@@ -16,20 +16,12 @@
#define E820_NVS 4
#define E820_UNUSABLE 5
-#define E820_NR_ENTRIES 16
-
struct e820_entry {
uint64_t address;
uint64_t length;
uint32_t type;
} QEMU_PACKED __attribute((__aligned__(4)));
-struct e820_table {
- uint32_t count;
- struct e820_entry entry[E820_NR_ENTRIES];
-} QEMU_PACKED __attribute((__aligned__(4)));
-
-extern struct e820_table e820_reserve;
extern struct e820_entry *e820_table;
int e820_add_entry(uint64_t address, uint64_t length, uint32_t type);
@@ -17,7 +17,6 @@
#define FW_CFG_ACPI_TABLES (FW_CFG_ARCH_LOCAL + 0)
#define FW_CFG_SMBIOS_ENTRIES (FW_CFG_ARCH_LOCAL + 1)
#define FW_CFG_IRQ0_OVERRIDE (FW_CFG_ARCH_LOCAL + 2)
-#define FW_CFG_E820_TABLE (FW_CFG_ARCH_LOCAL + 3)
#define FW_CFG_HPET (FW_CFG_ARCH_LOCAL + 4)
FWCfgState *fw_cfg_arch_create(MachineState *ms,
@@ -11,29 +11,11 @@
#include "e820_memory_layout.h"
static size_t e820_entries;
-struct e820_table e820_reserve;
struct e820_entry *e820_table;
int e820_add_entry(uint64_t address, uint64_t length, uint32_t type)
{
- int index = le32_to_cpu(e820_reserve.count);
- struct e820_entry *entry;
-
- if (type != E820_RAM) {
- /* old FW_CFG_E820_TABLE entry -- reservations only */
- if (index >= E820_NR_ENTRIES) {
- return -EBUSY;
- }
- entry = &e820_reserve.entry[index++];
-
- entry->address = cpu_to_le64(address);
- entry->length = cpu_to_le64(length);
- entry->type = cpu_to_le32(type);
-
- e820_reserve.count = cpu_to_le32(index);
- }
-
- /* new "etc/e820" file -- include ram too */
+ /* new "etc/e820" file -- include ram and reserved entries */
e820_table = g_renew(struct e820_entry, e820_table, e820_entries + 1);
e820_table[e820_entries].address = cpu_to_le64(address);
e820_table[e820_entries].length = cpu_to_le64(length);
@@ -36,7 +36,6 @@ const char *fw_cfg_arch_key_name(uint16_t key)
{FW_CFG_ACPI_TABLES, "acpi_tables"},
{FW_CFG_SMBIOS_ENTRIES, "smbios_entries"},
{FW_CFG_IRQ0_OVERRIDE, "irq0_override"},
- {FW_CFG_E820_TABLE, "e820_table"},
{FW_CFG_HPET, "hpet"},
};
@@ -127,8 +126,6 @@ FWCfgState *fw_cfg_arch_create(MachineState *ms,
#endif
fw_cfg_add_i32(fw_cfg, FW_CFG_IRQ0_OVERRIDE, 1);
- fw_cfg_add_bytes(fw_cfg, FW_CFG_E820_TABLE,
- &e820_reserve, sizeof(e820_reserve));
fw_cfg_add_file(fw_cfg, "etc/e820", e820_table,
sizeof(struct e820_entry) * e820_get_num_entries());
@@ -324,8 +324,6 @@ static void microvm_memory_init(MicrovmMachineState *mms)
fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, machine->smp.max_cpus);
fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
fw_cfg_add_i32(fw_cfg, FW_CFG_IRQ0_OVERRIDE, 1);
- fw_cfg_add_bytes(fw_cfg, FW_CFG_E820_TABLE,
- &e820_reserve, sizeof(e820_reserve));
fw_cfg_add_file(fw_cfg, "etc/e820", e820_table,
sizeof(struct e820_entry) * e820_get_num_entries());