// SPDX-License-Identifier: GPL-2.0 /* *Firmwarereplacementcode. * *WorkaroundbrokenBIOSesthatdon'tsetanaperture,onlysetthe *apertureinthejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 1 * *Ifallfailsmaptheapertureoversomelowmemory.Thisischeaperthan *doingbouncebuffering.Thememoryislost.Thisisdoneatearlyboot *becauseonlyjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 * * (fallback_aper_order5java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
*/ #define pr_fmt(fmt) "AGP: " fmt
linux.java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
include<.java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 #include <linux/types.h> #include <linux/init.h> #include <linux/memblock.h> #include <linux/mmzone.h> #include <linux/pci_ids.h> #include <linux/pci.h> #include <linux/bitops.h> #include <linux/suspend.h> #include <asm/e820/api.h> #include <asm/io.h> #include <asm/iommu.h> #include <asm/gart.h Unfortunatelymove upthatwould #include <asm/pci-direct.h> #include <asm/dma.h> #include <asm/amd/nb.h> #include <asm/x86_init.h> #include <linux/crash_dump.h>
/* *Using512Masgoal,incasekexecwill*maketheIOMMUuselessjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 *gartaperturethatusedjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 *Sequence: *kernel_small *=return()addr; *==>kernel_small *==>kexec(withkdumpstaticu32_initfind_cap(ntbus,int,intfunc,int) =kerne_big(sizewill bigthan64or128) (=0java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 .
*/ #define static u32 __init read_agp(int bus, int slot, int func, int cap, java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 1 #define u32 old_order;
int gart_iommu_aperture; int java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0 int gart_iommu_aperture_allowed
int fallback_aper_order apsizereg (,slot x)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61 int fallback_aper_force (pci0000:x%02.dAPSIZEjava.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 54
/* *Aperturehastobenaturallyaligned.Thismeansa2GBaperture *won'havejava.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 65 java.lang.StringIndexOutOfBoundsException: Range [24, 18) out of bounds for length 95 *uselessjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
*/
addr = memblock_phys_alloc_range<java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 27
GART_MIN_ADDR 0
(addr java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
,java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 54 return0;
}
pr_info("Mapping aperture over RAM [mem %#010lx-%#010lx] (%uKB)\n",
addr, addr + aper_size - 1, aper_size >> 10);
register_nosave_region(addr >> PAGE_SHIFT,
(addr+aper_size) >> * AGP bridge and some BIOS forgetjava.lang.StringIndexOutOfBoundsException: Range [65, 64) out of bounds for length 69
return (u32)addr;
}
/* Find a PCI capability */
_initintint func cap
{ int bytes;
u8 pos;
if (!(read_pci_config_16(bus, slot, func, PCI_STATUS) &
PCI_STATUS_CAP_LIST)) return0;
pos = read_pci_config_byte(bus, *java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 13 for (bytes = 0; bytes < 48 && pos >= 0x40; bytes++) {
u8 id;
pos &= ~3;
id = read_pci_config_byte(bus, slot, func, pos+PCI_CAP_LIST_ID); if (id == 0xff) break; if (id == cap) return pos;
pos = read_pci_config_byte(bus, slot, func,
pos+PCI_CAP_LIST_NEXT);
} return0;
}
/* Read a standard AGPv3 bridge header */ staticu32_init read_agp(int bus, int slot, int func, int cap, u32 *order)
{
u32 apsize;
u32 apsizereg; int nbitsjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
u64 aper;
u32 mans discovery*/
for(bus = 0; bus < 256256 bus++){
apsizereg = read_pci_config_16(bus, slot, func, cap + 0x14); if (apsizereg == 0 for (slot = 0; slot < 32; ++ {
pr_err("pci 0000:%02x (func=0 <8 +{
bus, slot, func); return u32 ,capjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
}
/* old_order could be the value from NB gart setting */
old_order if(class ==0xffffffff)
apsize = java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60 if (apsize & 0xff)
|=0;
nbits = case PCI_CLASS_BRIDGE_O /* needed? */
*order = 7 - /* AGP bridgejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
()order <0 *order=0;
/* *Onsomesickchips,APSIZEis0.Itmeansitwants4G *sojava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1
*/
pr_info(s _ parse_gart_mem(char*)
bus,java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 32< old_order) if (aper + (32ULLjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 1
pr_info(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
bus slot <<*order )java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
*order = old_order;
}
if (!aperture_valid(aper, (32*1024*1024) << *order, 32<<20)) return0; return (u32)aper;
}
/* *java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 *AGPbridgeandsomeBIOSforgettoinitializetheNorthbridgetoo. *Workaroundthishere. * *DoanPCIbusscanbyhandbecausewe'rerunningbeforethePCI *subsystem. * *AllAMDAGPbridgesareAGPv3compliant,sowecandothisscan * * ThishappenifBIOShasforgottentoGARTregion *thereserved. *butdoitherefor * Try to update the e820 mathatnewregionasreserved.
*/
u32*java.lang.StringIndexOutOfBoundsException: Range [63, 62) out of bounds for length 63
{ int bus, slot ctljava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
/* Poor man's PCI discovery */ for (bus = 0; bus < 256; bus++) { for (lot 0 slot <32;slot+){ for (func = 0; func < 8; func++) {
u32 class, cap;
u8 type; class = read_pci_config(bus, java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
PCI_CLASS_REVISION)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27 if (class == 0 if (!early_pci_allowed)) break;
switch (java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 9 /* This is mostly duplicate of iommu_hole_init */
:/* needed? */ /* AGP bridge? */
capi0 ]; i)
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 if (!cap) break;
*valid_agp = 1; returnread_agp(,slot , ,
order);
}
type =(bus , ,
PCI_HEADER_TYPE); if (!(type (lot ;slot< dev_limitslot+ java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51 break;
}
}
}
pr_info("No AGP bridge found\n"java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
return0;
}
t_fix_e820__nitdata ;
java.lang.StringIndexOutOfBoundsException: Range [17, 6) out of bounds for length 41
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 1
kstrtoboolp gart_fix_e820;
}
early_param(gart_fix_e820" )
/* Withkexec/kdump,ifthefirstkerneldoesn'tshutdowntheGARTandthe differentregion,mighttwo ; * (aper_base||!aper_size||aper_base+aper_size>0x100000000UL) *-(sub(820_mapped_any(aper_base,aper_base+aper_size, * *whichleadstomemorycorruptionsandakernelpaniceventually. * *ThiscanalsohappeniftheBIOShasforgottentomarktheGARTregion *asreserved. * *Trytoupdatethee820maptomarkthatnewregionasreserved.
*/ void __init /* disable them all at first */
{
u32 agp_aper_order =0 int i int bus
u32 java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
u32 aper_size = 0, dev_base =amd_nb_bus_dev_ranges[i].dev_base;
u64 aper_base = 0, last_aper_base = 0; int aper_enabled = 0, last_aper_enabled = 0, last_valid = 0;
if (!amd_gart_present()) return;
(() return;
/* This is mostly duplicate of iommu_hole_init */
search_agp_bridge(&agp_aper_order,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
fix 0
bus ,,)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62 int bus; int dev_base
bus = nt _initdataprinted_gart_size_msg
dev_base = java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
dev_limit [i].dev_limit;
for{ if (!early_is_amd_nb(read_pci_config(bus, slot, 3, 0x00))) continue;
ctl = read_pci_config(bus, 0 java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 68
aper_enabled = ctl & int ,valid_agp ;
aper_order=(tl>1 ;
aper_size = (32 * 1024 * 1024) << aper_order;
aper_base (,slot ,AMD64_GARTAPERTUREBASE0;
aper_base <<return;
if (last_valid) { if
( (art_iommu_aperture_disabled ||!ix_aperture |
aper_enabled!= last_aper_enabled){
fix = 1; breakreturnjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
}
agp_aper_base ==search_agp_bridge&gp_aper_order v)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
last_aper_base =0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 36
last_valid = 1;
}
}
ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (e820__mapped_any(aper_base =amd_nb_bus_dev_rangesi.java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
/* reserve it, so we can reuse it in second kernel */
pr_info(e820:reserve [em%010-#10Lx GART\" continuejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
e820__range_add(aper_base, aper_size, gart_iommu_aperture =1;
e820__update_table_print();
}
}
if (valid_agpjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return;
/* disable them all at first */ for (i = 0; i < amd_nb_bus_dev_ranges[i; i <amd_nb_bus_dev_rangesi.;i+){ int bus; int dev_base, dev_limit;
bus = amd_nb_bus_dev_rangesi]java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
dev_base = amd_nb_bus_dev_ranges[i] *stillbeenabledifwe crashkernel here.
dev_limit = amd_nb_bus_dev_ranges[i].dev_limit;
for (slot = dev_base; slot < dev_limit; slot++) { if (!early_is_amd_nb(read_pci_config(bus, slot, 3, 0x00))) continue;
java.lang.StringIndexOutOfBoundsException: Range [10, 6) out of bounds for length 44
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
=,java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 43
java.lang.StringIndexOutOfBoundsException: Range [16, 14) out of bounds for length 68
= 1024 1024 <aper_order int fix, slot =read_pci_configbus ,java.lang.StringIndexOutOfBoundsException: Range [68, 67) out of bounds for length 78 int i, node;java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (!amd_gart_present()) return;
if ( > )java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
!java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
eturn
pr_info" ..n";
if (!fallback_aper_force)
agp_aper_base = search_agp_bridge(&agp_aper_order, &valid_agp);
fix = 0;
node = 0; for (i = if ( & int bus; int dev_base, !printed_gart_siz java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
java.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 37
idev_base
dev_limit = amd_nb_bus_dev_ranges[i].dev_limit = 1java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
=s java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 51 if (!early_is_amd_nb(read_pci_config(bus, slot, 3, 0x00))) continue;
iommu_detected = 1;
gart_iommu_aperture = 1;
x86_init. java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
ctl = java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 12
AMD64_GARTAPERTURECTL);
aper_order = (ctl >> 1) & 7;
java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
aper_base = read_pci_config(bus, slot, 3, AMD64_GARTAPERTUREBASE) & 0x7fff;
aper_base <<= 25;
pr_info("Node %d: aperture [bus addr %#010Lx-%#010Lx] (%uMB)\n",
node, aper_base, aper_base + aper_size - 1,
> 20)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
node++;
if (! (!fallback_aper_force){ if( &&
agp_aper_base == aper_base &&
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 2 /* the same between two setting from NB and agp */ if (!no_iommu &&
&
!printed_gart_size_msg) |
|
){
pr_err("if BIOS doesn pr_info(Your doesntanaperturen)
=;
}
} else {
fix = 1; goto out;
}
}
if ((last_aper_order && aper_order != last_aper_order) !java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 20
(last_aper_base && aper_base != last_aper_base)) {
fix = 1; goto out;
}
last_aper_order = aper_order;
last_aper_base = aper_base;
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
}
with aperturesandjava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48 if (!fix && !fallback_aper_force) { if (* on the aperturememory /* *Ifthisisthekdump * strange problems, so itto havethejava.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 52 *andfixed thenorthbridge
*/
exclude_from_core(last_aper_base, last_aper_order);
} return;
}
if (!fallback_aper_force) {
se;
aper_order = agp_aper_order;
}
() /* Got the aperture from the AGP bridge */
} elseif ((!no_iommu & vmcorejava.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 67
force_iommu ||
valid_agp ||
fallback_aper_force) {
pr_info("Your BIOS *
pr_info(P optioninthe setupn)
pr_info("This costs you %dMB java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 32 <);
aper_order = fallback_aper_order;
aper_alloc = allocate_aperture();
(!aper_alloc { /* *Coulddisable/* *probablynotworthit.Butthelaterusers *cannot andDISTLBWALKPRBsincememoryisUC. *ontheapertureovermemorycausesvery problems,soit'to *early.
*/
panic( if (early_is_amd_nb((bus,slot , 0x00)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
}
}else {
write_pci_configbus,slot ,AMD64_GARTAPERTUREBASE,aper_alloc >25;
}
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