/*
* Copyright 2014 Red Hat Inc .
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the " Software " ) ,
* to deal in the Software without restriction , including without limitation
* the rights to use , copy , modify , merge , publish , distribute , sublicense ,
* and / or sell copies of the Software , and to permit persons to whom the
* Software is furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE COPYRIGHT HOLDER ( S ) OR AUTHOR ( S ) BE LIABLE FOR ANY CLAIM , DAMAGES OR
* OTHER LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE ,
* ARISING FROM , OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE .
*
* Authors : Ben Skeggs < bskeggs @ redhat . com >
*/
#include <subdev/bios.h>
#include <subdev/bios/bit.h>
#include <subdev/bios/image.h>
#include <subdev/bios/pmu.h>
u32
nvbios_pmuTe(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
{
struct bit_entry bit_p;
u32 data = 0 ;
if (!bit_entry(bios, 'p' , &bit_p)) {
if (bit_p.version == 2 && bit_p.length >= 4 )
data = nvbios_rd32(bios, bit_p.offset + 0 x00);
if (data) {
*ver = nvbios_rd08(bios, data + 0 x00); /* maybe? */
*hdr = nvbios_rd08(bios, data + 0 x01);
*len = nvbios_rd08(bios, data + 0 x02);
*cnt = nvbios_rd08(bios, data + 0 x03);
}
}
return data;
}
u32
nvbios_pmuEe(struct nvkm_bios *bios, int idx, u8 *ver, u8 *hdr)
{
u8 cnt, len;
u32 data = nvbios_pmuTe(bios, ver, hdr, &cnt, &len);
if (data && idx < cnt) {
data = data + *hdr + (idx * len);
*hdr = len;
return data;
}
return 0 ;
}
u32
nvbios_pmuEp(struct nvkm_bios *bios, int idx, u8 *ver, u8 *hdr,
struct nvbios_pmuE *info)
{
u32 data = nvbios_pmuEe(bios, idx, ver, hdr);
if (data) {
info->type = nvbios_rd08(bios, data + 0 x00);
info->data = nvbios_rd32(bios, data + 0 x02);
}
return data;
}
bool
nvbios_pmuRm(struct nvkm_bios *bios, u8 type, struct nvbios_pmuR *info)
{
struct nvbios_pmuE pmuE;
u8 ver, hdr, idx = 0 ;
u32 data;
memset(info, 0 x00, sizeof (*info));
while ((data = nvbios_pmuEp(bios, idx++, &ver, &hdr, &pmuE))) {
if (pmuE.type == type && (data = pmuE.data)) {
info->init_addr_pmu = nvbios_rd32(bios, data + 0 x08);
info->args_addr_pmu = nvbios_rd32(bios, data + 0 x0c);
info->boot_addr = data + 0 x30;
info->boot_addr_pmu = nvbios_rd32(bios, data + 0 x10) +
nvbios_rd32(bios, data + 0 x18);
info->boot_size = nvbios_rd32(bios, data + 0 x1c) -
nvbios_rd32(bios, data + 0 x18);
info->code_addr = info->boot_addr + info->boot_size;
info->code_addr_pmu = info->boot_addr_pmu +
info->boot_size;
info->code_size = nvbios_rd32(bios, data + 0 x20);
info->data_addr = data + 0 x30 +
nvbios_rd32(bios, data + 0 x24);
info->data_addr_pmu = nvbios_rd32(bios, data + 0 x28);
info->data_size = nvbios_rd32(bios, data + 0 x2c);
return true ;
}
}
return false ;
}
Messung V0.5 in Prozent C=99 H=93 G=95
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-06)
¤
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