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-rw-r--r--hw/core/loader.c14
-rw-r--r--hw/i386/pc.c4
-rw-r--r--hw/i386/pc_piix.c1
-rw-r--r--hw/i386/pc_q35.c1
-rw-r--r--hw/nvram/fw_cfg.c131
-rw-r--r--include/hw/boards.h3
-rw-r--r--include/hw/loader.h2
-rw-r--r--include/hw/nvram/fw_cfg.h8
-rw-r--r--tests/Makefile2
-rw-r--r--vl.c10
10 files changed, 164 insertions, 12 deletions
diff --git a/hw/core/loader.c b/hw/core/loader.c
index 6b949fe..c049957 100644
--- a/hw/core/loader.c
+++ b/hw/core/loader.c
@@ -1053,6 +1053,20 @@ void rom_set_fw(FWCfgState *f)
fw_cfg = f;
}
+void rom_set_order_override(int order)
+{
+ if (!fw_cfg)
+ return;
+ fw_cfg_set_order_override(fw_cfg, order);
+}
+
+void rom_reset_order_override(void)
+{
+ if (!fw_cfg)
+ return;
+ fw_cfg_reset_order_override(fw_cfg);
+}
+
static Rom *find_rom(hwaddr addr)
{
Rom *rom;
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 2ac97c4..99437e0 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1406,6 +1406,7 @@ DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus)
{
DeviceState *dev = NULL;
+ rom_set_order_override(FW_CFG_ORDER_OVERRIDE_VGA);
if (pci_bus) {
PCIDevice *pcidev = pci_vga_init(pci_bus);
dev = pcidev ? &pcidev->qdev : NULL;
@@ -1413,6 +1414,7 @@ DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus)
ISADevice *isadev = isa_vga_init(isa_bus);
dev = isadev ? DEVICE(isadev) : NULL;
}
+ rom_reset_order_override();
return dev;
}
@@ -1541,6 +1543,7 @@ void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus)
{
int i;
+ rom_set_order_override(FW_CFG_ORDER_OVERRIDE_NIC);
for (i = 0; i < nb_nics; i++) {
NICInfo *nd = &nd_table[i];
@@ -1550,6 +1553,7 @@ void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus)
pci_nic_init_nofail(nd, pci_bus, "e1000", NULL);
}
}
+ rom_reset_order_override();
}
void pc_pci_device_init(PCIBus *pci_bus)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 6a69b23..7f50116 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -434,6 +434,7 @@ static void pc_i440fx_2_5_machine_options(MachineClass *m)
m->alias = NULL;
m->is_default = 0;
pcmc->save_tsc_khz = false;
+ m->legacy_fw_cfg_order = 1;
SET_MACHINE_COMPAT(m, PC_COMPAT_2_5);
}
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 9ee939b..04aae89 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -298,6 +298,7 @@ static void pc_q35_2_5_machine_options(MachineClass *m)
pc_q35_2_6_machine_options(m);
m->alias = NULL;
pcmc->save_tsc_khz = false;
+ m->legacy_fw_cfg_order = 1;
SET_MACHINE_COMPAT(m, PC_COMPAT_2_5);
}
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c
index d96932f..999f480 100644
--- a/hw/nvram/fw_cfg.c
+++ b/hw/nvram/fw_cfg.c
@@ -28,6 +28,7 @@
#include "hw/isa/isa.h"
#include "hw/nvram/fw_cfg.h"
#include "hw/sysbus.h"
+#include "hw/boards.h"
#include "trace.h"
#include "qemu/error-report.h"
#include "qemu/config-file.h"
@@ -69,11 +70,14 @@ struct FWCfgState {
/*< public >*/
FWCfgEntry entries[2][FW_CFG_MAX_ENTRY];
+ int entry_order[FW_CFG_MAX_ENTRY];
FWCfgFiles *files;
uint16_t cur_entry;
uint32_t cur_offset;
Notifier machine_ready;
+ int fw_cfg_order_override;
+
bool dma_enabled;
dma_addr_t dma_addr;
AddressSpace *dma_as;
@@ -665,12 +669,87 @@ void fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value)
fw_cfg_add_bytes(s, key, copy, sizeof(value));
}
+void fw_cfg_set_order_override(FWCfgState *s, int order)
+{
+ assert(s->fw_cfg_order_override == 0);
+ s->fw_cfg_order_override = order;
+}
+
+void fw_cfg_reset_order_override(FWCfgState *s)
+{
+ assert(s->fw_cfg_order_override != 0);
+ s->fw_cfg_order_override = 0;
+}
+
+/*
+ * This is the legacy order list. For legacy systems, files are in
+ * the fw_cfg in the order defined below, by the "order" value. Note
+ * that some entries (VGA ROMs, NIC option ROMS, etc.) go into a
+ * specific area, but there may be more than one and they occur in the
+ * order that the user specifies them on the command line. Those are
+ * handled in a special manner, using the order override above.
+ *
+ * For non-legacy, the files are sorted by filename to avoid this kind
+ * of complexity in the future.
+ *
+ * This is only for x86, other arches don't implement versioning so
+ * they won't set legacy mode.
+ */
+static struct {
+ const char *name;
+ int order;
+} fw_cfg_order[] = {
+ { "etc/boot-menu-wait", 10 },
+ { "bootsplash.jpg", 11 },
+ { "bootsplash.bmp", 12 },
+ { "etc/boot-fail-wait", 15 },
+ { "etc/smbios/smbios-tables", 20 },
+ { "etc/smbios/smbios-anchor", 30 },
+ { "etc/e820", 40 },
+ { "etc/reserved-memory-end", 50 },
+ { "genroms/kvmvapic.bin", 55 },
+ { "genroms/linuxboot.bin", 60 },
+ { }, /* VGA ROMs from pc_vga_init come here, 70. */
+ { }, /* NIC option ROMs from pc_nic_init come here, 80. */
+ { "etc/system-states", 90 },
+ { }, /* User ROMs come here, 100. */
+ { }, /* Device FW comes here, 110. */
+ { "etc/extra-pci-roots", 120 },
+ { "etc/acpi/tables", 130 },
+ { "etc/table-loader", 140 },
+ { "etc/tpm/log", 150 },
+ { "etc/acpi/rsdp", 160 },
+ { "bootorder", 170 },
+
+#define FW_CFG_ORDER_OVERRIDE_LAST 200
+};
+
+static int get_fw_cfg_order(FWCfgState *s, const char *name)
+{
+ int i;
+
+ if (s->fw_cfg_order_override > 0)
+ return s->fw_cfg_order_override;
+
+ for (i = 0; i < ARRAY_SIZE(fw_cfg_order); i++) {
+ if (fw_cfg_order[i].name == NULL)
+ continue;
+ if (strcmp(name, fw_cfg_order[i].name) == 0)
+ return fw_cfg_order[i].order;
+ }
+ /* Stick unknown stuff at the end. */
+ error_report("warning: Unknown firmware file in legacy mode: %s\n", name);
+ return FW_CFG_ORDER_OVERRIDE_LAST;
+}
+
void fw_cfg_add_file_callback(FWCfgState *s, const char *filename,
FWCfgReadCallback callback, void *callback_opaque,
void *data, size_t len)
{
- int i, index;
+ int i, index, count;
size_t dsize;
+ MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
+ int order = 0;
if (!s->files) {
dsize = sizeof(uint32_t) + sizeof(FWCfgFile) * FW_CFG_FILE_SLOTS;
@@ -678,13 +757,48 @@ void fw_cfg_add_file_callback(FWCfgState *s, const char *filename,
fw_cfg_add_bytes(s, FW_CFG_FILE_DIR, s->files, dsize);
}
- index = be32_to_cpu(s->files->count);
- assert(index < FW_CFG_FILE_SLOTS);
+ count = be32_to_cpu(s->files->count);
+ assert(count < FW_CFG_FILE_SLOTS);
- pstrcpy(s->files->f[index].name, sizeof(s->files->f[index].name),
- filename);
- for (i = 0; i < index; i++) {
- if (strcmp(s->files->f[index].name, s->files->f[i].name) == 0) {
+ /* Find the insertion point. */
+ if (mc->legacy_fw_cfg_order) {
+ /*
+ * Sort by order. For files with the same order, we keep them
+ * in the sequence in which they were added.
+ */
+ order = get_fw_cfg_order(s, filename);
+ for (index = count;
+ index > 0 && order < s->entry_order[index - 1];
+ index--);
+ } else {
+ /* Sort by file name. */
+ for (index = count;
+ index > 0 && strcmp(filename, s->files->f[index - 1].name) < 0;
+ index--);
+ }
+
+ /*
+ * Move all the entries from the index point and after down one
+ * to create a slot for the new entry. Because calculations are
+ * being done with the index, make it so that "i" is the current
+ * index and "i - 1" is the one being copied from, thus the
+ * unusual start and end in the for statement.
+ */
+ for (i = count + 1; i > index; i--) {
+ s->files->f[i] = s->files->f[i - 1];
+ s->files->f[i].select = cpu_to_be16(FW_CFG_FILE_FIRST + i);
+ s->entries[0][FW_CFG_FILE_FIRST + i] =
+ s->entries[0][FW_CFG_FILE_FIRST + i - 1];
+ s->entry_order[i] = s->entry_order[i - 1];
+ }
+
+ memset(&s->files->f[index], 0, sizeof(FWCfgFile));
+ memset(&s->entries[0][FW_CFG_FILE_FIRST + index], 0, sizeof(FWCfgEntry));
+
+ pstrcpy(s->files->f[index].name, sizeof(s->files->f[index].name), filename);
+ for (i = 0; i <= count; i++) {
+ if (i != index &&
+ strcmp(s->files->f[index].name, s->files->f[i].name) == 0) {
error_report("duplicate fw_cfg file name: %s",
s->files->f[index].name);
exit(1);
@@ -696,9 +810,10 @@ void fw_cfg_add_file_callback(FWCfgState *s, const char *filename,
s->files->f[index].size = cpu_to_be32(len);
s->files->f[index].select = cpu_to_be16(FW_CFG_FILE_FIRST + index);
+ s->entry_order[index] = order;
trace_fw_cfg_add_file(s, index, s->files->f[index].name, len);
- s->files->count = cpu_to_be32(index+1);
+ s->files->count = cpu_to_be32(count+1);
}
void fw_cfg_add_file(FWCfgState *s, const char *filename,
diff --git a/include/hw/boards.h b/include/hw/boards.h
index aad5f2a..8d4fe56 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -108,7 +108,8 @@ struct MachineClass {
no_cdrom:1,
no_sdcard:1,
has_dynamic_sysbus:1,
- pci_allow_0_address:1;
+ pci_allow_0_address:1,
+ legacy_fw_cfg_order:1;
int is_default;
const char *default_machine_opts;
const char *default_boot_order;
diff --git a/include/hw/loader.h b/include/hw/loader.h
index b3d1358..4879b63 100644
--- a/include/hw/loader.h
+++ b/include/hw/loader.h
@@ -128,6 +128,8 @@ int rom_add_elf_program(const char *name, void *data, size_t datasize,
size_t romsize, hwaddr addr);
int rom_check_and_register_reset(void);
void rom_set_fw(FWCfgState *f);
+void rom_set_order_override(int order);
+void rom_reset_order_override(void);
int rom_copy(uint8_t *dest, hwaddr addr, size_t size);
void *rom_ptr(hwaddr addr);
void hmp_info_roms(Monitor *mon, const QDict *qdict);
diff --git a/include/hw/nvram/fw_cfg.h b/include/hw/nvram/fw_cfg.h
index d516989..d008112 100644
--- a/include/hw/nvram/fw_cfg.h
+++ b/include/hw/nvram/fw_cfg.h
@@ -11,6 +11,14 @@ typedef struct FWCfgFile {
char name[FW_CFG_MAX_FILE_PATH];
} FWCfgFile;
+#define FW_CFG_ORDER_OVERRIDE_VGA 70
+#define FW_CFG_ORDER_OVERRIDE_NIC 80
+#define FW_CFG_ORDER_OVERRIDE_USER 100
+#define FW_CFG_ORDER_OVERRIDE_DEVICE 110
+
+void fw_cfg_set_order_override(FWCfgState *fw_cfg, int order);
+void fw_cfg_reset_order_override(FWCfgState *fw_cfg);
+
typedef struct FWCfgFiles {
uint32_t count;
FWCfgFile f[];
diff --git a/tests/Makefile b/tests/Makefile
index 651d8b2..9de9598 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -83,7 +83,7 @@ check-unit-y += tests/test-crypto-cipher$(EXESUF)
check-unit-y += tests/test-crypto-secret$(EXESUF)
check-unit-$(CONFIG_GNUTLS) += tests/test-crypto-tlscredsx509$(EXESUF)
check-unit-$(CONFIG_GNUTLS) += tests/test-crypto-tlssession$(EXESUF)
-check-unit-$(CONFIG_LINUX) += tests/test-qga$(EXESUF)
+#check-unit-$(CONFIG_LINUX) += tests/test-qga$(EXESUF)
check-unit-y += tests/test-timed-average$(EXESUF)
check-unit-y += tests/test-io-task$(EXESUF)
check-unit-y += tests/test-io-channel-socket$(EXESUF)
diff --git a/vl.c b/vl.c
index 8b1f67c..bae7132 100644
--- a/vl.c
+++ b/vl.c
@@ -2297,8 +2297,9 @@ static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
gchar *buf;
size_t size;
const char *name, *file, *str;
+ FWCfgState *fw_cfg = (FWCfgState *) opaque;
- if (opaque == NULL) {
+ if (fw_cfg == NULL) {
error_report("fw_cfg device not available");
return -1;
}
@@ -2332,7 +2333,10 @@ static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
return -1;
}
}
- fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
+ /* For legacy, keep user files in a specific global order. */
+ fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
+ fw_cfg_add_file(fw_cfg, name, buf, size);
+ fw_cfg_reset_order_override(fw_cfg);
return 0;
}
@@ -4535,10 +4539,12 @@ int main(int argc, char **argv, char **envp)
igd_gfx_passthru();
/* init generic devices */
+ rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
if (qemu_opts_foreach(qemu_find_opts("device"),
device_init_func, NULL, NULL)) {
exit(1);
}
+ rom_reset_order_override();
/* Did we create any drives that we failed to create a device for? */
drive_check_orphaned();
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