From 503af721a1f2c831fb360d1c1b2af38e0866fc35 Mon Sep 17 00:00:00 2001 From: Patrick Georgi Date: Thu, 22 Nov 2012 10:48:18 +0100 Subject: x86 realmode: Adapt to x86emu/YABEL style return codes realmode int handlers must return the same codes as the YABEL int handlers now: 1 for "interrupt handled", 0 for "not handled" (ie. error). Change-Id: Idc01cf64e2c97150fc4643671a0bc4cca2ae6668 Signed-off-by: Patrick Georgi Reviewed-on: http://review.coreboot.org/1890 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/northbridge/via/cn400/vga.c | 8 ++++---- src/northbridge/via/cn700/vga.c | 8 ++++---- src/northbridge/via/cx700/vga.c | 14 +++++++------- src/northbridge/via/vt8623/vga.c | 8 ++++---- src/northbridge/via/vx800/vga.c | 14 +++++++------- 5 files changed, 26 insertions(+), 26 deletions(-) (limited to 'src/northbridge') diff --git a/src/northbridge/via/cn400/vga.c b/src/northbridge/via/cn400/vga.c index 8c75a4fa30..fa598aa8fa 100644 --- a/src/northbridge/via/cn400/vga.c +++ b/src/northbridge/via/cn400/vga.c @@ -39,7 +39,7 @@ static int via_cn400_int15_handler(struct eregs *regs) { - int res=-1; + int res=0; printk(BIOS_DEBUG, "via_cn400_int15_handler\n"); switch(regs->eax & 0xffff) { case 0x5f19: @@ -48,7 +48,7 @@ static int via_cn400_int15_handler(struct eregs *regs) regs->eax=0x5f; regs->ebx=0x545; // MCLK = 133, 32M frame buffer, 256 M main memory regs->ecx=0x060; - res=0; + res=1; break; case 0x5f00: regs->eax = 0x8600; @@ -56,14 +56,14 @@ static int via_cn400_int15_handler(struct eregs *regs) case 0x5f01: regs->eax = 0x5f; regs->ecx = (regs->ecx & 0xffffff00 ) | 2; // panel type = 2 = 1024 * 768 - res = 0; + res = 1; break; case 0x5f02: regs->eax=0x5f; regs->ebx= (regs->ebx & 0xffff0000) | 2; regs->ecx= (regs->ecx & 0xffff0000) | 0x401; // PAL + crt only regs->edx= (regs->edx & 0xffff0000) | 0; // TV Layout - default - res=0; + res=1; break; case 0x5f0f: regs->eax=0x860f; diff --git a/src/northbridge/via/cn700/vga.c b/src/northbridge/via/cn700/vga.c index d184644fd4..c23145976a 100644 --- a/src/northbridge/via/cn700/vga.c +++ b/src/northbridge/via/cn700/vga.c @@ -39,7 +39,7 @@ static int via_cn700_int15_handler(struct eregs *regs) { - int res=-1; + int res=0; printk(BIOS_DEBUG, "via_cn700_int15_handler\n"); switch(regs->eax & 0xffff) { case 0x5f19: @@ -48,7 +48,7 @@ static int via_cn700_int15_handler(struct eregs *regs) regs->eax=0x5f; regs->ebx=0x545; // MCLK = 133, 32M frame buffer, 256 M main memory regs->ecx=0x060; - res=0; + res=1; break; case 0x5f00: regs->eax = 0x8600; @@ -56,14 +56,14 @@ static int via_cn700_int15_handler(struct eregs *regs) case 0x5f01: regs->eax = 0x5f; regs->ecx = (regs->ecx & 0xffffff00 ) | 2; // panel type = 2 = 1024 * 768 - res = 0; + res = 1; break; case 0x5f02: regs->eax=0x5f; regs->ebx= (regs->ebx & 0xffff0000) | 2; regs->ecx= (regs->ecx & 0xffff0000) | 0x401; // PAL + crt only regs->edx= (regs->edx & 0xffff0000) | 0; // TV Layout - default - res=0; + res=1; break; case 0x5f0f: regs->eax=0x860f; diff --git a/src/northbridge/via/cx700/vga.c b/src/northbridge/via/cx700/vga.c index 4acad7e852..658535d6aa 100644 --- a/src/northbridge/via/cx700/vga.c +++ b/src/northbridge/via/cx700/vga.c @@ -46,7 +46,7 @@ static int via_cx700_int15_handler(struct eregs *regs) { - int res=-1; + int res=0; u8 mem_speed; #define MEMORY_SPEED_66MHZ (0 << 4) @@ -70,14 +70,14 @@ static int via_cx700_int15_handler(struct eregs *regs) switch(regs->eax & 0xffff) { case 0x5f00: /* VGA POST Initialization Signal */ regs->eax = (regs->eax & 0xffff0000 ) | 0x5f; - res = 0; + res = 1; break; case 0x5f01: /* Software Panel Type Configuration */ regs->eax = (regs->eax & 0xffff0000 ) | 0x5f; // panel type = 2 = 1024 * 768 regs->ecx = (regs->ecx & 0xffffff00 ) | 2; - res = 0; + res = 1; break; case 0x5f27: /* Boot Device Selection */ @@ -87,7 +87,7 @@ static int via_cx700_int15_handler(struct eregs *regs) regs->ecx = 0x00000000; // 0 -> default // TV Layout - default regs->edx = (regs->edx & 0xffffff00) | 0; - res=0; + res=1; break; case 0x5f0b: /* Get Expansion Setting */ @@ -95,12 +95,12 @@ static int via_cx700_int15_handler(struct eregs *regs) regs->ecx = regs->ecx & 0xffffff00; // non-expansion // regs->ecx = regs->ecx & 0xffffff00 | 1; // expansion - res=0; + res=1; break; case 0x5f0f: /* VGA Post Completion */ regs->eax = (regs->eax & 0xffff0000 ) | 0x5f; - res=0; + res=1; break; case 0x5f18: @@ -117,7 +117,7 @@ static int via_cx700_int15_handler(struct eregs *regs) regs->ebx |= memory_mapping[mem_speed]; - res=0; + res=1; break; default: diff --git a/src/northbridge/via/vt8623/vga.c b/src/northbridge/via/vt8623/vga.c index fea691ebc2..8e9bd6de34 100644 --- a/src/northbridge/via/vt8623/vga.c +++ b/src/northbridge/via/vt8623/vga.c @@ -36,7 +36,7 @@ static int via_vt8623_int15_handler(struct eregs *regs) { - int res=-1; + int res=0; printk(BIOS_DEBUG, "via_vt8623_int15_handler\n"); switch(regs->eax & 0xffff) { case 0x5f19: @@ -45,7 +45,7 @@ static int via_vt8623_int15_handler(struct eregs *regs) regs->eax=0x5f; regs->ebx=0x545; // MCLK = 133, 32M frame buffer, 256 M main memory regs->ecx=0x060; - res=0; + res=1; break; case 0x5f00: regs->eax = 0x8600; @@ -53,14 +53,14 @@ static int via_vt8623_int15_handler(struct eregs *regs) case 0x5f01: regs->eax = 0x5f; regs->ecx = (regs->ecx & 0xffffff00 ) | 2; // panel type = 2 = 1024 * 768 - res = 0; + res = 1; break; case 0x5f02: regs->eax=0x5f; regs->ebx= (regs->ebx & 0xffff0000) | 2; regs->ecx= (regs->ecx & 0xffff0000) | 0x401; // PAL + crt only regs->edx= (regs->edx & 0xffff0000) | 0; // TV Layout - default - res=0; + res=1; break; case 0x5f0f: regs->eax=0x860f; diff --git a/src/northbridge/via/vx800/vga.c b/src/northbridge/via/vx800/vga.c index d91ad9fea3..be522f884c 100644 --- a/src/northbridge/via/vx800/vga.c +++ b/src/northbridge/via/vx800/vga.c @@ -52,13 +52,13 @@ static int via_vx800_int15_handler(struct eregs *regs) { - int res=-1; + int res=0; printk(BIOS_DEBUG, "via_vx800_int15_handler\n"); switch(regs->eax & 0xffff) { case 0x5f19: regs->eax=0x5f; regs->ecx=0x03; - res=0; + res=1; break; case 0x5f18: { @@ -95,28 +95,28 @@ static int via_vx800_int15_handler(struct eregs *regs) i = i << 4; regs->ebx = regs->ebx + ((u32) i); regs->eax = 0x5f; - res = 0; + res = 1; break; } case 0x5f00: regs->eax = 0x005f; - res = 0; + res = 1; break; case 0x5f01: regs->eax = 0x5f; regs->ecx = (regs->ecx & 0xffffff00 ) | 2; // panel type = 2 = 1024 * 768 - res = 0; + res = 1; break; case 0x5f02: regs->eax=0x5f; regs->ebx= (regs->ebx & 0xffff0000) | 2; regs->ecx= (regs->ecx & 0xffff0000) | 0x401; // PAL + crt only regs->edx= (regs->edx & 0xffff0000) | 0; // TV Layout - default - res=0; + res=1; break; case 0x5f0f: regs->eax = 0x005f; - res = 0; + res = 1; break; default: printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", -- cgit v1.2.3