@ -1,116 +0,0 @@
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
#include <stdio.h>
 | 
			
		||||
#include <unistd.h>
 | 
			
		||||
 | 
			
		||||
#include "platform.h"
 | 
			
		||||
#include "encoding.h"
 | 
			
		||||
 | 
			
		||||
extern int main(int argc, char** argv);
 | 
			
		||||
extern void trap_entry();
 | 
			
		||||
 | 
			
		||||
static unsigned long mtime_lo(void)
 | 
			
		||||
{
 | 
			
		||||
    unsigned long ret;
 | 
			
		||||
    __asm volatile("rdtime %0":"=r"(ret));
 | 
			
		||||
    return ret;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
#if __riscv_xlen==32
 | 
			
		||||
 | 
			
		||||
static uint32_t mtime_hi(void)
 | 
			
		||||
{
 | 
			
		||||
    unsigned long ret;
 | 
			
		||||
    __asm volatile("rdtimeh %0":"=r"(ret));
 | 
			
		||||
    return ret;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
uint64_t get_timer_value()
 | 
			
		||||
{
 | 
			
		||||
  while (1) {
 | 
			
		||||
    uint32_t hi = mtime_hi();
 | 
			
		||||
    uint32_t lo = mtime_lo();
 | 
			
		||||
    if (hi == mtime_hi())
 | 
			
		||||
      return ((uint64_t)hi << 32) | lo;
 | 
			
		||||
  }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#elif __riscv_xlen==64
 | 
			
		||||
 | 
			
		||||
uint64_t get_timer_value()
 | 
			
		||||
{
 | 
			
		||||
  return mtime_lo();
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
unsigned long get_timer_freq()
 | 
			
		||||
{
 | 
			
		||||
  return 32768;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
unsigned long get_cpu_freq()
 | 
			
		||||
{
 | 
			
		||||
  return 10000000;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void init_pll(void){
 | 
			
		||||
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static void uart_init(size_t baud_rate)
 | 
			
		||||
{
 | 
			
		||||
  GPIO_REG(GPIO_IOF_SEL) &= ~IOF0_UART0_MASK;
 | 
			
		||||
  GPIO_REG(GPIO_IOF_EN) |= IOF0_UART0_MASK;
 | 
			
		||||
  UART0_REG(UART_REG_DIV) = get_cpu_freq() / baud_rate - 1;
 | 
			
		||||
  UART0_REG(UART_REG_TXCTRL) |= UART_TXEN;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#ifdef USE_PLIC
 | 
			
		||||
extern void handle_m_ext_interrupt();
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
#ifdef USE_M_TIME
 | 
			
		||||
extern void handle_m_time_interrupt();
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
uintptr_t handle_trap(uintptr_t mcause, uintptr_t epc)
 | 
			
		||||
{
 | 
			
		||||
  if (0){
 | 
			
		||||
#ifdef USE_PLIC
 | 
			
		||||
    // External Machine-Level interrupt from PLIC
 | 
			
		||||
  } else if ((mcause & MCAUSE_INT) && ((mcause & MCAUSE_CAUSE) == IRQ_M_EXT)) {
 | 
			
		||||
    handle_m_ext_interrupt();
 | 
			
		||||
#endif
 | 
			
		||||
#ifdef USE_M_TIME
 | 
			
		||||
    // External Machine-Level interrupt from PLIC
 | 
			
		||||
  } else if ((mcause & MCAUSE_INT) && ((mcause & MCAUSE_CAUSE) == IRQ_M_TIMER)){
 | 
			
		||||
    handle_m_time_interrupt();
 | 
			
		||||
#endif
 | 
			
		||||
  }
 | 
			
		||||
  else {
 | 
			
		||||
    write(1, "trap\n", 5);
 | 
			
		||||
    _exit(1 + mcause);
 | 
			
		||||
  }
 | 
			
		||||
  return epc;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void _init()
 | 
			
		||||
{
 | 
			
		||||
  
 | 
			
		||||
#ifndef NO_INIT
 | 
			
		||||
  init_pll();
 | 
			
		||||
  uart_init(115200);
 | 
			
		||||
  printf("core freq at %d Hz\n", get_cpu_freq());
 | 
			
		||||
  write_csr(mtvec, &trap_entry);
 | 
			
		||||
  if (read_csr(misa) & (1 << ('F' - 'A'))) { // if F extension is present
 | 
			
		||||
    write_csr(mstatus, MSTATUS_FS); // allow FPU instructions without trapping
 | 
			
		||||
    write_csr(fcsr, 0); // initialize rounding mode, undefined at reset
 | 
			
		||||
  }
 | 
			
		||||
#endif
 | 
			
		||||
  
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void _fini()
 | 
			
		||||
{
 | 
			
		||||
}
 | 
			
		||||
							
								
								
									
										174
									
								
								env/tgc-vp/link.lds
									
									
									
									
										vendored
									
									
								
							
							
						
						
									
										174
									
								
								env/tgc-vp/link.lds
									
									
									
									
										vendored
									
									
								
							@@ -1,174 +0,0 @@
 | 
			
		||||
OUTPUT_ARCH( "riscv" )
 | 
			
		||||
 | 
			
		||||
ENTRY( _start )
 | 
			
		||||
 | 
			
		||||
MEMORY
 | 
			
		||||
{
 | 
			
		||||
  flash (rxai!w) : ORIGIN = 0x20000000, LENGTH = 512M
 | 
			
		||||
  ram (wxa!ri) :   ORIGIN = 0x80000000, LENGTH = 128K
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
PHDRS
 | 
			
		||||
{
 | 
			
		||||
  flash PT_LOAD;
 | 
			
		||||
  ram_init PT_LOAD;
 | 
			
		||||
  ram PT_NULL;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
SECTIONS
 | 
			
		||||
{
 | 
			
		||||
  __stack_size = DEFINED(__stack_size) ? __stack_size : 2K;
 | 
			
		||||
 | 
			
		||||
  .init ORIGIN(flash)        :
 | 
			
		||||
  {
 | 
			
		||||
    KEEP (*(SORT_NONE(.init)))
 | 
			
		||||
  } >flash AT>flash :flash
 | 
			
		||||
 | 
			
		||||
  .text           :
 | 
			
		||||
  {
 | 
			
		||||
    *(.text.unlikely .text.unlikely.*)
 | 
			
		||||
    *(.text.startup .text.startup.*)
 | 
			
		||||
    *(.text .text.*)
 | 
			
		||||
    *(.gnu.linkonce.t.*)
 | 
			
		||||
  } >flash AT>flash :flash
 | 
			
		||||
 | 
			
		||||
  .fini           :
 | 
			
		||||
  {
 | 
			
		||||
    KEEP (*(SORT_NONE(.fini)))
 | 
			
		||||
  } >flash AT>flash :flash
 | 
			
		||||
 | 
			
		||||
  PROVIDE (__etext = .);
 | 
			
		||||
  PROVIDE (_etext = .);
 | 
			
		||||
  PROVIDE (etext = .);
 | 
			
		||||
 | 
			
		||||
  .rodata         :
 | 
			
		||||
  {
 | 
			
		||||
    *(.rdata)
 | 
			
		||||
    *(.rodata .rodata.*)
 | 
			
		||||
    *(.gnu.linkonce.r.*)
 | 
			
		||||
  } >flash AT>flash :flash
 | 
			
		||||
 | 
			
		||||
  . = ALIGN(4);
 | 
			
		||||
 | 
			
		||||
  .preinit_array  :
 | 
			
		||||
  {
 | 
			
		||||
    PROVIDE_HIDDEN (__preinit_array_start = .);
 | 
			
		||||
    KEEP (*(.preinit_array))
 | 
			
		||||
    PROVIDE_HIDDEN (__preinit_array_end = .);
 | 
			
		||||
  } >flash AT>flash :flash
 | 
			
		||||
 | 
			
		||||
  .init_array     :
 | 
			
		||||
  {
 | 
			
		||||
    PROVIDE_HIDDEN (__init_array_start = .);
 | 
			
		||||
    KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
 | 
			
		||||
    KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
 | 
			
		||||
    PROVIDE_HIDDEN (__init_array_end = .);
 | 
			
		||||
  } >flash AT>flash :flash
 | 
			
		||||
 | 
			
		||||
  .fini_array     :
 | 
			
		||||
  {
 | 
			
		||||
    PROVIDE_HIDDEN (__fini_array_start = .);
 | 
			
		||||
    KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
 | 
			
		||||
    KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
 | 
			
		||||
    PROVIDE_HIDDEN (__fini_array_end = .);
 | 
			
		||||
  } >flash AT>flash :flash
 | 
			
		||||
 | 
			
		||||
  .ctors          :
 | 
			
		||||
  {
 | 
			
		||||
    /* gcc uses crtbegin.o to find the start of
 | 
			
		||||
       the constructors, so we make sure it is
 | 
			
		||||
       first.  Because this is a wildcard, it
 | 
			
		||||
       doesn't matter if the user does not
 | 
			
		||||
       actually link against crtbegin.o; the
 | 
			
		||||
       linker won't look for a file to match a
 | 
			
		||||
       wildcard.  The wildcard also means that it
 | 
			
		||||
       doesn't matter which directory crtbegin.o
 | 
			
		||||
       is in.  */
 | 
			
		||||
    KEEP (*crtbegin.o(.ctors))
 | 
			
		||||
    KEEP (*crtbegin?.o(.ctors))
 | 
			
		||||
    /* We don't want to include the .ctor section from
 | 
			
		||||
       the crtend.o file until after the sorted ctors.
 | 
			
		||||
       The .ctor section from the crtend file contains the
 | 
			
		||||
       end of ctors marker and it must be last */
 | 
			
		||||
    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
 | 
			
		||||
    KEEP (*(SORT(.ctors.*)))
 | 
			
		||||
    KEEP (*(.ctors))
 | 
			
		||||
  } >flash AT>flash :flash
 | 
			
		||||
 | 
			
		||||
  .dtors          :
 | 
			
		||||
  {
 | 
			
		||||
    KEEP (*crtbegin.o(.dtors))
 | 
			
		||||
    KEEP (*crtbegin?.o(.dtors))
 | 
			
		||||
    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
 | 
			
		||||
    KEEP (*(SORT(.dtors.*)))
 | 
			
		||||
    KEEP (*(.dtors))
 | 
			
		||||
  } >flash AT>flash :flash
 | 
			
		||||
 | 
			
		||||
  .lalign         :
 | 
			
		||||
  {
 | 
			
		||||
    . = ALIGN(4);
 | 
			
		||||
    PROVIDE( _data_lma = . );
 | 
			
		||||
  } >flash AT>flash :flash
 | 
			
		||||
 | 
			
		||||
  .dalign         :
 | 
			
		||||
  {
 | 
			
		||||
    . = ALIGN(4);
 | 
			
		||||
    PROVIDE( _data = . );
 | 
			
		||||
  } >ram AT>flash :ram_init
 | 
			
		||||
 | 
			
		||||
  .data          :
 | 
			
		||||
  {
 | 
			
		||||
    __DATA_BEGIN__ = .;
 | 
			
		||||
    *(.data .data.*)
 | 
			
		||||
    *(.gnu.linkonce.d.*)
 | 
			
		||||
  } >ram AT>flash :ram_init
 | 
			
		||||
 | 
			
		||||
  .srodata        :
 | 
			
		||||
  {
 | 
			
		||||
    PROVIDE( _gp = . + 0x800 );
 | 
			
		||||
    *(.srodata.cst16)
 | 
			
		||||
    *(.srodata.cst8)
 | 
			
		||||
    *(.srodata.cst4)
 | 
			
		||||
    *(.srodata.cst2)
 | 
			
		||||
    *(.srodata .srodata.*)
 | 
			
		||||
  } >ram AT>flash :ram_init
 | 
			
		||||
 | 
			
		||||
  .sdata          :
 | 
			
		||||
  {
 | 
			
		||||
    __SDATA_BEGIN__ = .;
 | 
			
		||||
    *(.sdata .sdata.*)
 | 
			
		||||
    *(.gnu.linkonce.s.*)
 | 
			
		||||
  } >ram AT>flash :ram_init
 | 
			
		||||
 | 
			
		||||
  . = ALIGN(4);
 | 
			
		||||
  PROVIDE( _edata = . );
 | 
			
		||||
  PROVIDE( edata = . );
 | 
			
		||||
 | 
			
		||||
  PROVIDE( _fbss = . );
 | 
			
		||||
  PROVIDE( __bss_start = . );
 | 
			
		||||
  .bss            :
 | 
			
		||||
  {
 | 
			
		||||
    *(.sbss*)
 | 
			
		||||
    *(.gnu.linkonce.sb.*)
 | 
			
		||||
    *(.bss .bss.*)
 | 
			
		||||
    *(.gnu.linkonce.b.*)
 | 
			
		||||
    *(COMMON)
 | 
			
		||||
    . = ALIGN(4);
 | 
			
		||||
  } >ram AT>ram :ram
 | 
			
		||||
 | 
			
		||||
  . = ALIGN(8);
 | 
			
		||||
  __BSS_END__ = .;
 | 
			
		||||
  __global_pointer$ = MIN(__SDATA_BEGIN__ + 0x800,  MAX(__DATA_BEGIN__ + 0x800, __BSS_END__ - 0x800));
 | 
			
		||||
  PROVIDE( _end = . );
 | 
			
		||||
  PROVIDE( end = . );
 | 
			
		||||
 | 
			
		||||
  .stack ORIGIN(ram) + LENGTH(ram) - __stack_size :
 | 
			
		||||
  {
 | 
			
		||||
    PROVIDE( _heap_end = . );
 | 
			
		||||
    . = __stack_size;
 | 
			
		||||
    PROVIDE( _sp = . );
 | 
			
		||||
  } >ram AT>ram :ram
 | 
			
		||||
 | 
			
		||||
  PROVIDE( tohost = 0xfffffff0 );
 | 
			
		||||
  PROVIDE( fromhost = 0xfffffff8 );
 | 
			
		||||
}
 | 
			
		||||
							
								
								
									
										127
									
								
								env/tgc-vp/platform.h
									
									
									
									
										vendored
									
									
								
							
							
						
						
									
										127
									
								
								env/tgc-vp/platform.h
									
									
									
									
										vendored
									
									
								
							@@ -1,127 +0,0 @@
 | 
			
		||||
// See LICENSE for license details.
 | 
			
		||||
 | 
			
		||||
#ifndef _ISS_PLATFORM_H
 | 
			
		||||
#define _ISS_PLATFORM_H
 | 
			
		||||
 | 
			
		||||
// Some things missing from the official encoding.h
 | 
			
		||||
#define MCAUSE_INT         0x80000000
 | 
			
		||||
#define MCAUSE_CAUSE       0x7FFFFFFF
 | 
			
		||||
 | 
			
		||||
#include "bits.h"
 | 
			
		||||
#include "tgc-vp/devices/aon.h"
 | 
			
		||||
#include "tgc-vp/devices/clint.h"
 | 
			
		||||
#include "tgc-vp/devices/gpio.h"
 | 
			
		||||
#include "tgc-vp/devices/otp.h"
 | 
			
		||||
#include "tgc-vp/devices/plic.h"
 | 
			
		||||
#include "tgc-vp/devices/prci.h"
 | 
			
		||||
#include "tgc-vp/devices/pwm.h"
 | 
			
		||||
#include "tgc-vp/devices/spi.h"
 | 
			
		||||
#include "tgc-vp/devices/uart.h"
 | 
			
		||||
 | 
			
		||||
/****************************************************************************
 | 
			
		||||
 * Platform definitions
 | 
			
		||||
 *****************************************************************************/
 | 
			
		||||
 | 
			
		||||
// Memory map
 | 
			
		||||
#define MASKROM_BASE_ADDR _AC(0x00001000,UL)
 | 
			
		||||
#define TRAPVEC_TABLE_BASE_ADDR _AC(0x00001010,UL)
 | 
			
		||||
#define OTP_MMAP_ADDR _AC(0x00020000,UL)
 | 
			
		||||
#define CLINT_BASE_ADDR _AC(0x02000000,UL)
 | 
			
		||||
#define PLIC_BASE_ADDR _AC(0x0C000000,UL)
 | 
			
		||||
#define AON_BASE_ADDR _AC(0x10000000,UL)
 | 
			
		||||
#define PRCI_BASE_ADDR _AC(0x10008000,UL)
 | 
			
		||||
#define OTP_BASE_ADDR _AC(0x10010000,UL)
 | 
			
		||||
#define GPIO_BASE_ADDR _AC(0x10012000,UL)
 | 
			
		||||
#define UART0_BASE_ADDR _AC(0x10013000,UL)
 | 
			
		||||
#define SPI0_BASE_ADDR _AC(0x10014000,UL)
 | 
			
		||||
#define PWM0_BASE_ADDR _AC(0x10015000,UL)
 | 
			
		||||
#define UART1_BASE_ADDR _AC(0x10023000,UL)
 | 
			
		||||
#define SPI1_BASE_ADDR _AC(0x10024000,UL)
 | 
			
		||||
#define PWM1_BASE_ADDR _AC(0x10025000,UL)
 | 
			
		||||
#define SPI2_BASE_ADDR _AC(0x10034000,UL)
 | 
			
		||||
#define PWM2_BASE_ADDR _AC(0x10035000,UL)
 | 
			
		||||
#define SPI0_MMAP_ADDR _AC(0x20000000,UL)
 | 
			
		||||
#define MEM_BASE_ADDR _AC(0x80000000,UL)
 | 
			
		||||
 | 
			
		||||
// IOF masks
 | 
			
		||||
#define IOF0_SPI1_MASK          _AC(0x000007FC,UL)
 | 
			
		||||
#define SPI11_NUM_SS     (4)
 | 
			
		||||
#define IOF_SPI1_SS0          (2u)
 | 
			
		||||
#define IOF_SPI1_SS1          (8u)
 | 
			
		||||
#define IOF_SPI1_SS2          (9u)
 | 
			
		||||
#define IOF_SPI1_SS3          (10u)
 | 
			
		||||
#define IOF_SPI1_MOSI         (3u)
 | 
			
		||||
#define IOF_SPI1_MISO         (4u)
 | 
			
		||||
#define IOF_SPI1_SCK          (5u)
 | 
			
		||||
#define IOF_SPI1_DQ0          (3u)
 | 
			
		||||
#define IOF_SPI1_DQ1          (4u)
 | 
			
		||||
#define IOF_SPI1_DQ2          (6u)
 | 
			
		||||
#define IOF_SPI1_DQ3          (7u)
 | 
			
		||||
 | 
			
		||||
#define IOF0_SPI2_MASK          _AC(0xFC000000,UL)
 | 
			
		||||
#define SPI2_NUM_SS       (1)
 | 
			
		||||
#define IOF_SPI2_SS0          (26u)
 | 
			
		||||
#define IOF_SPI2_MOSI         (27u)
 | 
			
		||||
#define IOF_SPI2_MISO         (28u)
 | 
			
		||||
#define IOF_SPI2_SCK          (29u)
 | 
			
		||||
#define IOF_SPI2_DQ0          (27u)
 | 
			
		||||
#define IOF_SPI2_DQ1          (28u)
 | 
			
		||||
#define IOF_SPI2_DQ2          (30u)
 | 
			
		||||
#define IOF_SPI2_DQ3          (31u)
 | 
			
		||||
 | 
			
		||||
//#define IOF0_I2C_MASK          _AC(0x00003000,UL)
 | 
			
		||||
 | 
			
		||||
#define IOF0_UART0_MASK         _AC(0x00030000, UL)
 | 
			
		||||
#define IOF_UART0_RX   (16u)
 | 
			
		||||
#define IOF_UART0_TX   (17u)
 | 
			
		||||
 | 
			
		||||
#define IOF0_UART1_MASK         _AC(0x03000000, UL)
 | 
			
		||||
#define IOF_UART1_RX (24u)
 | 
			
		||||
#define IOF_UART1_TX (25u)
 | 
			
		||||
 | 
			
		||||
#define IOF1_PWM0_MASK          _AC(0x0000000F, UL)
 | 
			
		||||
#define IOF1_PWM1_MASK          _AC(0x00780000, UL)
 | 
			
		||||
#define IOF1_PWM2_MASK          _AC(0x00003C00, UL)
 | 
			
		||||
 | 
			
		||||
// Interrupt numbers
 | 
			
		||||
#define INT_RESERVED 0
 | 
			
		||||
#define INT_WDOGCMP 1
 | 
			
		||||
#define INT_RTCCMP 2
 | 
			
		||||
#define INT_UART0_BASE 3
 | 
			
		||||
#define INT_UART1_BASE 4
 | 
			
		||||
#define INT_SPI0_BASE 5
 | 
			
		||||
#define INT_SPI1_BASE 6
 | 
			
		||||
#define INT_SPI2_BASE 7
 | 
			
		||||
#define INT_GPIO_BASE 8
 | 
			
		||||
#define INT_PWM0_BASE 40
 | 
			
		||||
#define INT_PWM1_BASE 44
 | 
			
		||||
#define INT_PWM2_BASE 48
 | 
			
		||||
 | 
			
		||||
// Helper functions
 | 
			
		||||
#define _REG32(p, i) (*(volatile uint32_t *) ((p) + (i)))
 | 
			
		||||
#define _REG32P(p, i) ((volatile uint32_t *) ((p) + (i)))
 | 
			
		||||
#define AON_REG(offset) _REG32(AON_BASE_ADDR, offset)
 | 
			
		||||
#define CLINT_REG(offset) _REG32(CLINT_BASE_ADDR, offset)
 | 
			
		||||
#define GPIO_REG(offset) _REG32(GPIO_BASE_ADDR, offset)
 | 
			
		||||
#define OTP_REG(offset)  _REG32(OTP_BASE_ADDR, offset)
 | 
			
		||||
#define PLIC_REG(offset) _REG32(PLIC_BASE_ADDR, offset)
 | 
			
		||||
#define PRCI_REG(offset) _REG32(PRCI_BASE_ADDR, offset)
 | 
			
		||||
#define PWM0_REG(offset) _REG32(PWM0_BASE_ADDR, offset)
 | 
			
		||||
#define PWM1_REG(offset) _REG32(PWM1_BASE_ADDR, offset)
 | 
			
		||||
#define PWM2_REG(offset) _REG32(PWM2_BASE_ADDR, offset)
 | 
			
		||||
#define SPI0_REG(offset) _REG32(SPI0_BASE_ADDR, offset)
 | 
			
		||||
#define SPI1_REG(offset) _REG32(SPI1_BASE_ADDR, offset)
 | 
			
		||||
#define SPI2_REG(offset) _REG32(SPI2_BASE_ADDR, offset)
 | 
			
		||||
#define UART0_REG(offset) _REG32(UART0_BASE_ADDR, offset)
 | 
			
		||||
#define UART1_REG(offset) _REG32(UART1_BASE_ADDR, offset)
 | 
			
		||||
 | 
			
		||||
// Misc
 | 
			
		||||
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
 | 
			
		||||
void init_pll(void);
 | 
			
		||||
unsigned long get_cpu_freq(void);
 | 
			
		||||
unsigned long get_timer_freq(void);
 | 
			
		||||
uint64_t get_timer_value(void);
 | 
			
		||||
 | 
			
		||||
#endif /* _ISS_PLATFORM_H */
 | 
			
		||||
							
								
								
									
										1
									
								
								env/tgc_vp
									
									
									
									
										vendored
									
									
										Symbolic link
									
								
							
							
						
						
									
										1
									
								
								env/tgc_vp
									
									
									
									
										vendored
									
									
										Symbolic link
									
								
							@@ -0,0 +1 @@
 | 
			
		||||
ehrenberg/
 | 
			
		||||
@@ -1,20 +1,18 @@
 | 
			
		||||
#ifndef _BSP_TIMER_H
 | 
			
		||||
#define _BSP_TIMER_H
 | 
			
		||||
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
#include "gen/Apb3Timer.h"
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
 | 
			
		||||
#define timer_t apb3timer_t
 | 
			
		||||
 | 
			
		||||
inline void prescaler_init(timer_t* reg, uint16_t value){
 | 
			
		||||
inline void prescaler_init(apb3timer_t *reg, uint16_t value) {
 | 
			
		||||
  set_timer_prescaler(reg, value);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
inline void timer_t0__init(timer_t *reg){
 | 
			
		||||
inline void timer_t0__init(apb3timer_t *reg) {
 | 
			
		||||
  set_timer_t0_overflow(reg, 0xffffffff);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
inline void timer_t1__init(timer_t *reg){
 | 
			
		||||
inline void timer_t1__init(apb3timer_t *reg) {
 | 
			
		||||
  set_timer_t1_overflow(reg, 0xffffffff);
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -1,30 +1,32 @@
 | 
			
		||||
/* See LICENSE of license details. */
 | 
			
		||||
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
#include <errno.h>
 | 
			
		||||
#include <unistd.h>
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
#include <sys/types.h>
 | 
			
		||||
#include <unistd.h>
 | 
			
		||||
 | 
			
		||||
#include "platform.h"
 | 
			
		||||
#include "stub.h"
 | 
			
		||||
#include "weak_under_alias.h"
 | 
			
		||||
 | 
			
		||||
int __wrap_puts(const char *s)
 | 
			
		||||
{
 | 
			
		||||
int __wrap_puts(const char *s) {
 | 
			
		||||
  while (*s != '\0') {
 | 
			
		||||
#if defined(BOARD_ehrenberg)
 | 
			
		||||
    while (get_uart_rx_tx_reg_tx_free(uart)==0) ;
 | 
			
		||||
#if defined(BOARD_ehrenberg) || defined(BOARD_tgc_vp)
 | 
			
		||||
    while (get_uart_rx_tx_reg_tx_free(uart) == 0)
 | 
			
		||||
      ;
 | 
			
		||||
    uart_write(uart, *s);
 | 
			
		||||
#elif defined(BOARD_iss)
 | 
			
		||||
    *((uint32_t *)0xFFFF0000) = *s;
 | 
			
		||||
#elif defined(BOARD_TGCP)
 | 
			
		||||
    // TODO: implement
 | 
			
		||||
#else
 | 
			
		||||
    while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
 | 
			
		||||
    while (UART0_REG(UART_REG_TXFIFO) & 0x80000000)
 | 
			
		||||
      ;
 | 
			
		||||
    UART0_REG(UART_REG_TXFIFO) = *s;
 | 
			
		||||
 | 
			
		||||
    if (*s == '\n') {
 | 
			
		||||
      while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
 | 
			
		||||
      while (UART0_REG(UART_REG_TXFIFO) & 0x80000000)
 | 
			
		||||
        ;
 | 
			
		||||
      UART0_REG(UART_REG_TXFIFO) = '\r';
 | 
			
		||||
    }
 | 
			
		||||
#endif
 | 
			
		||||
 
 | 
			
		||||
@@ -1,42 +1,39 @@
 | 
			
		||||
/* See LICENSE of license details. */
 | 
			
		||||
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
#include <errno.h>
 | 
			
		||||
#include <unistd.h>
 | 
			
		||||
#include <sys/types.h>
 | 
			
		||||
#if defined(BOARD_ehrenberg)
 | 
			
		||||
#include "platform.h"
 | 
			
		||||
#endif
 | 
			
		||||
#include "platform.h"
 | 
			
		||||
#include "stub.h"
 | 
			
		||||
#include "weak_under_alias.h"
 | 
			
		||||
#include <errno.h>
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
#include <sys/types.h>
 | 
			
		||||
#include <unistd.h>
 | 
			
		||||
 | 
			
		||||
ssize_t __wrap_read(int fd, void* ptr, size_t len)
 | 
			
		||||
{
 | 
			
		||||
ssize_t __wrap_read(int fd, void *ptr, size_t len) {
 | 
			
		||||
  uint8_t *current = (uint8_t *)ptr;
 | 
			
		||||
#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);
 | 
			
		||||
  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_TGCP)
 | 
			
		||||
  // TODO: implement
 | 
			
		||||
#elif !defined(BOARD_ehrenberg)
 | 
			
		||||
#elif !defined(BOARD_ehrenberg) && !defined(BOARD_tgc_vp)
 | 
			
		||||
  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);
 | 
			
		||||
  volatile uint8_t *uart_rx_cnt =
 | 
			
		||||
      (uint8_t *)(UART0_BASE_ADDR + UART_REG_RXCTRL + 2);
 | 
			
		||||
#endif
 | 
			
		||||
  ssize_t result = 0;
 | 
			
		||||
  if (isatty(fd)) {
 | 
			
		||||
#if defined(BOARD_ehrenberg)
 | 
			
		||||
        for (current = (uint8_t *)ptr;
 | 
			
		||||
            (current < ((uint8_t *)ptr) + len) && (get_uart_rx_tx_reg_rx_avail(uart) > 0);
 | 
			
		||||
#if defined(BOARD_ehrenberg) || defined(BOARD_tgc_vp)
 | 
			
		||||
    for (current = (uint8_t *)ptr; (current < ((uint8_t *)ptr) + len) &&
 | 
			
		||||
                                   (get_uart_rx_tx_reg_rx_avail(uart) > 0);
 | 
			
		||||
         current++) {
 | 
			
		||||
      *current = uart_read(uart);
 | 
			
		||||
      result++;
 | 
			
		||||
    }
 | 
			
		||||
#elif defined(BOARD_iss)
 | 
			
		||||
    for (current = (uint8_t *)ptr;
 | 
			
		||||
                (current < ((uint8_t *)ptr) + len);
 | 
			
		||||
    for (current = (uint8_t *)ptr; (current < ((uint8_t *)ptr) + len);
 | 
			
		||||
         current++) {
 | 
			
		||||
      *current = *uart_rx;
 | 
			
		||||
      result++;
 | 
			
		||||
@@ -45,8 +42,7 @@ ssize_t __wrap_read(int fd, void* ptr, size_t len)
 | 
			
		||||
    // TODO: implement
 | 
			
		||||
#else
 | 
			
		||||
    for (current = (uint8_t *)ptr;
 | 
			
		||||
                (current < ((uint8_t *)ptr) + len) && (*uart_rx_cnt > 0);
 | 
			
		||||
                current ++) {
 | 
			
		||||
         (current < ((uint8_t *)ptr) + len) && (*uart_rx_cnt > 0); current++) {
 | 
			
		||||
      *current = *uart_rx;
 | 
			
		||||
      result++;
 | 
			
		||||
    }
 | 
			
		||||
@@ -56,4 +52,3 @@ ssize_t __wrap_read(int fd, void* ptr, size_t len)
 | 
			
		||||
  return _stub(EBADF);
 | 
			
		||||
}
 | 
			
		||||
weak_under_alias(read);
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -1,23 +1,24 @@
 | 
			
		||||
/* See LICENSE of license details. */
 | 
			
		||||
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
#include <errno.h>
 | 
			
		||||
#include <unistd.h>
 | 
			
		||||
#include <stdint.h>
 | 
			
		||||
#include <sys/types.h>
 | 
			
		||||
#include <unistd.h>
 | 
			
		||||
 | 
			
		||||
#include "platform.h"
 | 
			
		||||
#include "stub.h"
 | 
			
		||||
#include "weak_under_alias.h"
 | 
			
		||||
ssize_t __wrap_write(int fd, const void* ptr, size_t len)
 | 
			
		||||
{
 | 
			
		||||
ssize_t __wrap_write(int fd, const void *ptr, size_t len) {
 | 
			
		||||
  const uint8_t *current = (const uint8_t *)ptr;
 | 
			
		||||
  if (isatty(fd)) {
 | 
			
		||||
    for (size_t jj = 0; jj < len; jj++) {
 | 
			
		||||
#if defined(BOARD_ehrenberg)
 | 
			
		||||
            while (get_uart_rx_tx_reg_tx_free(uart)==0) ;
 | 
			
		||||
#if defined(BOARD_ehrenberg) || defined(BOARD_tgc_vp)
 | 
			
		||||
      while (get_uart_rx_tx_reg_tx_free(uart) == 0)
 | 
			
		||||
        ;
 | 
			
		||||
      uart_write(uart, current[jj]);
 | 
			
		||||
      if (current[jj] == '\n') {
 | 
			
		||||
                while (get_uart_rx_tx_reg_tx_free(uart)==0) ;
 | 
			
		||||
        while (get_uart_rx_tx_reg_tx_free(uart) == 0)
 | 
			
		||||
          ;
 | 
			
		||||
        uart_write(uart, '\r');
 | 
			
		||||
      }
 | 
			
		||||
#elif defined(BOARD_iss)
 | 
			
		||||
@@ -25,11 +26,13 @@ ssize_t __wrap_write(int fd, const void* ptr, size_t len)
 | 
			
		||||
#elif defined(BOARD_TGCP)
 | 
			
		||||
      // TODO: implement
 | 
			
		||||
#else
 | 
			
		||||
            while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
 | 
			
		||||
      while (UART0_REG(UART_REG_TXFIFO) & 0x80000000)
 | 
			
		||||
        ;
 | 
			
		||||
      UART0_REG(UART_REG_TXFIFO) = current[jj];
 | 
			
		||||
 | 
			
		||||
      if (current[jj] == '\n') {
 | 
			
		||||
                while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
 | 
			
		||||
        while (UART0_REG(UART_REG_TXFIFO) & 0x80000000)
 | 
			
		||||
          ;
 | 
			
		||||
        UART0_REG(UART_REG_TXFIFO) = '\r';
 | 
			
		||||
      }
 | 
			
		||||
#endif
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user