diff --git a/share/man/man9/bios.9 b/share/man/man9/bios.9 index 258db7007339..b3a2ab64cab1 100644 --- a/share/man/man9/bios.9 +++ b/share/man/man9/bios.9 @@ -56,8 +56,8 @@ the BIOS functions and data encountered on x86 PC-architecture systems. .Bl -tag -width 20n .It Fn bios_sigsearch Searches the BIOS address space for a service signature, usually an -uppercase ASCII sequence surrounded by underscores. The search begins -at +uppercase ASCII sequence surrounded by underscores. +The search begins at .Fa start , or at the beginning of the BIOS if .Fa start @@ -67,11 +67,14 @@ bytes of the BIOS image and .Fa sig are compared at .Fa sigofs -bytes offset from the current location. If no match is found, the +bytes offset from the current location. +If no match is found, the current location is incremented by .Fa paralen -bytes and the search repeated. If the signature is found, its effective -physical address is returned. If no signature is found, zero is returned. +bytes and the search repeated. +If the signature is found, its effective +physical address is returned. +If no signature is found, zero is returned. .It Fn BIOS_VADDRTOPADDR Returns the effective physical address which corresponds to the kernel virtual address @@ -94,7 +97,8 @@ parameter table during system startup. .Sh BIOS32 At system startup, the BIOS is scanned for the BIOS32 Service Directory (part of the PCI specification), and the existence of the directory is -recorded. This can then be used to locate other services. +recorded. +This can then be used to locate other services. .Bl -tag -width 20n .It Fn bios32_SDlookup Attempts to locate the BIOS32 service matching the 4-byte identifier @@ -104,8 +108,10 @@ field of the .Fa ent argument. .It Fn bios32 -Calls a bios32 function. This presumes that the function is capable of -working within the kernel segment (normally the case). The virtual address +Calls a bios32 function. +This presumes that the function is capable of +working within the kernel segment (normally the case). +The virtual address of the entrypoint is supplied in .Fa entry and the register arguments to the function are supplied in diff --git a/share/man/man9/boot.9 b/share/man/man9/boot.9 index 1dfefb0fbbcf..4318038845f1 100644 --- a/share/man/man9/boot.9 +++ b/share/man/man9/boot.9 @@ -50,8 +50,8 @@ The .Fn boot function handles final system shutdown, and either halts or reboots -the system. The exact action to be taken is determined by the -flags passed in +the system. +The exact action to be taken is determined by the flags passed in .Fa howto and by whether or not the system has finished autoconfiguration. .Pp