diff options
| -rw-r--r-- | hw/i386/pc.c | 15 | ||||
| -rw-r--r-- | include/hw/i386/pc.h | 2 |
2 files changed, 17 insertions, 0 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 14f0d91f76..aefb31593b 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -612,6 +612,21 @@ int e820_add_entry(uint64_t address, uint64_t length, uint32_t type) return e820_entries; } +int e820_get_num_entries(void) +{ + return e820_entries; +} + +bool e820_get_entry(int idx, uint32_t type, uint64_t *address, uint64_t *length) +{ + if (idx < e820_entries && e820_table[idx].type == cpu_to_le32(type)) { + *address = le64_to_cpu(e820_table[idx].address); + *length = le64_to_cpu(e820_table[idx].length); + return true; + } + return false; +} + /* Calculates the limit to CPU APIC ID values * * This function returns the limit for the APIC ID value, so that all diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 9010246cb8..9f26e14bef 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -239,6 +239,8 @@ uint16_t pvpanic_port(void); #define E820_UNUSABLE 5 int e820_add_entry(uint64_t, uint64_t, uint32_t); +int e820_get_num_entries(void); +bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *); #define PC_Q35_COMPAT_1_7 \ PC_COMPAT_1_7, \ |