+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2011 The Chromium OS Authors.
- * SPDX-License-Identifier: GPL-2.0+
*/
#define DEBUG
#include <common.h>
-#include <dm/root.h>
+#include <dm.h>
+#include <errno.h>
+#include <linux/libfdt.h>
#include <os.h>
+#include <asm/io.h>
+#include <asm/setjmp.h>
#include <asm/state.h>
+#include <dm/root.h>
DECLARE_GLOBAL_DATA_PTR;
unsigned long map_len;
#endif
-void reset_cpu(ulong ignored)
+void sandbox_exit(void)
{
+ /* Do this here while it still has an effect */
+ os_fd_restore();
if (state_uninit())
os_exit(2);
os_exit(0);
}
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+/* delay x useconds */
+void __udelay(unsigned long usec)
{
- reset_cpu(0);
+ struct sandbox_state *state = state_get_current();
+
+ if (!state->skip_delays)
+ os_usleep(usec);
+}
+int cleanup_before_linux(void)
+{
return 0;
}
-/* delay x useconds */
-void __udelay(unsigned long usec)
+int cleanup_before_linux_select(int flags)
{
- os_usleep(usec);
+ return 0;
}
-unsigned long __attribute__((no_instrument_function)) timer_get_us(void)
+void *phys_to_virt(phys_addr_t paddr)
{
- return os_get_nsec() / 1000;
+ return (void *)(gd->arch.ram_buf + paddr);
}
-int cleanup_before_linux(void)
+phys_addr_t virt_to_phys(void *vaddr)
{
- return 0;
+ return (phys_addr_t)((uint8_t *)vaddr - gd->arch.ram_buf);
}
void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
{
-#ifdef CONFIG_PCI
+#if defined(CONFIG_PCI) && !defined(CONFIG_SPL_BUILD)
unsigned long plen = len;
void *ptr;
if (enable_pci_map && !pci_map_physmem(paddr, &len, &map_dev, &ptr)) {
if (plen != len) {
printf("%s: Warning: partial map at %x, wanted %lx, got %lx\n",
- __func__, paddr, len, plen);
+ __func__, (uint)paddr, len, plen);
}
map_len = len;
return ptr;
}
#endif
- return (void *)(gd->arch.ram_buf + paddr);
+ return phys_to_virt(paddr);
}
void unmap_physmem(const void *vaddr, unsigned long flags)
void flush_dcache_range(unsigned long start, unsigned long stop)
{
}
+
+void invalidate_dcache_range(unsigned long start, unsigned long stop)
+{
+}
+
+int sandbox_read_fdt_from_file(void)
+{
+ struct sandbox_state *state = state_get_current();
+ const char *fname = state->fdt_fname;
+ void *blob;
+ loff_t size;
+ int err;
+ int fd;
+
+ blob = map_sysmem(CONFIG_SYS_FDT_LOAD_ADDR, 0);
+ if (!state->fdt_fname) {
+ err = fdt_create_empty_tree(blob, 256);
+ if (!err)
+ goto done;
+ printf("Unable to create empty FDT: %s\n", fdt_strerror(err));
+ return -EINVAL;
+ }
+
+ err = os_get_filesize(fname, &size);
+ if (err < 0) {
+ printf("Failed to file FDT file '%s'\n", fname);
+ return err;
+ }
+ fd = os_open(fname, OS_O_RDONLY);
+ if (fd < 0) {
+ printf("Failed to open FDT file '%s'\n", fname);
+ return -EACCES;
+ }
+ if (os_read(fd, blob, size) != size) {
+ os_close(fd);
+ return -EIO;
+ }
+ os_close(fd);
+
+done:
+ gd->fdt_blob = blob;
+
+ return 0;
+}
+
+ulong timer_get_boot_us(void)
+{
+ static uint64_t base_count;
+ uint64_t count = os_get_nsec();
+
+ if (!base_count)
+ base_count = count;
+
+ return (count - base_count) / 1000;
+}
+
+int setjmp(jmp_buf jmp)
+{
+ return os_setjmp((ulong *)jmp, sizeof(*jmp));
+}
+
+void longjmp(jmp_buf jmp, int ret)
+{
+ os_longjmp((ulong *)jmp, ret);
+ while (1)
+ ;
+}