Remove legacy BSP

Signed-off-by: Nathaniel Graff <nathaniel.graff@sifive.com>

25 files changed, 0 insertions, 409 deletions

diff --git a/bsp/libwrap/libwrap.mk b/bsp/libwrap/libwrap.mk
deleted file mode 100644
index 71bba3d..0000000
--- a/bsp/libwrap/libwrap.mk
+++ /dev/null
@@ -1,56 +0,0 @@
-# See LICENSE for license details.
-
-ifndef _SIFIVE_MK_LIBWRAP
-_SIFIVE_MK_LIBWRAP := # defined
-
-LIBWRAP_DIR := $(dir $(lastword $(MAKEFILE_LIST)))
-LIBWRAP_DIR := $(LIBWRAP_DIR:/=)
-
-LIBWRAP_SRCS := \
-	stdlib/malloc.c \
-	sys/open.c \
-	sys/lseek.c \
-	sys/read.c \
-	sys/write.c \
-	sys/fstat.c \
-	sys/stat.c \
-	sys/close.c \
-	sys/link.c \
-	sys/unlink.c \
-	sys/execve.c \
-	sys/fork.c \
-	sys/getpid.c \
-	sys/kill.c \
-	sys/wait.c \
-	sys/isatty.c \
-	sys/times.c \
-	sys/sbrk.c \
-	sys/_exit.c \
-	sys/puts.c \
-	misc/write_hex.c
-
-LIBWRAP_SRCS := $(foreach f,$(LIBWRAP_SRCS),$(LIBWRAP_DIR)/$(f))
-LIBWRAP_OBJS := $(LIBWRAP_SRCS:.c=.o)
-
-LIBWRAP_SYMS := malloc free \
-	open lseek read write fstat stat close link unlink \
-	execve fork getpid kill wait \
-	isatty times sbrk _exit puts
-
-LIBWRAP := libwrap.a
-
-LINK_DEPS += $(LIBWRAP)
-
-LDFLAGS += $(foreach s,$(LIBWRAP_SYMS),-Wl,--wrap=$(s))
-LDFLAGS += $(foreach s,$(LIBWRAP_SYMS),-Wl,--wrap=_$(s))
-LDFLAGS += -L. -Wl,--start-group -lwrap -lc -Wl,--end-group
-
-CLEAN_OBJS += $(LIBWRAP_OBJS)
-
-$(LIBWRAP_OBJS): %.o: %.c $(HEADERS)
-	$(CC) $(CFLAGS) $(INCLUDES) -c -o $@ $<
-
-$(LIBWRAP): $(LIBWRAP_OBJS)
-	$(AR) rcs $@ $^
-
-endif # _SIFIVE_MK_LIBWRAP
diff --git a/bsp/libwrap/misc/write_hex.c b/bsp/libwrap/misc/write_hex.c
deleted file mode 100644
index a35ad7a..0000000
--- a/bsp/libwrap/misc/write_hex.c
+++ /dev/null
@@ -1,19 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <stdint.h>
-#include <unistd.h>
-#include "platform.h"
-
-void write_hex(int fd, unsigned long int hex)
-{
-  uint8_t ii;
-  uint8_t jj;
-  char towrite;
-  write(fd , "0x", 2);
-  for (ii = sizeof(unsigned long int) * 2 ; ii > 0; ii--) {
-    jj = ii - 1;
-    uint8_t digit = ((hex & (0xF << (jj*4))) >> (jj*4));
-    towrite = digit < 0xA ? ('0' + digit) : ('A' +  (digit - 0xA));
-    write(fd, &towrite, 1);
-  }
-}
diff --git a/bsp/libwrap/stdlib/malloc.c b/bsp/libwrap/stdlib/malloc.c
deleted file mode 100644
index 8f4f432..0000000
--- a/bsp/libwrap/stdlib/malloc.c
+++ /dev/null
@@ -1,17 +0,0 @@
-/* See LICENSE for license details. */
-
-/* These functions are intended for embedded RV32 systems and are
-   obviously incorrect in general. */
-
-void* __wrap_malloc(unsigned long sz)
-{
-  extern void* sbrk(long);
-  void* res = sbrk(sz);
-  if ((long)res == -1)
-    return 0;
-  return res;
-}
-
-void __wrap_free(void* ptr)
-{
-}
diff --git a/bsp/libwrap/sys/_exit.c b/bsp/libwrap/sys/_exit.c
deleted file mode 100644
index 011464f..0000000
--- a/bsp/libwrap/sys/_exit.c
+++ /dev/null
@@ -1,17 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <unistd.h>
-#include "platform.h"
-#include "weak_under_alias.h"
-
-void __wrap_exit(int code)
-{
-  const char message[] = "\nProgam has exited with code:";
-
-  write(STDERR_FILENO, message, sizeof(message) - 1);
-  write_hex(STDERR_FILENO, code);
-  write(STDERR_FILENO, "\n", 1);
-
-  for (;;);
-}
-weak_under_alias(exit);
diff --git a/bsp/libwrap/sys/close.c b/bsp/libwrap/sys/close.c
deleted file mode 100644
index 199fe51..0000000
--- a/bsp/libwrap/sys/close.c
+++ /dev/null
@@ -1,11 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include "stub.h"
-#include "weak_under_alias.h"
-
-int __wrap_close(int fd)
-{
-  return _stub(EBADF);
-}
-weak_under_alias(close);
diff --git a/bsp/libwrap/sys/execve.c b/bsp/libwrap/sys/execve.c
deleted file mode 100644
index f7be25a..0000000
--- a/bsp/libwrap/sys/execve.c
+++ /dev/null
@@ -1,11 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include "stub.h"
-#include "weak_under_alias.h"
-
-int __wrap_execve(const char* name, char* const argv[], char* const env[])
-{
-  return _stub(ENOMEM);
-}
-weak_under_alias(execve);
diff --git a/bsp/libwrap/sys/fork.c b/bsp/libwrap/sys/fork.c
deleted file mode 100644
index 13a3e65..0000000
--- a/bsp/libwrap/sys/fork.c
+++ /dev/null
@@ -1,9 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include "stub.h"
-
-int fork(void)
-{
-  return _stub(EAGAIN);
-}
diff --git a/bsp/libwrap/sys/fstat.c b/bsp/libwrap/sys/fstat.c
deleted file mode 100644
index ff82bf9..0000000
--- a/bsp/libwrap/sys/fstat.c
+++ /dev/null
@@ -1,18 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include <unistd.h>
-#include <sys/stat.h>
-#include "stub.h"
-#include "weak_under_alias.h"
-
-int __wrap_fstat(int fd, struct stat* st)
-{
-  if (isatty(fd)) {
-    st->st_mode = S_IFCHR;
-    return 0;
-  }
-
-  return _stub(EBADF);
-}
-weak_under_alias(fstat);
diff --git a/bsp/libwrap/sys/getpid.c b/bsp/libwrap/sys/getpid.c
deleted file mode 100644
index 195fbec..0000000
--- a/bsp/libwrap/sys/getpid.c
+++ /dev/null
@@ -1,8 +0,0 @@
-/* See LICENSE of license details. */
-#include "weak_under_alias.h"
-
-int __wrap_getpid(void)
-{
-  return 1;
-}
-weak_under_alias(getpid);
diff --git a/bsp/libwrap/sys/isatty.c b/bsp/libwrap/sys/isatty.c
deleted file mode 100644
index 7bb82ab..0000000
--- a/bsp/libwrap/sys/isatty.c
+++ /dev/null
@@ -1,13 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <unistd.h>
-#include "weak_under_alias.h"
-
-int __wrap_isatty(int fd)
-{
-  if (fd == STDOUT_FILENO || fd == STDERR_FILENO)
-    return 1;
-
-  return 0;
-}
-weak_under_alias(isatty);
diff --git a/bsp/libwrap/sys/kill.c b/bsp/libwrap/sys/kill.c
deleted file mode 100644
index 18b9bd4..0000000
--- a/bsp/libwrap/sys/kill.c
+++ /dev/null
@@ -1,11 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include "stub.h"
-#include "weak_under_alias.h"
-
-int __wrap_kill(int pid, int sig)
-{
-  return _stub(EINVAL);
-}
-weak_under_alias(kill);
diff --git a/bsp/libwrap/sys/link.c b/bsp/libwrap/sys/link.c
deleted file mode 100644
index 0cad551..0000000
--- a/bsp/libwrap/sys/link.c
+++ /dev/null
@@ -1,11 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include "stub.h"
-#include "weak_under_alias.h"
-
-int __wrap_link(const char *old_name, const char *new_name)
-{
-  return _stub(EMLINK);
-}
-weak_under_alias(link);
diff --git a/bsp/libwrap/sys/lseek.c b/bsp/libwrap/sys/lseek.c
deleted file mode 100644
index 4131449..0000000
--- a/bsp/libwrap/sys/lseek.c
+++ /dev/null
@@ -1,16 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include "stub.h"
-#include "weak_under_alias.h"
-
-off_t __wrap_lseek(int fd, off_t ptr, int dir)
-{
-  if (isatty(fd))
-    return 0;
-
-  return _stub(EBADF);
-}
-weak_under_alias(lseek);
diff --git a/bsp/libwrap/sys/open.c b/bsp/libwrap/sys/open.c
deleted file mode 100644
index c61415a..0000000
--- a/bsp/libwrap/sys/open.c
+++ /dev/null
@@ -1,11 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include "stub.h"
-#include "weak_under_alias.h"
-
-int __wrap_open(const char* name, int flags, int mode)
-{
-  return _stub(ENOENT);
-}
-weak_under_alias(open);
diff --git a/bsp/libwrap/sys/openat.c b/bsp/libwrap/sys/openat.c
deleted file mode 100644
index 227c956..0000000
--- a/bsp/libwrap/sys/openat.c
+++ /dev/null
@@ -1,11 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include "stub.h"
-#include "weak_under_alias.h"
-
-int __wrap_openat(int dirfd, const char* name, int flags, int mode)
-{
-  return _stub(ENOENT);
-}
-weak_under_alias(openat);
diff --git a/bsp/libwrap/sys/puts.c b/bsp/libwrap/sys/puts.c
deleted file mode 100644
index 50d6437..0000000
--- a/bsp/libwrap/sys/puts.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <stdint.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/types.h>
-
-#include "platform.h"
-#include "stub.h"
-#include "weak_under_alias.h"
-
-int __wrap_puts(const char *s)
-{
-  while (*s != '\0') {
-    while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
-    UART0_REG(UART_REG_TXFIFO) = *s;
-
-    if (*s == '\n') {
-      while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
-      UART0_REG(UART_REG_TXFIFO) = '\r';
-    }
-
-    ++s;
-  }
-
-  return 0;
-}
-weak_under_alias(puts);
diff --git a/bsp/libwrap/sys/read.c b/bsp/libwrap/sys/read.c
deleted file mode 100644
index 3226cdb..0000000
--- a/bsp/libwrap/sys/read.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <stdint.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/types.h>
-
-#include "platform.h"
-#include "stub.h"
-#include "weak_under_alias.h"
-
-ssize_t __wrap_read(int fd, void* ptr, size_t len)
-{
-  uint8_t * current = (uint8_t *)ptr;
-  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);
-
-  ssize_t result = 0;
-
-  if (isatty(fd)) {
-    for (current = (uint8_t *)ptr;
-        (current < ((uint8_t *)ptr) + len) && (*uart_rx_cnt > 0);
-        current ++) {
-      *current = *uart_rx;
-      result++;
-    }
-    return result;
-  }
-
-  return _stub(EBADF);
-}
-weak_under_alias(read);
diff --git a/bsp/libwrap/sys/sbrk.c b/bsp/libwrap/sys/sbrk.c
deleted file mode 100644
index 12170b4..0000000
--- a/bsp/libwrap/sys/sbrk.c
+++ /dev/null
@@ -1,18 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <stddef.h>
-#include "weak_under_alias.h"
-
-void *__wrap_sbrk(ptrdiff_t incr)
-{
-  extern char _end[];
-  extern char _heap_end[];
-  static char *curbrk = _end;
-
-  if ((curbrk + incr < _end) || (curbrk + incr > _heap_end))
-    return NULL - 1;
-
-  curbrk += incr;
-  return curbrk - incr;
-}
-weak_under_alias(sbrk);
diff --git a/bsp/libwrap/sys/stat.c b/bsp/libwrap/sys/stat.c
deleted file mode 100644
index 1576ca1..0000000
--- a/bsp/libwrap/sys/stat.c
+++ /dev/null
@@ -1,12 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include <sys/stat.h>
-#include "stub.h"
-#include "weak_under_alias.h"
-
-int __wrap_stat(const char* file, struct stat* st)
-{
-  return _stub(EACCES);
-}
-weak_under_alias(stat);
diff --git a/bsp/libwrap/sys/stub.h b/bsp/libwrap/sys/stub.h
deleted file mode 100644
index fb5e5be..0000000
--- a/bsp/libwrap/sys/stub.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/* See LICENSE of license details. */
-#ifndef _SIFIVE_SYS_STUB_H
-#define _SIFIVE_SYS_STUB_H
-
-static inline int _stub(int err)
-{
-  return -1;
-}
-
-#endif /* _SIFIVE_SYS_STUB_H */
diff --git a/bsp/libwrap/sys/times.c b/bsp/libwrap/sys/times.c
deleted file mode 100644
index 55969a7..0000000
--- a/bsp/libwrap/sys/times.c
+++ /dev/null
@@ -1,12 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include <sys/times.h>
-#include "stub.h"
-#include "weak_under_alias.h"
-
-clock_t __wrap_times(struct tms* buf)
-{
-  return _stub(EACCES);
-}
-weak_under_alias(times);
diff --git a/bsp/libwrap/sys/unlink.c b/bsp/libwrap/sys/unlink.c
deleted file mode 100644
index 09f4da7..0000000
--- a/bsp/libwrap/sys/unlink.c
+++ /dev/null
@@ -1,11 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include "stub.h"
-#include "weak_under_alias.h"
-
-int __wrap_unlink(const char* name)
-{
-  return _stub(ENOENT);
-}
-weak_under_alias(unlink);
diff --git a/bsp/libwrap/sys/wait.c b/bsp/libwrap/sys/wait.c
deleted file mode 100644
index ea3225b..0000000
--- a/bsp/libwrap/sys/wait.c
+++ /dev/null
@@ -1,9 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <errno.h>
-#include "stub.h"
-
-int wait(int* status)
-{
-  return _stub(ECHILD);
-}
diff --git a/bsp/libwrap/sys/weak_under_alias.h b/bsp/libwrap/sys/weak_under_alias.h
deleted file mode 100644
index 7629353..0000000
--- a/bsp/libwrap/sys/weak_under_alias.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef _BSP_LIBWRAP_WEAK_UNDER_ALIAS_H
-#define _BSP_LIBWRAP_WEAK_UNDER_ALIAS_H
-
-#define weak_under_alias(name) \
-  extern __typeof (__wrap_##name) __wrap__##name __attribute__ ((weak, alias ("__wrap_"#name)))
-
-#endif
diff --git a/bsp/libwrap/sys/write.c b/bsp/libwrap/sys/write.c
deleted file mode 100644
index b1e9a7e..0000000
--- a/bsp/libwrap/sys/write.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/* See LICENSE of license details. */
-
-#include <stdint.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/types.h>
-
-#include "platform.h"
-#include "stub.h"
-#include "weak_under_alias.h"
-
-ssize_t __wrap_write(int fd, const void* ptr, size_t len)
-{
-  const uint8_t * current = (const char *)ptr;
-
-  if (isatty(fd)) {
-    for (size_t jj = 0; jj < len; jj++) {
-      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) ;
-        UART0_REG(UART_REG_TXFIFO) = '\r';
-      }
-    }
-    return len;
-  }
-
-  return _stub(EBADF);
-}
-weak_under_alias(write);