diff options
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.28/021-mips_simple_prom_emulator.patch')
-rw-r--r-- | target/linux/generic-2.6/patches-2.6.28/021-mips_simple_prom_emulator.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.28/021-mips_simple_prom_emulator.patch b/target/linux/generic-2.6/patches-2.6.28/021-mips_simple_prom_emulator.patch new file mode 100644 index 000000000..f473b6550 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.28/021-mips_simple_prom_emulator.patch @@ -0,0 +1,50 @@ +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -765,6 +765,9 @@ config SYNC_R4K + + config MIPS_MACHINE + def_bool n ++ ++config PROM_EMU ++ def_bool n + + config NO_IOPORT + def_bool n +--- a/arch/mips/kernel/head.S ++++ b/arch/mips/kernel/head.S +@@ -143,6 +143,15 @@ FEXPORT(__kernel_entry) + j kernel_entry + #endif + ++#ifdef CONFIG_PROM_EMU ++EXPORT(prom_emu_argv) ++ .word 0 ++ .word prom_emu_cmdline ++ .ascii "CMDLINE:" ++EXPORT(prom_emu_cmdline) ++ .fill 0x400 ++#endif ++ + __REF + + NESTED(kernel_entry, 16, sp) # kernel entry point +@@ -183,6 +192,19 @@ NESTED(kernel_entry, 16, sp) # kernel + LONG_S zero, (t0) + bne t0, t1, 1b + ++#ifdef CONFIG_PROM_EMU ++ PTR_LA t0, prom_emu_cmdline ++ LONG_L t1, 0(t0) ++ beqz t1, 1f ++ ++ li a0, 2 ++ PTR_LA a1, prom_emu_argv ++ move a2, zero ++ move a3, zero ++ ++1: ++#endif /* CONFIG_PROM_EMU */ ++ + LONG_S a0, fw_arg0 # firmware arguments + LONG_S a1, fw_arg1 + LONG_S a2, fw_arg2 |