diff options
Diffstat (limited to 'qemu/roms/seabios/src/apm.c')
| -rw-r--r-- | qemu/roms/seabios/src/apm.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/qemu/roms/seabios/src/apm.c b/qemu/roms/seabios/src/apm.c deleted file mode 100644 index f7c2306c3..000000000 --- a/qemu/roms/seabios/src/apm.c +++ /dev/null @@ -1,215 +0,0 @@ -// Basic support for apmbios callbacks. -// -// Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net> -// Copyright (C) 2005 Struan Bartlett -// Copyright (C) 2004 Fabrice Bellard -// -// This file may be distributed under the terms of the GNU LGPLv3 license. - -#include "biosvar.h" // GET_GLOBAL -#include "bregs.h" // struct bregs -#include "config.h" // CONFIG_* -#include "output.h" // dprintf -#include "stacks.h" // yield_toirq -#include "util.h" // apm_shutdown -#include "x86.h" // outb - -// APM installation check -static void -handle_155300(struct bregs *regs) -{ - regs->ah = 1; // APM major version - regs->al = 2; // APM minor version - regs->bh = 'P'; - regs->bl = 'M'; - // bit 0 : 16 bit interface supported - // bit 1 : 32 bit interface supported - regs->cx = 0x03; - set_success(regs); -} - -// APM real mode interface connect -static void -handle_155301(struct bregs *regs) -{ - set_success(regs); -} - -// APM 16 bit protected mode interface connect -static void -handle_155302(struct bregs *regs) -{ - extern void entry_apm16(void); - regs->bx = (u32)entry_apm16; - regs->ax = SEG_BIOS; // 16 bit code segment base - regs->si = 0xfff0; // 16 bit code segment size - regs->cx = SEG_BIOS; // data segment address - regs->di = 0xfff0; // data segment length - set_success(regs); -} - -// APM 32 bit protected mode interface connect -static void -handle_155303(struct bregs *regs) -{ - extern void entry_apm32(void); - regs->ax = SEG_BIOS; // 32 bit code segment base - regs->ebx = (u32)entry_apm32; - regs->cx = SEG_BIOS; // 16 bit code segment base - // 32 bit code segment size (low 16 bits) - // 16 bit code segment size (high 16 bits) - regs->esi = 0xfff0fff0; - regs->dx = SEG_BIOS; // data segment address - regs->di = 0xfff0; // data segment length - set_success(regs); -} - -// APM interface disconnect -static void -handle_155304(struct bregs *regs) -{ - set_success(regs); -} - -// APM cpu idle -static void -handle_155305(struct bregs *regs) -{ - yield_toirq(); - set_success(regs); -} - -// APM cpu busy -static void -handle_155306(struct bregs *regs) -{ - set_success(regs); -} - -void -apm_shutdown(void) -{ - u16 pm1a_cnt = GET_GLOBAL(acpi_pm1a_cnt); - if (pm1a_cnt) - outw(0x2000, pm1a_cnt); - - irq_disable(); - for (;;) - hlt(); -} - -// APM Set Power State -static void -handle_155307(struct bregs *regs) -{ - if (regs->bx != 1) { - set_success(regs); - return; - } - switch (regs->cx) { - case 1: - dprintf(1, "APM standby request\n"); - break; - case 2: - dprintf(1, "APM suspend request\n"); - break; - case 3: - apm_shutdown(); - break; - } - set_success(regs); -} - -static void -handle_155308(struct bregs *regs) -{ - set_success(regs); -} - -// Get Power Status -static void -handle_15530a(struct bregs *regs) -{ - regs->bh = 0x01; // on line - regs->bl = 0xff; // unknown battery status - regs->ch = 0x80; // no system battery - regs->cl = 0xff; // unknown remaining time - regs->dx = 0xffff; // unknown remaining time - regs->si = 0x00; // zero battery - set_success(regs); -} - -#define RET_ENOEVENT 0x80 - -// Get PM Event -static void -handle_15530b(struct bregs *regs) -{ - set_code_invalid_silent(regs, RET_ENOEVENT); -} - -// APM Driver Version -static void -handle_15530e(struct bregs *regs) -{ - regs->ah = 1; - regs->al = 2; - set_success(regs); -} - -// APM Engage / Disengage -static void -handle_15530f(struct bregs *regs) -{ - set_success(regs); -} - -// APM Get Capabilities -static void -handle_155310(struct bregs *regs) -{ - regs->bl = 0; - regs->cx = 0; - set_success(regs); -} - -static void -handle_1553XX(struct bregs *regs) -{ - set_unimplemented(regs); -} - -void -handle_1553(struct bregs *regs) -{ - if (! CONFIG_APMBIOS) { - set_code_invalid(regs, RET_EUNSUPPORTED); - return; - } - - //debug_stub(regs); - switch (regs->al) { - case 0x00: handle_155300(regs); break; - case 0x01: handle_155301(regs); break; - case 0x02: handle_155302(regs); break; - case 0x03: handle_155303(regs); break; - case 0x04: handle_155304(regs); break; - case 0x05: handle_155305(regs); break; - case 0x06: handle_155306(regs); break; - case 0x07: handle_155307(regs); break; - case 0x08: handle_155308(regs); break; - case 0x0a: handle_15530a(regs); break; - case 0x0b: handle_15530b(regs); break; - case 0x0e: handle_15530e(regs); break; - case 0x0f: handle_15530f(regs); break; - case 0x10: handle_155310(regs); break; - default: handle_1553XX(regs); break; - } -} - -void VISIBLE16 VISIBLE32SEG -handle_apm(struct bregs *regs) -{ - debug_enter(regs, DEBUG_HDL_apm); - handle_1553(regs); -} |