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| author | Kevin O'Connor <kevin@koconnor.net> | 2008-12-29 20:42:40 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2008-12-29 20:42:40 -0500 |
| commit | 92f95b0fecca029a0c4dd81203e6b42f60c4a382 (patch) | |
| tree | 63a9bb2ff504decebbfd73d3a41d22d7c7aaf4be /src/pnpbios.c | |
| parent | c659fdedadce1566308675d0c44537ade0eb12a2 (diff) | |
| download | seabios-92f95b0fecca029a0c4dd81203e6b42f60c4a382.tar.gz | |
Add more linker protections around variables accessed from 16bit mode.
Rename VAR16 to VAR16_32 -- that macro supports accesses from both
16bit and 32bit mode.
Introduce a new macro VAR16 that must be present on all global
variables accessed from 16bit mode.
Diffstat (limited to 'src/pnpbios.c')
| -rw-r--r-- | src/pnpbios.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/pnpbios.c b/src/pnpbios.c index 21d140a7..8bf71dcb 100644 --- a/src/pnpbios.c +++ b/src/pnpbios.c @@ -28,7 +28,7 @@ extern struct pnpheader PNPHEADER; extern const char pnp_string[]; #if CONFIG_PNPBIOS -struct pnpheader PNPHEADER __aligned(16) VAR16 = { +struct pnpheader PNPHEADER __aligned(16) VAR16_32 = { .signature = PNP_SIGNATURE, .version = 0x10, .length = sizeof(PNPHEADER), @@ -41,7 +41,7 @@ struct pnpheader PNPHEADER __aligned(16) VAR16 = { // We need a copy of this string in the 0xf000 segment, but we are not // actually a PnP BIOS, so make sure it is *not* aligned, so OSes will // not see it if they scan. -const char pnp_string[] __aligned(2) VAR16 = " $PnP"; +const char pnp_string[] __aligned(2) VAR16_32 = " $PnP"; #endif #define FUNCTION_NOT_SUPPORTED 0x82 |