shithub: riscv

--- a/sys/man/8/plan9.ini

+++ b/sys/man/8/plan9.ini

@@ -632,16 +632,18 @@

 to use when mounting a network-provided root file system.

 They are used only if the addresses cannot be determined via DHCP.

 .SS PROCESSOR

-.SS \fLe820=\fIstart end ...\fP

+.SS \fL*e820=\fItype \fB0x\fIstart \fB0x\fIend ...\fP

 This variable is automatically generated by the boot loader (see

 .IR 9boot (8))

 by doing a BIOS E820 memory scan while still in realmode and

 passed to the kernel. The format is a unordered list of

-hexadecimal 64-bit

+decimal region

+.I type

+and hexadecimal 64-bit

 .I start

and

 .I end

-addresses of the usable memory areas.

+addresses of the area.

 .SS \fL*maxmem=\fIvalue\fP

 This defines the maximum physical address that the system will scan when sizing memory.

 By default the PC operating system will scan up to 3.75 gigabytes

@@ -689,6 +691,8 @@

 restricts the kernel to starting at most

 .I value

 processors.

+.SS \fL*apicdebug=\fP

+Prints a summary of the multiprocessor APIC interrupt configuration.

 .SS \fL*msi=\fP

 Enables message signaled interrupts on devices that support it (see

 .IR icanhasmsi (8)).

@@ -710,6 +714,8 @@

 .SS \fL*nopcirouting=\fP

 Disable pci routing during boot.  May solve interrupt routing

 problems on certain machines.

+.SS \fL*pcihinv=\fP

+Prints a summary of the detected PCI busses and devices.

 .SS \fL*nodumpstack=\fP

 Disable printing a stack dump on panic.

 Useful if there is only a limited cga screen available,

@@ -730,6 +736,17 @@

.EX

     umbexclude=0xD1800-0xD3FFF

.EE

+.SS \fL*acpi=\fIvalue\fP

+The presence of this option enables ACPI and the export of the

+.B #P/acpitbls

+file in

+.IR arch (3)

+device. In multiprocessor mode, the kernel will use the ACPI

+tables to configure APIC interrupts unless a

+.I value

+of

+.B 0

+is specified.

 .SS \fLapm0=\fP

 This enables the ``advanced power management'' interface

 as described in