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Fix PXE BIOS boot when using a proxy DHCP server

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This commit is contained in:
Bryce Lanham 2023-04-22 01:22:36 -05:00
parent 73b126e067
commit 64a0c6073b
2 changed files with 2 additions and 1 deletions
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1
common/pxe/pxe.h
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@ -88,6 +88,7 @@ struct bangpxe {
} __attribute__((packed)); } __attribute__((packed));
#define PXENV_GET_CACHED_INFO 0x0071 #define PXENV_GET_CACHED_INFO 0x0071
#define PXENV_PACKET_TYPE_CACHED_REPLY 3
struct pxenv_get_cached_info { struct pxenv_get_cached_info {
uint16_t status; uint16_t status;
uint16_t packet_type; uint16_t packet_type;

2
common/pxe/tftp.s2.c
View File

@ -14,7 +14,7 @@
static uint32_t get_boot_server_info(void) { static uint32_t get_boot_server_info(void) {
struct pxenv_get_cached_info cachedinfo = { 0 }; struct pxenv_get_cached_info cachedinfo = { 0 };
cachedinfo.packet_type = 2; cachedinfo.packet_type = PXENV_PACKET_TYPE_CACHED_REPLY;
pxe_call(PXENV_GET_CACHED_INFO, ((uint16_t)rm_seg(&cachedinfo)), (uint16_t)rm_off(&cachedinfo)); pxe_call(PXENV_GET_CACHED_INFO, ((uint16_t)rm_seg(&cachedinfo)), (uint16_t)rm_off(&cachedinfo));
struct bootph *ph = (struct bootph*)(void *) (((((uint32_t)cachedinfo.buffer) >> 16) << 4) + (((uint32_t)cachedinfo.buffer) & 0xFFFF)); struct bootph *ph = (struct bootph*)(void *) (((((uint32_t)cachedinfo.buffer) >> 16) << 4) + (((uint32_t)cachedinfo.buffer) & 0xFFFF));
return ph->sip; return ph->sip;