mirror of
https://github.com/izzy2lost/xemu.git
synced 2026-07-06 00:20:22 -07:00
Merge tag 'pull-loongarch-20240429' of https://gitlab.com/gaosong/qemu into staging
Add boot LoongArch elf kernel with FDT v2: Fix 'make check-tcg' fail. # -----BEGIN PGP SIGNATURE----- # # iLMEAAEKAB0WIQS4/x2g0v3LLaCcbCxAov/yOSY+3wUCZi8F3AAKCRBAov/yOSY+ # 35VrBADb6f1mYNUTG5iDvKppvA8RG1TybxfXfgA+Z9vPkJqFkT6wt8J+JFwgh3UT # w0xY2Y2xZkPjxnUpEhZiVJjp5hk+BEzr3vE4M5DzKC1vpCYpbojxxN6FB41Up862 # kS7slW6XsZgKpLLvUkFttPt3G4DUN29CscVgy4Ci0zrqyNjnsw== # =ufbc # -----END PGP SIGNATURE----- # gpg: Signature made Sun 28 Apr 2024 07:28:44 PM PDT # gpg: using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF # gpg: Good signature from "Song Gao <m17746591750@163.com>" [unknown] # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: B8FF 1DA0 D2FD CB2D A09C 6C2C 40A2 FFF2 3926 3EDF * tag 'pull-loongarch-20240429' of https://gitlab.com/gaosong/qemu: hw/loongarch: Add cells missing from rtc node hw/loongarch: Add cells missing from uart node hw/loongarch: fdt remove unused irqchip node hw/loongarch: fdt adds pcie irq_map node hw/loongarch: fdt adds pch_msi Controller hw/loongarch: fdt adds pch_pic Controller hw/loongarch: fdt adds Extend I/O Interrupt Controller hw/loongarch: fdt adds cpu interrupt controller node hw/loongarch: Fix fdt memory node wrong 'reg' hw/loongarch: Init efi_fdt table hw/loongarch: Init efi_initrd table hw/loongarch: Init efi_boot_memmap table hw/loongarch: Init efi_system_table hw/loongarch: Add init_cmdline hw/loongarch: Add slave cpu boot_code hw/loongarch: Add load initrd hw/loongarch: Move boot functions to boot.c Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson
@@ -0,0 +1,336 @@
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* LoongArch boot helper functions.
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*
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* Copyright (c) 2023 Loongson Technology Corporation Limited
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*/
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#include "qemu/osdep.h"
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#include "qemu/units.h"
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#include "target/loongarch/cpu.h"
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#include "hw/loongarch/virt.h"
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#include "hw/loader.h"
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#include "elf.h"
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#include "qemu/error-report.h"
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#include "sysemu/reset.h"
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#include "sysemu/qtest.h"
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ram_addr_t initrd_offset;
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uint64_t initrd_size;
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static const unsigned int slave_boot_code[] = {
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/* Configure reset ebase. */
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0x0400302c, /* csrwr $t0, LOONGARCH_CSR_EENTRY */
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/* Disable interrupt. */
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0x0380100c, /* ori $t0, $zero,0x4 */
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0x04000180, /* csrxchg $zero, $t0, LOONGARCH_CSR_CRMD */
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/* Clear mailbox. */
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0x1400002d, /* lu12i.w $t1, 1(0x1) */
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0x038081ad, /* ori $t1, $t1, CORE_BUF_20 */
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0x06481da0, /* iocsrwr.d $zero, $t1 */
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/* Enable IPI interrupt. */
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0x1400002c, /* lu12i.w $t0, 1(0x1) */
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0x0400118c, /* csrxchg $t0, $t0, LOONGARCH_CSR_ECFG */
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0x02fffc0c, /* addi.d $t0, $r0,-1(0xfff) */
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0x1400002d, /* lu12i.w $t1, 1(0x1) */
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0x038011ad, /* ori $t1, $t1, CORE_EN_OFF */
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0x064819ac, /* iocsrwr.w $t0, $t1 */
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0x1400002d, /* lu12i.w $t1, 1(0x1) */
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0x038081ad, /* ori $t1, $t1, CORE_BUF_20 */
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/* Wait for wakeup <.L11>: */
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0x06488000, /* idle 0x0 */
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0x03400000, /* andi $zero, $zero, 0x0 */
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0x064809ac, /* iocsrrd.w $t0, $t1 */
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0x43fff59f, /* beqz $t0, -12(0x7ffff4) # 48 <.L11> */
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/* Read and clear IPI interrupt. */
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0x1400002d, /* lu12i.w $t1, 1(0x1) */
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0x064809ac, /* iocsrrd.w $t0, $t1 */
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0x1400002d, /* lu12i.w $t1, 1(0x1) */
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0x038031ad, /* ori $t1, $t1, CORE_CLEAR_OFF */
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0x064819ac, /* iocsrwr.w $t0, $t1 */
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/* Disable IPI interrupt. */
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0x1400002c, /* lu12i.w $t0, 1(0x1) */
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0x04001180, /* csrxchg $zero, $t0, LOONGARCH_CSR_ECFG */
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/* Read mail buf and jump to specified entry */
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0x1400002d, /* lu12i.w $t1, 1(0x1) */
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0x038081ad, /* ori $t1, $t1, CORE_BUF_20 */
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0x06480dac, /* iocsrrd.d $t0, $t1 */
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0x00150181, /* move $ra, $t0 */
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0x4c000020, /* jirl $zero, $ra,0 */
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};
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static inline void *guidcpy(void *dst, const void *src)
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{
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return memcpy(dst, src, sizeof(efi_guid_t));
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}
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static void init_efi_boot_memmap(struct efi_system_table *systab,
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void *p, void *start)
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{
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unsigned i;
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struct efi_boot_memmap *boot_memmap = p;
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efi_guid_t tbl_guid = LINUX_EFI_BOOT_MEMMAP_GUID;
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/* efi_configuration_table 1 */
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guidcpy(&systab->tables[0].guid, &tbl_guid);
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systab->tables[0].table = (struct efi_configuration_table *)(p - start);
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systab->nr_tables = 1;
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boot_memmap->desc_size = sizeof(efi_memory_desc_t);
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boot_memmap->desc_ver = 1;
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boot_memmap->map_size = 0;
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efi_memory_desc_t *map = p + sizeof(struct efi_boot_memmap);
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for (i = 0; i < memmap_entries; i++) {
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map = (void *)boot_memmap + sizeof(*map);
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map[i].type = memmap_table[i].type;
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map[i].phys_addr = ROUND_UP(memmap_table[i].address, 64 * KiB);
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map[i].num_pages = ROUND_DOWN(memmap_table[i].address +
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memmap_table[i].length - map[i].phys_addr, 64 * KiB);
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p += sizeof(efi_memory_desc_t);
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}
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}
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static void init_efi_initrd_table(struct efi_system_table *systab,
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void *p, void *start)
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{
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efi_guid_t tbl_guid = LINUX_EFI_INITRD_MEDIA_GUID;
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struct efi_initrd *initrd_table = p;
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/* efi_configuration_table 2 */
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guidcpy(&systab->tables[1].guid, &tbl_guid);
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systab->tables[1].table = (struct efi_configuration_table *)(p - start);
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systab->nr_tables = 2;
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initrd_table->base = initrd_offset;
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initrd_table->size = initrd_size;
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}
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static void init_efi_fdt_table(struct efi_system_table *systab)
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{
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efi_guid_t tbl_guid = DEVICE_TREE_GUID;
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/* efi_configuration_table 3 */
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guidcpy(&systab->tables[2].guid, &tbl_guid);
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systab->tables[2].table = (void *)FDT_BASE;
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systab->nr_tables = 3;
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}
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static void init_systab(struct loongarch_boot_info *info, void *p, void *start)
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{
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void *bp_tables_start;
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struct efi_system_table *systab = p;
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info->a2 = p - start;
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systab->hdr.signature = EFI_SYSTEM_TABLE_SIGNATURE;
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systab->hdr.revision = EFI_SPECIFICATION_VERSION;
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systab->hdr.revision = sizeof(struct efi_system_table),
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systab->fw_revision = FW_VERSION << 16 | FW_PATCHLEVEL << 8;
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systab->runtime = 0;
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systab->boottime = 0;
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systab->nr_tables = 0;
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p += ROUND_UP(sizeof(struct efi_system_table), 64 * KiB);
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systab->tables = p;
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bp_tables_start = p;
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init_efi_boot_memmap(systab, p, start);
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p += ROUND_UP(sizeof(struct efi_boot_memmap) +
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sizeof(efi_memory_desc_t) * memmap_entries, 64 * KiB);
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init_efi_initrd_table(systab, p, start);
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p += ROUND_UP(sizeof(struct efi_initrd), 64 * KiB);
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init_efi_fdt_table(systab);
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systab->tables = (struct efi_configuration_table *)(bp_tables_start - start);
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}
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static void init_cmdline(struct loongarch_boot_info *info, void *p, void *start)
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{
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hwaddr cmdline_addr = p - start;
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info->a0 = 1;
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info->a1 = cmdline_addr;
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memcpy(p, info->kernel_cmdline, COMMAND_LINE_SIZE);
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}
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static uint64_t cpu_loongarch_virt_to_phys(void *opaque, uint64_t addr)
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{
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return addr & MAKE_64BIT_MASK(0, TARGET_PHYS_ADDR_SPACE_BITS);
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}
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static int64_t load_kernel_info(struct loongarch_boot_info *info)
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{
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uint64_t kernel_entry, kernel_low, kernel_high;
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ssize_t kernel_size;
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kernel_size = load_elf(info->kernel_filename, NULL,
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cpu_loongarch_virt_to_phys, NULL,
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&kernel_entry, &kernel_low,
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&kernel_high, NULL, 0,
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EM_LOONGARCH, 1, 0);
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if (kernel_size < 0) {
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error_report("could not load kernel '%s': %s",
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info->kernel_filename,
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load_elf_strerror(kernel_size));
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exit(1);
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}
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if (info->initrd_filename) {
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initrd_size = get_image_size(info->initrd_filename);
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if (initrd_size > 0) {
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initrd_offset = ROUND_UP(kernel_high + 4 * kernel_size, 64 * KiB);
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if (initrd_offset + initrd_size > info->ram_size) {
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error_report("memory too small for initial ram disk '%s'",
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info->initrd_filename);
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exit(1);
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}
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initrd_size = load_image_targphys(info->initrd_filename, initrd_offset,
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info->ram_size - initrd_offset);
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}
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if (initrd_size == (target_ulong)-1) {
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error_report("could not load initial ram disk '%s'",
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info->initrd_filename);
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exit(1);
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}
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} else {
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initrd_size = 0;
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}
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return kernel_entry;
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}
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static void reset_load_elf(void *opaque)
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{
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LoongArchCPU *cpu = opaque;
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CPULoongArchState *env = &cpu->env;
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cpu_reset(CPU(cpu));
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if (env->load_elf) {
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if (cpu == LOONGARCH_CPU(first_cpu)) {
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env->gpr[4] = env->boot_info->a0;
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env->gpr[5] = env->boot_info->a1;
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env->gpr[6] = env->boot_info->a2;
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}
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cpu_set_pc(CPU(cpu), env->elf_address);
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}
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}
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static void fw_cfg_add_kernel_info(struct loongarch_boot_info *info,
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FWCfgState *fw_cfg)
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{
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/*
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* Expose the kernel, the command line, and the initrd in fw_cfg.
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* We don't process them here at all, it's all left to the
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* firmware.
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*/
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load_image_to_fw_cfg(fw_cfg,
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FW_CFG_KERNEL_SIZE, FW_CFG_KERNEL_DATA,
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info->kernel_filename,
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false);
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if (info->initrd_filename) {
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load_image_to_fw_cfg(fw_cfg,
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FW_CFG_INITRD_SIZE, FW_CFG_INITRD_DATA,
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info->initrd_filename, false);
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}
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if (info->kernel_cmdline) {
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fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
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strlen(info->kernel_cmdline) + 1);
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fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA,
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info->kernel_cmdline);
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}
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}
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static void loongarch_firmware_boot(LoongArchMachineState *lams,
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struct loongarch_boot_info *info)
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{
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fw_cfg_add_kernel_info(info, lams->fw_cfg);
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}
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static void init_boot_rom(struct loongarch_boot_info *info, void *p)
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{
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void *start = p;
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init_cmdline(info, p, start);
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p += COMMAND_LINE_SIZE;
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init_systab(info, p, start);
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}
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static void loongarch_direct_kernel_boot(struct loongarch_boot_info *info)
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{
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void *p, *bp;
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int64_t kernel_addr = 0;
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LoongArchCPU *lacpu;
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CPUState *cs;
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if (info->kernel_filename) {
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kernel_addr = load_kernel_info(info);
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} else {
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if(!qtest_enabled()) {
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error_report("Need kernel filename\n");
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exit(1);
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}
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}
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/* Load cmdline and system tables at [0 - 1 MiB] */
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p = g_malloc0(1 * MiB);
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bp = p;
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init_boot_rom(info, p);
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rom_add_blob_fixed_as("boot_info", bp, 1 * MiB, 0, &address_space_memory);
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/* Load slave boot code at pflash0 . */
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void *boot_code = g_malloc0(VIRT_FLASH0_SIZE);
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memcpy(boot_code, &slave_boot_code, sizeof(slave_boot_code));
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rom_add_blob_fixed("boot_code", boot_code, VIRT_FLASH0_SIZE, VIRT_FLASH0_BASE);
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CPU_FOREACH(cs) {
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lacpu = LOONGARCH_CPU(cs);
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lacpu->env.load_elf = true;
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if (cs == first_cpu) {
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lacpu->env.elf_address = kernel_addr;
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} else {
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lacpu->env.elf_address = VIRT_FLASH0_BASE;
|
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}
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lacpu->env.boot_info = info;
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}
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g_free(boot_code);
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g_free(bp);
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}
|
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|
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void loongarch_load_kernel(MachineState *ms, struct loongarch_boot_info *info)
|
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{
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LoongArchMachineState *lams = LOONGARCH_MACHINE(ms);
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int i;
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|
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/* register reset function */
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for (i = 0; i < ms->smp.cpus; i++) {
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qemu_register_reset(reset_load_elf, LOONGARCH_CPU(qemu_get_cpu(i)));
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}
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info->kernel_filename = ms->kernel_filename;
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info->kernel_cmdline = ms->kernel_cmdline;
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info->initrd_filename = ms->initrd_filename;
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if (lams->bios_loaded) {
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loongarch_firmware_boot(lams, info);
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} else {
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loongarch_direct_kernel_boot(info);
|
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}
|
||||
}
|
||||
@@ -1,6 +1,7 @@
|
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loongarch_ss = ss.source_set()
|
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loongarch_ss.add(files(
|
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'fw_cfg.c',
|
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'boot.c',
|
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))
|
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loongarch_ss.add(when: 'CONFIG_LOONGARCH_VIRT', if_true: [files('virt.c'), fdt])
|
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loongarch_ss.add(when: 'CONFIG_ACPI', if_true: files('acpi-build.c'))
|
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|
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+203
-162
File diff suppressed because it is too large
Load Diff
@@ -39,6 +39,7 @@
|
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#define EXTIOI_COREISR_END (0xB20 - APIC_OFFSET)
|
||||
#define EXTIOI_COREMAP_START (0xC00 - APIC_OFFSET)
|
||||
#define EXTIOI_COREMAP_END (0xD00 - APIC_OFFSET)
|
||||
#define EXTIOI_SIZE 0x800
|
||||
|
||||
typedef struct ExtIOICore {
|
||||
uint32_t coreisr[EXTIOI_IRQS_GROUP_COUNT];
|
||||
|
||||
@@ -0,0 +1,109 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
||||
/*
|
||||
* Definitions for LoongArch boot.
|
||||
*
|
||||
* Copyright (C) 2023 Loongson Technology Corporation Limited
|
||||
*/
|
||||
|
||||
#ifndef HW_LOONGARCH_BOOT_H
|
||||
#define HW_LOONGARCH_BOOT_H
|
||||
|
||||
/* UEFI 2.10 */
|
||||
#define EFI_SYSTEM_TABLE_SIGNATURE 0x5453595320494249
|
||||
#define EFI_2_100_SYSTEM_TABLE_REVISION ((2<<16) | (100))
|
||||
#define EFI_SPECIFICATION_VERSION EFI_SYSTEM_TABLE_REVISION
|
||||
#define EFI_SYSTEM_TABLE_REVISION EFI_2_100_SYSTEM_TABLE_REVISION
|
||||
|
||||
#define FW_VERSION 0x1
|
||||
#define FW_PATCHLEVEL 0x0
|
||||
|
||||
typedef struct {
|
||||
uint8_t b[16];
|
||||
} efi_guid_t QEMU_ALIGNED(8);
|
||||
|
||||
#define EFI_GUID(a, b, c, d...) (efi_guid_t){ { \
|
||||
(a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
|
||||
(b) & 0xff, ((b) >> 8) & 0xff, \
|
||||
(c) & 0xff, ((c) >> 8) & 0xff, d } }
|
||||
|
||||
#define LINUX_EFI_BOOT_MEMMAP_GUID \
|
||||
EFI_GUID(0x800f683f, 0xd08b, 0x423a, 0xa2, 0x93, \
|
||||
0x96, 0x5c, 0x3c, 0x6f, 0xe2, 0xb4)
|
||||
|
||||
#define LINUX_EFI_INITRD_MEDIA_GUID \
|
||||
EFI_GUID(0x5568e427, 0x68fc, 0x4f3d, 0xac, 0x74, \
|
||||
0xca, 0x55, 0x52, 0x31, 0xcc, 0x68)
|
||||
|
||||
#define DEVICE_TREE_GUID \
|
||||
EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, 0x83, 0x0b, \
|
||||
0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
|
||||
|
||||
struct efi_config_table {
|
||||
efi_guid_t guid;
|
||||
uint64_t *ptr;
|
||||
const char name[16];
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
uint64_t signature;
|
||||
uint32_t revision;
|
||||
uint32_t headersize;
|
||||
uint32_t crc32;
|
||||
uint32_t reserved;
|
||||
} efi_table_hdr_t;
|
||||
|
||||
struct efi_configuration_table {
|
||||
efi_guid_t guid;
|
||||
void *table;
|
||||
};
|
||||
|
||||
struct efi_system_table {
|
||||
efi_table_hdr_t hdr;
|
||||
uint64_t fw_vendor; /* physical addr of CHAR16 vendor string */
|
||||
uint32_t fw_revision;
|
||||
uint64_t con_in_handle;
|
||||
uint64_t *con_in;
|
||||
uint64_t con_out_handle;
|
||||
uint64_t *con_out;
|
||||
uint64_t stderr_handle;
|
||||
uint64_t stderr_placeholder;
|
||||
uint64_t *runtime;
|
||||
uint64_t *boottime;
|
||||
uint64_t nr_tables;
|
||||
struct efi_configuration_table *tables;
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
uint32_t type;
|
||||
uint32_t pad;
|
||||
uint64_t phys_addr;
|
||||
uint64_t virt_addr;
|
||||
uint64_t num_pages;
|
||||
uint64_t attribute;
|
||||
} efi_memory_desc_t;
|
||||
|
||||
struct efi_boot_memmap {
|
||||
uint64_t map_size;
|
||||
uint64_t desc_size;
|
||||
uint32_t desc_ver;
|
||||
uint64_t map_key;
|
||||
uint64_t buff_size;
|
||||
efi_memory_desc_t map[32];
|
||||
};
|
||||
|
||||
struct efi_initrd {
|
||||
uint64_t base;
|
||||
uint64_t size;
|
||||
};
|
||||
|
||||
struct loongarch_boot_info {
|
||||
uint64_t ram_size;
|
||||
const char *kernel_filename;
|
||||
const char *kernel_cmdline;
|
||||
const char *initrd_filename;
|
||||
uint64_t a0, a1, a2;
|
||||
};
|
||||
|
||||
void loongarch_load_kernel(MachineState *ms, struct loongarch_boot_info *info);
|
||||
|
||||
#endif /* HW_LOONGARCH_BOOT_H */
|
||||
@@ -13,6 +13,7 @@
|
||||
#include "qemu/queue.h"
|
||||
#include "hw/intc/loongarch_ipi.h"
|
||||
#include "hw/block/flash.h"
|
||||
#include "hw/loongarch/boot.h"
|
||||
|
||||
#define LOONGARCH_MAX_CPUS 256
|
||||
|
||||
@@ -32,6 +33,20 @@
|
||||
#define VIRT_GED_MEM_ADDR (VIRT_GED_EVT_ADDR + ACPI_GED_EVT_SEL_LEN)
|
||||
#define VIRT_GED_REG_ADDR (VIRT_GED_MEM_ADDR + MEMORY_HOTPLUG_IO_LEN)
|
||||
|
||||
#define COMMAND_LINE_SIZE 512
|
||||
|
||||
#define FDT_BASE 0x100000
|
||||
|
||||
extern struct memmap_entry *memmap_table;
|
||||
extern unsigned memmap_entries;
|
||||
|
||||
struct memmap_entry {
|
||||
uint64_t address;
|
||||
uint64_t length;
|
||||
uint32_t type;
|
||||
uint32_t reserved;
|
||||
};
|
||||
|
||||
struct LoongArchMachineState {
|
||||
/*< private >*/
|
||||
MachineState parent_obj;
|
||||
@@ -55,6 +70,7 @@ struct LoongArchMachineState {
|
||||
MemoryRegion system_iocsr;
|
||||
MemoryRegion iocsr_mem;
|
||||
AddressSpace as_iocsr;
|
||||
struct loongarch_boot_info bootinfo;
|
||||
};
|
||||
|
||||
#define TYPE_LOONGARCH_MACHINE MACHINE_TYPE_NAME("virt")
|
||||
|
||||
@@ -24,6 +24,8 @@
|
||||
#define VIRT_PCH_REG_BASE 0x10000000UL
|
||||
#define VIRT_IOAPIC_REG_BASE (VIRT_PCH_REG_BASE)
|
||||
#define VIRT_PCH_MSI_ADDR_LOW 0x2FF00000UL
|
||||
#define VIRT_PCH_REG_SIZE 0x400
|
||||
#define VIRT_PCH_MSI_SIZE 0x8
|
||||
|
||||
/*
|
||||
* GSI_BASE is hard-coded with 64 in linux kernel, else kernel fails to boot
|
||||
|
||||
@@ -359,6 +359,8 @@ typedef struct CPUArchState {
|
||||
uint32_t mp_state;
|
||||
/* Store ipistate to access from this struct */
|
||||
DeviceState *ipistate;
|
||||
|
||||
struct loongarch_boot_info *boot_info;
|
||||
#endif
|
||||
} CPULoongArchState;
|
||||
|
||||
|
||||
Reference in New Issue
Block a user