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target-arm queue:

Browse source 
* gdbstub: Correct misparsing of vCont C/S requests
  * openrisc: Move pic_cpu code into CPU object proper
  * nios2: Move IIC code into CPU object proper
  * Improve reporting of ROM overlap errors
  * xlnx-versal: Add USB support
  * hw/misc/zynq_slcr: Avoid #DIV/0! error
  * Numonyx: Fix dummy cycles and check for SPI mode on cmds
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20201215' into staging

target-arm queue:
 * gdbstub: Correct misparsing of vCont C/S requests
 * openrisc: Move pic_cpu code into CPU object proper
 * nios2: Move IIC code into CPU object proper
 * Improve reporting of ROM overlap errors
 * xlnx-versal: Add USB support
 * hw/misc/zynq_slcr: Avoid #DIV/0! error
 * Numonyx: Fix dummy cycles and check for SPI mode on cmds

# gpg: Signature made Tue 15 Dec 2020 13:59:46 GMT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20201215:
  hw/block/m25p80: Fix Numonyx fast read dummy cycle count
  hw/block/m25p80: Check SPI mode before running some Numonyx commands
  hw/block/m25p80: Fix when VCFG XIP bit is set for Numonyx
  hw/block/m25p80: Make Numonyx config field names more accurate
  hw/misc/zynq_slcr: Avoid #DIV/0! error
  arm: xlnx-versal: Connect usb to virt-versal
  usb: xlnx-usb-subsystem: Add xilinx usb subsystem
  usb: Add DWC3 model
  usb: Add versal-usb2-ctrl-regs module
  elf_ops.h: Be more verbose with ROM blob names
  elf_ops.h: Don't truncate name of the ROM blobs we create
  hw/core/loader.c: Improve reporting of ROM overlap errors
  hw/core/loader.c: Track last-seen ROM in rom_check_and_register_reset()
  target/nios2: Use deposit32() to update ipending register
  target/nios2: Move nios2_check_interrupts() into target/nios2
  target/nios2: Move IIC code into CPU object proper
  target/openrisc: Move pic_cpu code into CPU object proper
  hw/openrisc/openrisc_sim: Abstract out "get IRQ x of CPU y"
  hw/openrisc/openrisc_sim: Use IRQ splitter when connecting IRQ to multiple CPUs
  gdbstub: Correct misparsing of vCont C/S requests

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2020-12-15 16:58:27 +00:00
commit 657ee88ef3
32 changed files with 1557 additions and 304 deletions
Download patch file Download diff file Expand all files Collapse all files

67
hw/core/loader.c
View file

@ -1166,34 +1166,77 @@ static void rom_reset(void *unused)
}
}
/* Return true if two consecutive ROMs in the ROM list overlap */
static bool roms_overlap(Rom *last_rom, Rom *this_rom)
{
if (!last_rom) {
return false;
}
return last_rom->as == this_rom->as &&
last_rom->addr + last_rom->romsize > this_rom->addr;
}
static const char *rom_as_name(Rom *rom)
{
const char *name = rom->as ? rom->as->name : NULL;
return name ?: "anonymous";
}
static void rom_print_overlap_error_header(void)
{
error_report("Some ROM regions are overlapping");
error_printf(
"These ROM regions might have been loaded by "
"direct user request or by default.\n"
"They could be BIOS/firmware images, a guest kernel, "
"initrd or some other file loaded into guest memory.\n"
"Check whether you intended to load all this guest code, and "
"whether it has been built to load to the correct addresses.\n");
}
static void rom_print_one_overlap_error(Rom *last_rom, Rom *rom)
{
error_printf(
"\nThe following two regions overlap (in the %s address space):\n",
rom_as_name(rom));
error_printf(
" %s (addresses 0x" TARGET_FMT_plx " - 0x" TARGET_FMT_plx ")\n",
last_rom->name, last_rom->addr, last_rom->addr + last_rom->romsize);
error_printf(
" %s (addresses 0x" TARGET_FMT_plx " - 0x" TARGET_FMT_plx ")\n",
rom->name, rom->addr, rom->addr + rom->romsize);
}
int rom_check_and_register_reset(void)
{
hwaddr addr = 0;
MemoryRegionSection section;
Rom *rom;
AddressSpace *as = NULL;
Rom *rom, *last_rom = NULL;
bool found_overlap = false;
QTAILQ_FOREACH(rom, &roms, next) {
if (rom->fw_file) {
continue;
}
if (!rom->mr) {
if ((addr > rom->addr) && (as == rom->as)) {
fprintf(stderr, "rom: requested regions overlap "
"(rom %s. free=0x" TARGET_FMT_plx
", addr=0x" TARGET_FMT_plx ")\n",
rom->name, addr, rom->addr);
return -1;
if (roms_overlap(last_rom, rom)) {
if (!found_overlap) {
found_overlap = true;
rom_print_overlap_error_header();
}
rom_print_one_overlap_error(last_rom, rom);
/* Keep going through the list so we report all overlaps */
}
addr = rom->addr;
addr += rom->romsize;
as = rom->as;
last_rom = rom;
}
section = memory_region_find(rom->mr ? rom->mr : get_system_memory(),
rom->addr, 1);
rom->isrom = int128_nz(section.size) && memory_region_is_rom(section.mr);
memory_region_unref(section.mr);
}
if (found_overlap) {
return -1;
}
qemu_register_reset(rom_reset, NULL);
roms_loaded = 1;
return 0;