grub_mm_add_region_fn = grub_efi_mm_add_regions;
}
-#if defined (__aarch64__) || defined (__arm__) || defined (__riscv)
+#if defined (__aarch64__) || defined (__arm__) || defined (__riscv) || \
+ defined (__loongarch__)
grub_err_t
grub_efi_get_ram_base(grub_addr_t *base_addr)
{
--- /dev/null
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2023 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/cache.h>
+#include <grub/misc.h>
+
+/* Prototypes for asm functions. */
+void grub_arch_clean_dcache_range (void);
+void grub_arch_invalidate_icache_range (void);
+
+void
+grub_arch_sync_caches (void *address __attribute__((unused)),
+ grub_size_t len __attribute__((unused)))
+{
+ grub_arch_clean_dcache_range ();
+ grub_arch_invalidate_icache_range ();
+}
+
+void
+grub_arch_sync_dma_caches (volatile void *address __attribute__((unused)),
+ grub_size_t len __attribute__((unused)))
+{
+ /* DMA non-coherent devices not supported yet */
+}
--- /dev/null
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2023 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/symbol.h>
+
+ .file "cache_flush.S"
+ .text
+/*
+ * No further work to do because cache consistency is maintained by hardware on
+ * LoongArch.
+ */
+FUNCTION(grub_arch_clean_dcache_range)
+ dbar 0
+ jr $ra
+
+FUNCTION(grub_arch_invalidate_icache_range)
+ ibar 0
+ jr $ra
--- /dev/null
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2023 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/env.h>
+#include <grub/kernel.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/time.h>
+#include <grub/efi/efi.h>
+#include <grub/loader.h>
+
+#define EFI_TIMER_PERIOD_MILLISECONDS(ms) ((grub_uint64_t)(ms * 10000))
+
+static grub_uint64_t tmr;
+static grub_efi_event_t tmr_evt;
+
+static grub_uint64_t
+grub_efi_get_time_ms (void)
+{
+ return tmr;
+}
+
+static void
+grub_loongson_increment_timer (grub_efi_event_t event __attribute__ ((unused)),
+ void *context __attribute__ ((unused)))
+{
+ tmr += 10;
+}
+
+void
+grub_machine_init (void)
+{
+ grub_efi_boot_services_t *b;
+
+ grub_efi_init ();
+
+ b = grub_efi_system_table->boot_services;
+ efi_call_5 (b->create_event, GRUB_EFI_EVT_TIMER | GRUB_EFI_EVT_NOTIFY_SIGNAL,
+ GRUB_EFI_TPL_CALLBACK, grub_loongson_increment_timer, NULL, &tmr_evt);
+ efi_call_3 (b->set_timer, tmr_evt, GRUB_EFI_TIMER_PERIODIC, EFI_TIMER_PERIOD_MILLISECONDS(10));
+
+ grub_install_get_time_ms (grub_efi_get_time_ms);
+}
+
+void
+grub_machine_fini (int flags)
+{
+ grub_efi_boot_services_t *b;
+
+ if (!(flags & GRUB_LOADER_FLAG_NORETURN))
+ return;
+
+ b = grub_efi_system_table->boot_services;
+
+ efi_call_3 (b->set_timer, tmr_evt, GRUB_EFI_TIMER_CANCEL, 0);
+ efi_call_1 (b->close_event, tmr_evt);
+
+ grub_efi_fini ();
+
+ if (!(flags & GRUB_LOADER_FLAG_EFI_KEEP_ALLOCATED_MEMORY))
+ grub_efi_memory_fini ();
+}
grub_machine_fini (GRUB_LOADER_FLAG_NORETURN |
GRUB_LOADER_FLAG_EFI_KEEP_ALLOCATED_MEMORY);
#if !defined(__ia64__) && !defined(__arm__) && !defined(__aarch64__) && \
- !defined(__riscv)
+ !defined(__loongarch__) && !defined(__riscv)
grub_acpi_halt ();
#endif
efi_call_4 (grub_efi_system_table->runtime_services->reset_system,
char **device,
char **path);
-#if defined(__arm__) || defined(__aarch64__) || defined(__riscv)
+#if defined(__arm__) || defined(__aarch64__) || defined(__riscv) || defined(__loongarch__)
void *EXPORT_FUNC(grub_efi_get_firmware_fdt)(void);
grub_err_t EXPORT_FUNC(grub_efi_get_ram_base)(grub_addr_t *);
#include <grub/file.h>
--- /dev/null
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2023 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_MEMORY_CPU_HEADER
+#include <grub/efi/memory.h>
+
+#define GRUB_EFI_MAX_USABLE_ADDRESS 0xfffffffffffULL
+
+#endif /* ! GRUB_MEMORY_CPU_HEADER */
--- /dev/null
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2023 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef KERNEL_CPU_TIME_HEADER
+#define KERNEL_CPU_TIME_HEADER 1
+
+static inline void
+grub_cpu_idle(void)
+{
+ asm volatile ("idle 0");
+}
+
+#endif
--- /dev/null
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2023 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_TYPES_CPU_HEADER
+#define GRUB_TYPES_CPU_HEADER 1
+
+/* The size of void *. */
+#define GRUB_TARGET_SIZEOF_VOID_P 8
+
+/* The size of long. */
+#define GRUB_TARGET_SIZEOF_LONG 8
+
+/* LoongArch is little-endian. */
+#undef GRUB_TARGET_WORDS_BIGENDIAN
+
+/* Unaligned accesses are only supported if MMU is enabled. */
+#undef GRUB_HAVE_UNALIGNED_ACCESS
+
+#endif /* ! GRUB_TYPES_CPU_HEADER */
projects / thirdparty / grub.git / commitdiff
